diff --git a/server/jest.config.ts b/server/jest.config.ts
index babc368094..fd6760a66f 100644
--- a/server/jest.config.ts
+++ b/server/jest.config.ts
@@ -2,7 +2,7 @@ module.exports = {
   clearMocks: true,
   preset: 'ts-jest',
   testEnvironment: 'node',
-  setupFilesAfterEnv: ['<rootDir>/src/prisma-mock/jest-prisma-singleton.ts'],
+  setupFilesAfterEnv: ['<rootDir>/src/database/client-mock/jest-prisma-singleton.ts'],
 
   moduleFileExtensions: ['js', 'json', 'ts'],
   moduleNameMapper: {
diff --git a/server/package.json b/server/package.json
index 53998e8009..b5679d1b85 100644
--- a/server/package.json
+++ b/server/package.json
@@ -27,6 +27,8 @@
   },
   "dependencies": {
     "@apollo/server": "^4.7.3",
+    "@casl/ability": "^6.5.0",
+    "@casl/prisma": "^1.4.0",
     "@nestjs/apollo": "^11.0.5",
     "@nestjs/common": "^9.0.0",
     "@nestjs/config": "^2.3.2",
diff --git a/server/src/ability/ability.action.ts b/server/src/ability/ability.action.ts
new file mode 100644
index 0000000000..da035d7bf6
--- /dev/null
+++ b/server/src/ability/ability.action.ts
@@ -0,0 +1,7 @@
+export enum AbilityAction {
+  Manage = 'manage',
+  Create = 'create',
+  Read = 'read',
+  Update = 'update',
+  Delete = 'delete',
+}
diff --git a/server/src/ability/ability.factory.ts b/server/src/ability/ability.factory.ts
new file mode 100644
index 0000000000..aaac870d15
--- /dev/null
+++ b/server/src/ability/ability.factory.ts
@@ -0,0 +1,98 @@
+import { PureAbility, AbilityBuilder, subject } from '@casl/ability';
+import { createPrismaAbility, PrismaQuery, Subjects } from '@casl/prisma';
+import { Injectable } from '@nestjs/common';
+import {
+  CommentThread,
+  Company,
+  Comment,
+  Person,
+  RefreshToken,
+  User,
+  Workspace,
+  WorkspaceMember,
+  CommentThreadTarget,
+  Pipeline,
+  PipelineStage,
+  PipelineProgress,
+} from '@prisma/client';
+import { AbilityAction } from './ability.action';
+
+type SubjectsAbility = Subjects<{
+  User: User;
+  Workspace: Workspace;
+  WorkspaceMember: WorkspaceMember;
+  Company: Company;
+  Person: Person;
+  RefreshToken: RefreshToken;
+  CommentThread: CommentThread;
+  Comment: Comment;
+  CommentThreadTarget: CommentThreadTarget;
+  Pipeline: Pipeline;
+  PipelineStage: PipelineStage;
+  PipelineProgress: PipelineProgress;
+}>;
+
+export type AppAbility = PureAbility<
+  [string, SubjectsAbility | 'all'],
+  PrismaQuery
+>;
+
+@Injectable()
+export class AbilityFactory {
+  defineAbility(user: User, workspace: Workspace) {
+    const { can, cannot, build } = new AbilityBuilder<AppAbility>(
+      createPrismaAbility,
+    );
+
+    // User
+    can(AbilityAction.Update, 'User', { id: user.id });
+    cannot(AbilityAction.Delete, 'User');
+
+    // Workspace
+    can(AbilityAction.Read, 'Workspace', { id: workspace.id });
+
+    // Workspace Member
+    can(AbilityAction.Read, 'WorkspaceMember', { userId: user.id });
+
+    // Company
+    can(AbilityAction.Read, 'Company', { workspaceId: workspace.id });
+
+    // Person
+    can(AbilityAction.Read, 'Person', { workspaceId: workspace.id });
+
+    // RefreshToken
+    cannot(AbilityAction.Manage, 'RefreshToken');
+
+    // CommentThread
+    can(AbilityAction.Read, 'CommentThread', { workspaceId: workspace.id });
+
+    // Comment
+    can(AbilityAction.Read, 'Comment', { workspaceId: workspace.id });
+    can(AbilityAction.Update, 'Comment', {
+      workspaceId: workspace.id,
+      authorId: user.id,
+    });
+    can(AbilityAction.Delete, 'Comment', {
+      workspaceId: workspace.id,
+      authorId: user.id,
+    });
+
+    // CommentThreadTarget
+    can(AbilityAction.Read, 'CommentThreadTarget');
+
+    // Pipeline
+    can(AbilityAction.Read, 'Pipeline', { workspaceId: workspace.id });
+
+    // PipelineStage
+    can(AbilityAction.Read, 'PipelineStage', { workspaceId: workspace.id });
+    can(AbilityAction.Update, 'PipelineStage', { workspaceId: workspace.id });
+
+    // PipelineProgress
+    can(AbilityAction.Read, 'PipelineProgress', { workspaceId: workspace.id });
+    can(AbilityAction.Update, 'PipelineProgress', {
+      workspaceId: workspace.id,
+    });
+
+    return build();
+  }
+}
diff --git a/server/src/ability/ability.module.ts b/server/src/ability/ability.module.ts
new file mode 100644
index 0000000000..53841fd42e
--- /dev/null
+++ b/server/src/ability/ability.module.ts
@@ -0,0 +1,243 @@
+import { Global, Module } from '@nestjs/common';
+import { AbilityFactory } from 'src/ability/ability.factory';
+import { PrismaService } from 'src/database/prisma.service';
+import {
+  CreateUserAbilityHandler,
+  DeleteUserAbilityHandler,
+  ManageUserAbilityHandler,
+  ReadUserAbilityHandler,
+  UpdateUserAbilityHandler,
+} from './handlers/user.ability-handler';
+import {
+  CreateWorkspaceAbilityHandler,
+  DeleteWorkspaceAbilityHandler,
+  ManageWorkspaceAbilityHandler,
+  ReadWorkspaceAbilityHandler,
+  UpdateWorkspaceAbilityHandler,
+} from './handlers/workspace.ability-handler';
+import {
+  CreateWorkspaceMemberAbilityHandler,
+  DeleteWorkspaceMemberAbilityHandler,
+  ManageWorkspaceMemberAbilityHandler,
+  ReadWorkspaceMemberAbilityHandler,
+  UpdateWorkspaceMemberAbilityHandler,
+} from './handlers/workspace-member.ability-handler';
+import {
+  ManageCompanyAbilityHandler,
+  ReadCompanyAbilityHandler,
+  CreateCompanyAbilityHandler,
+  UpdateCompanyAbilityHandler,
+  DeleteCompanyAbilityHandler,
+} from './handlers/company.ability-handler';
+import {
+  CreatePersonAbilityHandler,
+  DeletePersonAbilityHandler,
+  ManagePersonAbilityHandler,
+  ReadPersonAbilityHandler,
+  UpdatePersonAbilityHandler,
+} from './handlers/person.ability-handler';
+import {
+  ManageRefreshTokenAbilityHandler,
+  ReadRefreshTokenAbilityHandler,
+  CreateRefreshTokenAbilityHandler,
+  UpdateRefreshTokenAbilityHandler,
+  DeleteRefreshTokenAbilityHandler,
+} from './handlers/refresh-token.ability-handler';
+import {
+  ManageCommentThreadAbilityHandler,
+  ReadCommentThreadAbilityHandler,
+  CreateCommentThreadAbilityHandler,
+  UpdateCommentThreadAbilityHandler,
+  DeleteCommentThreadAbilityHandler,
+} from './handlers/comment-thread.ability-handler';
+import {
+  ManageCommentAbilityHandler,
+  ReadCommentAbilityHandler,
+  CreateCommentAbilityHandler,
+  UpdateCommentAbilityHandler,
+  DeleteCommentAbilityHandler,
+} from './handlers/comment.ability-handler';
+import {
+  ManageCommentThreadTargetAbilityHandler,
+  ReadCommentThreadTargetAbilityHandler,
+  CreateCommentThreadTargetAbilityHandler,
+  UpdateCommentThreadTargetAbilityHandler,
+  DeleteCommentThreadTargetAbilityHandler,
+} from './handlers/comment-thread-target.ability-handler';
+import {
+  ManagePipelineAbilityHandler,
+  ReadPipelineAbilityHandler,
+  CreatePipelineAbilityHandler,
+  UpdatePipelineAbilityHandler,
+  DeletePipelineAbilityHandler,
+} from './handlers/pipeline.ability-handler';
+import {
+  ManagePipelineStageAbilityHandler,
+  ReadPipelineStageAbilityHandler,
+  CreatePipelineStageAbilityHandler,
+  UpdatePipelineStageAbilityHandler,
+  DeletePipelineStageAbilityHandler,
+} from './handlers/pipeline-stage.ability-handler';
+import {
+  ManagePipelineProgressAbilityHandler,
+  ReadPipelineProgressAbilityHandler,
+  CreatePipelineProgressAbilityHandler,
+  UpdatePipelineProgressAbilityHandler,
+  DeletePipelineProgressAbilityHandler,
+} from './handlers/pipeline-progress.ability-handler';
+
+@Global()
+@Module({
+  providers: [
+    AbilityFactory,
+    PrismaService,
+    // User
+    ManageUserAbilityHandler,
+    ReadUserAbilityHandler,
+    CreateUserAbilityHandler,
+    UpdateUserAbilityHandler,
+    DeleteUserAbilityHandler,
+    // Workspace
+    ManageWorkspaceAbilityHandler,
+    ReadWorkspaceAbilityHandler,
+    CreateWorkspaceAbilityHandler,
+    UpdateWorkspaceAbilityHandler,
+    DeleteWorkspaceAbilityHandler,
+    // Workspace Member
+    ManageWorkspaceMemberAbilityHandler,
+    ReadWorkspaceMemberAbilityHandler,
+    CreateWorkspaceMemberAbilityHandler,
+    UpdateWorkspaceMemberAbilityHandler,
+    DeleteWorkspaceMemberAbilityHandler,
+    // Company
+    ManageCompanyAbilityHandler,
+    ReadCompanyAbilityHandler,
+    CreateCompanyAbilityHandler,
+    UpdateCompanyAbilityHandler,
+    DeleteCompanyAbilityHandler,
+    // Person
+    ManagePersonAbilityHandler,
+    ReadPersonAbilityHandler,
+    CreatePersonAbilityHandler,
+    UpdatePersonAbilityHandler,
+    DeletePersonAbilityHandler,
+    // RefreshToken
+    ManageRefreshTokenAbilityHandler,
+    ReadRefreshTokenAbilityHandler,
+    CreateRefreshTokenAbilityHandler,
+    UpdateRefreshTokenAbilityHandler,
+    DeleteRefreshTokenAbilityHandler,
+    // CommentThread
+    ManageCommentThreadAbilityHandler,
+    ReadCommentThreadAbilityHandler,
+    CreateCommentThreadAbilityHandler,
+    UpdateCommentThreadAbilityHandler,
+    DeleteCommentThreadAbilityHandler,
+    // Comment
+    ManageCommentAbilityHandler,
+    ReadCommentAbilityHandler,
+    CreateCommentAbilityHandler,
+    UpdateCommentAbilityHandler,
+    DeleteCommentAbilityHandler,
+    // CommentThreadTarget
+    ManageCommentThreadTargetAbilityHandler,
+    ReadCommentThreadTargetAbilityHandler,
+    CreateCommentThreadTargetAbilityHandler,
+    UpdateCommentThreadTargetAbilityHandler,
+    DeleteCommentThreadTargetAbilityHandler,
+    // Pipeline
+    ManagePipelineAbilityHandler,
+    ReadPipelineAbilityHandler,
+    CreatePipelineAbilityHandler,
+    UpdatePipelineAbilityHandler,
+    DeletePipelineAbilityHandler,
+    // PipelineStage
+    ManagePipelineStageAbilityHandler,
+    ReadPipelineStageAbilityHandler,
+    CreatePipelineStageAbilityHandler,
+    UpdatePipelineStageAbilityHandler,
+    DeletePipelineStageAbilityHandler,
+    // PipelineProgress
+    ManagePipelineProgressAbilityHandler,
+    ReadPipelineProgressAbilityHandler,
+    CreatePipelineProgressAbilityHandler,
+    UpdatePipelineProgressAbilityHandler,
+    DeletePipelineProgressAbilityHandler,
+  ],
+  exports: [
+    AbilityFactory,
+    // User
+    ManageUserAbilityHandler,
+    ReadUserAbilityHandler,
+    CreateUserAbilityHandler,
+    UpdateUserAbilityHandler,
+    DeleteUserAbilityHandler,
+    // Workspace
+    ManageWorkspaceAbilityHandler,
+    ReadWorkspaceAbilityHandler,
+    CreateWorkspaceAbilityHandler,
+    UpdateWorkspaceAbilityHandler,
+    DeleteWorkspaceAbilityHandler,
+    // Workspace Member
+    ManageWorkspaceMemberAbilityHandler,
+    ReadWorkspaceMemberAbilityHandler,
+    CreateWorkspaceMemberAbilityHandler,
+    UpdateWorkspaceMemberAbilityHandler,
+    DeleteWorkspaceMemberAbilityHandler,
+    // Company
+    ManageCompanyAbilityHandler,
+    ReadCompanyAbilityHandler,
+    CreateCompanyAbilityHandler,
+    UpdateCompanyAbilityHandler,
+    DeleteCompanyAbilityHandler,
+    // Person
+    ManagePersonAbilityHandler,
+    ReadPersonAbilityHandler,
+    CreatePersonAbilityHandler,
+    UpdatePersonAbilityHandler,
+    DeletePersonAbilityHandler,
+    // RefreshToken
+    ManageRefreshTokenAbilityHandler,
+    ReadRefreshTokenAbilityHandler,
+    CreateRefreshTokenAbilityHandler,
+    UpdateRefreshTokenAbilityHandler,
+    DeleteRefreshTokenAbilityHandler,
+    // CommentThread
+    ManageCommentThreadAbilityHandler,
+    ReadCommentThreadAbilityHandler,
+    CreateCommentThreadAbilityHandler,
+    UpdateCommentThreadAbilityHandler,
+    DeleteCommentThreadAbilityHandler,
+    // Comment
+    ManageCommentAbilityHandler,
+    ReadCommentAbilityHandler,
+    CreateCommentAbilityHandler,
+    UpdateCommentAbilityHandler,
+    DeleteCommentAbilityHandler,
+    // CommentThreadTarget
+    ManageCommentThreadTargetAbilityHandler,
+    ReadCommentThreadTargetAbilityHandler,
+    CreateCommentThreadTargetAbilityHandler,
+    UpdateCommentThreadTargetAbilityHandler,
+    DeleteCommentThreadTargetAbilityHandler,
+    // Pipeline
+    ManagePipelineAbilityHandler,
+    ReadPipelineAbilityHandler,
+    CreatePipelineAbilityHandler,
+    UpdatePipelineAbilityHandler,
+    DeletePipelineAbilityHandler,
+    // PipelineStage
+    ManagePipelineStageAbilityHandler,
+    ReadPipelineStageAbilityHandler,
+    CreatePipelineStageAbilityHandler,
+    UpdatePipelineStageAbilityHandler,
+    DeletePipelineStageAbilityHandler,
+    // PipelineProgress
+    ManagePipelineProgressAbilityHandler,
+    ReadPipelineProgressAbilityHandler,
+    CreatePipelineProgressAbilityHandler,
+    UpdatePipelineProgressAbilityHandler,
+    DeletePipelineProgressAbilityHandler,
+  ],
+})
+export class AbilityModule {}
diff --git a/server/src/ability/handlers/comment-thread-target.ability-handler.ts b/server/src/ability/handlers/comment-thread-target.ability-handler.ts
new file mode 100644
index 0000000000..94a5540178
--- /dev/null
+++ b/server/src/ability/handlers/comment-thread-target.ability-handler.ts
@@ -0,0 +1,50 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageCommentThreadTargetAbilityHandler
+  implements IAbilityHandler
+{
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'CommentThreadTarget');
+  }
+}
+
+@Injectable()
+export class ReadCommentThreadTargetAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'CommentThreadTarget');
+  }
+}
+
+@Injectable()
+export class CreateCommentThreadTargetAbilityHandler
+  implements IAbilityHandler
+{
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'CommentThreadTarget');
+  }
+}
+
+@Injectable()
+export class UpdateCommentThreadTargetAbilityHandler
+  implements IAbilityHandler
+{
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'CommentThreadTarget');
+  }
+}
+
+@Injectable()
+export class DeleteCommentThreadTargetAbilityHandler
+  implements IAbilityHandler
+{
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'CommentThreadTarget');
+  }
+}
diff --git a/server/src/ability/handlers/comment-thread.ability-handler.ts b/server/src/ability/handlers/comment-thread.ability-handler.ts
new file mode 100644
index 0000000000..3c2beb0f13
--- /dev/null
+++ b/server/src/ability/handlers/comment-thread.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageCommentThreadAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'CommentThread');
+  }
+}
+
+@Injectable()
+export class ReadCommentThreadAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'CommentThread');
+  }
+}
+
+@Injectable()
+export class CreateCommentThreadAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'CommentThread');
+  }
+}
+
+@Injectable()
+export class UpdateCommentThreadAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'CommentThread');
+  }
+}
+
+@Injectable()
+export class DeleteCommentThreadAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'CommentThread');
+  }
+}
diff --git a/server/src/ability/handlers/comment.ability-handler.ts b/server/src/ability/handlers/comment.ability-handler.ts
new file mode 100644
index 0000000000..ffe74dfdbb
--- /dev/null
+++ b/server/src/ability/handlers/comment.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageCommentAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'Comment');
+  }
+}
+
+@Injectable()
+export class ReadCommentAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Comment');
+  }
+}
+
+@Injectable()
+export class CreateCommentAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'Comment');
+  }
+}
+
+@Injectable()
+export class UpdateCommentAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'Comment');
+  }
+}
+
+@Injectable()
+export class DeleteCommentAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'Comment');
+  }
+}
diff --git a/server/src/ability/handlers/company.ability-handler.ts b/server/src/ability/handlers/company.ability-handler.ts
new file mode 100644
index 0000000000..6969f5b9c4
--- /dev/null
+++ b/server/src/ability/handlers/company.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageCompanyAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'Company');
+  }
+}
+
+@Injectable()
+export class ReadCompanyAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Company');
+  }
+}
+
+@Injectable()
+export class CreateCompanyAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'Company');
+  }
+}
+
+@Injectable()
+export class UpdateCompanyAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'Company');
+  }
+}
+
+@Injectable()
+export class DeleteCompanyAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'Company');
+  }
+}
diff --git a/server/src/ability/handlers/person.ability-handler.ts b/server/src/ability/handlers/person.ability-handler.ts
new file mode 100644
index 0000000000..12dbcb71c8
--- /dev/null
+++ b/server/src/ability/handlers/person.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManagePersonAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'Person');
+  }
+}
+
+@Injectable()
+export class ReadPersonAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Person');
+  }
+}
+
+@Injectable()
+export class CreatePersonAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'Person');
+  }
+}
+
+@Injectable()
+export class UpdatePersonAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'Person');
+  }
+}
+
+@Injectable()
+export class DeletePersonAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'Person');
+  }
+}
diff --git a/server/src/ability/handlers/pipeline-progress.ability-handler.ts b/server/src/ability/handlers/pipeline-progress.ability-handler.ts
new file mode 100644
index 0000000000..f70d8c1847
--- /dev/null
+++ b/server/src/ability/handlers/pipeline-progress.ability-handler.ts
@@ -0,0 +1,78 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import {
+  ExecutionContext,
+  Injectable,
+  NotFoundException,
+} from '@nestjs/common';
+import { GqlExecutionContext } from '@nestjs/graphql';
+import { assert } from 'src/utils/assert';
+import { subject } from '@casl/ability';
+import { PipelineProgressWhereInput } from 'src/core/@generated/pipeline-progress/pipeline-progress-where.input';
+
+class PipelineProgressArgs {
+  where?: PipelineProgressWhereInput;
+}
+
+@Injectable()
+export class ManagePipelineProgressAbilityHandler implements IAbilityHandler {
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'PipelineProgress');
+  }
+}
+
+@Injectable()
+export class ReadPipelineProgressAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'PipelineProgress');
+  }
+}
+
+@Injectable()
+export class CreatePipelineProgressAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'PipelineProgress');
+  }
+}
+
+@Injectable()
+export class UpdatePipelineProgressAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<PipelineProgressArgs>();
+    const pipelineProgress =
+      await this.prismaService.pipelineProgress.findFirst({
+        where: args.where,
+      });
+    assert(pipelineProgress, '', NotFoundException);
+
+    return ability.can(
+      AbilityAction.Update,
+      subject('PipelineProgress', pipelineProgress),
+    );
+  }
+}
+
+@Injectable()
+export class DeletePipelineProgressAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<PipelineProgressArgs>();
+    const pipelineProgress =
+      await this.prismaService.pipelineProgress.findFirst({
+        where: args.where,
+      });
+    assert(pipelineProgress, '', NotFoundException);
+
+    return ability.can(
+      AbilityAction.Delete,
+      subject('PipelineProgress', pipelineProgress),
+    );
+  }
+}
diff --git a/server/src/ability/handlers/pipeline-stage.ability-handler.ts b/server/src/ability/handlers/pipeline-stage.ability-handler.ts
new file mode 100644
index 0000000000..cb2c95c427
--- /dev/null
+++ b/server/src/ability/handlers/pipeline-stage.ability-handler.ts
@@ -0,0 +1,76 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import {
+  ExecutionContext,
+  Injectable,
+  NotFoundException,
+} from '@nestjs/common';
+import { PipelineStageWhereInput } from 'src/core/@generated/pipeline-stage/pipeline-stage-where.input';
+import { GqlExecutionContext } from '@nestjs/graphql';
+import { assert } from 'src/utils/assert';
+import { subject } from '@casl/ability';
+
+class PipelineStageArgs {
+  where?: PipelineStageWhereInput;
+}
+
+@Injectable()
+export class ManagePipelineStageAbilityHandler implements IAbilityHandler {
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'PipelineStage');
+  }
+}
+
+@Injectable()
+export class ReadPipelineStageAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'PipelineStage');
+  }
+}
+
+@Injectable()
+export class CreatePipelineStageAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'PipelineStage');
+  }
+}
+
+@Injectable()
+export class UpdatePipelineStageAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<PipelineStageArgs>();
+    const pipelineStage = await this.prismaService.pipelineStage.findFirst({
+      where: args.where,
+    });
+    assert(pipelineStage, '', NotFoundException);
+
+    return ability.can(
+      AbilityAction.Update,
+      subject('PipelineStage', pipelineStage),
+    );
+  }
+}
+
+@Injectable()
+export class DeletePipelineStageAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<PipelineStageArgs>();
+    const pipelineStage = await this.prismaService.pipelineStage.findFirst({
+      where: args.where,
+    });
+    assert(pipelineStage, '', NotFoundException);
+
+    return ability.can(
+      AbilityAction.Delete,
+      subject('PipelineStage', pipelineStage),
+    );
+  }
+}
diff --git a/server/src/ability/handlers/pipeline.ability-handler.ts b/server/src/ability/handlers/pipeline.ability-handler.ts
new file mode 100644
index 0000000000..23ca2da3e9
--- /dev/null
+++ b/server/src/ability/handlers/pipeline.ability-handler.ts
@@ -0,0 +1,70 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import {
+  ExecutionContext,
+  Injectable,
+  NotFoundException,
+} from '@nestjs/common';
+import { PipelineWhereInput } from 'src/core/@generated/pipeline/pipeline-where.input';
+import { GqlExecutionContext } from '@nestjs/graphql';
+import { assert } from 'src/utils/assert';
+import { subject } from '@casl/ability';
+
+class PipelineArgs {
+  where?: PipelineWhereInput;
+}
+
+@Injectable()
+export class ManagePipelineAbilityHandler implements IAbilityHandler {
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'Pipeline');
+  }
+}
+
+@Injectable()
+export class ReadPipelineAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Pipeline');
+  }
+}
+
+@Injectable()
+export class CreatePipelineAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'Pipeline');
+  }
+}
+
+@Injectable()
+export class UpdatePipelineAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<PipelineArgs>();
+    const pipeline = await this.prismaService.pipeline.findFirst({
+      where: args.where,
+    });
+    assert(pipeline, '', NotFoundException);
+
+    return ability.can(AbilityAction.Update, subject('Pipeline', pipeline));
+  }
+}
+
+@Injectable()
+export class DeletePipelineAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<PipelineArgs>();
+    const pipeline = await this.prismaService.pipeline.findFirst({
+      where: args.where,
+    });
+    assert(pipeline, '', NotFoundException);
+
+    return ability.can(AbilityAction.Delete, subject('Pipeline', pipeline));
+  }
+}
diff --git a/server/src/ability/handlers/refresh-token.ability-handler.ts b/server/src/ability/handlers/refresh-token.ability-handler.ts
new file mode 100644
index 0000000000..e2e35c883c
--- /dev/null
+++ b/server/src/ability/handlers/refresh-token.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageRefreshTokenAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'RefreshToken');
+  }
+}
+
+@Injectable()
+export class ReadRefreshTokenAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'RefreshToken');
+  }
+}
+
+@Injectable()
+export class CreateRefreshTokenAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'RefreshToken');
+  }
+}
+
+@Injectable()
+export class UpdateRefreshTokenAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'RefreshToken');
+  }
+}
+
+@Injectable()
+export class DeleteRefreshTokenAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'RefreshToken');
+  }
+}
diff --git a/server/src/ability/handlers/user.ability-handler.ts b/server/src/ability/handlers/user.ability-handler.ts
new file mode 100644
index 0000000000..371b223a6e
--- /dev/null
+++ b/server/src/ability/handlers/user.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageUserAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'User');
+  }
+}
+
+@Injectable()
+export class ReadUserAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'User');
+  }
+}
+
+@Injectable()
+export class CreateUserAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'User');
+  }
+}
+
+@Injectable()
+export class UpdateUserAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'User');
+  }
+}
+
+@Injectable()
+export class DeleteUserAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'User');
+  }
+}
diff --git a/server/src/ability/handlers/workspace-member.ability-handler.ts b/server/src/ability/handlers/workspace-member.ability-handler.ts
new file mode 100644
index 0000000000..d75f10995e
--- /dev/null
+++ b/server/src/ability/handlers/workspace-member.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageWorkspaceMemberAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'WorkspaceMember');
+  }
+}
+
+@Injectable()
+export class ReadWorkspaceMemberAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'WorkspaceMember');
+  }
+}
+
+@Injectable()
+export class CreateWorkspaceMemberAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'WorkspaceMember');
+  }
+}
+
+@Injectable()
+export class UpdateWorkspaceMemberAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'WorkspaceMember');
+  }
+}
+
+@Injectable()
+export class DeleteWorkspaceMemberAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'WorkspaceMember');
+  }
+}
diff --git a/server/src/ability/handlers/workspace.ability-handler.ts b/server/src/ability/handlers/workspace.ability-handler.ts
new file mode 100644
index 0000000000..368485c0ce
--- /dev/null
+++ b/server/src/ability/handlers/workspace.ability-handler.ts
@@ -0,0 +1,42 @@
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from '../ability.action';
+import { AppAbility } from '../ability.factory';
+import { IAbilityHandler } from '../interfaces/ability-handler.interface';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class ManageWorkspaceAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'Workspace');
+  }
+}
+
+@Injectable()
+export class ReadWorkspaceAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Workspace');
+  }
+}
+
+@Injectable()
+export class CreateWorkspaceAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Create, 'Workspace');
+  }
+}
+
+@Injectable()
+export class UpdateWorkspaceAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Update, 'Workspace');
+  }
+}
+
+@Injectable()
+export class DeleteWorkspaceAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Delete, 'Workspace');
+  }
+}
diff --git a/server/src/ability/interfaces/ability-handler.interface.ts b/server/src/ability/interfaces/ability-handler.interface.ts
new file mode 100644
index 0000000000..40d46bc687
--- /dev/null
+++ b/server/src/ability/interfaces/ability-handler.interface.ts
@@ -0,0 +1,11 @@
+import { ExecutionContext, Type } from '@nestjs/common';
+import { AppAbility } from '../ability.factory';
+
+export interface IAbilityHandler {
+  handle(
+    ability: AppAbility,
+    executionContext: ExecutionContext,
+  ): Promise<boolean> | boolean;
+}
+
+export type AbilityHandler = Type<IAbilityHandler>;
diff --git a/server/src/app.module.ts b/server/src/app.module.ts
index 87f7871ed2..c4a0806ca8 100644
--- a/server/src/app.module.ts
+++ b/server/src/app.module.ts
@@ -5,9 +5,11 @@ import { AppService } from './app.service';
 import { ConfigModule } from '@nestjs/config';
 import { CoreModule } from './core/core.module';
 import { ApolloDriver, ApolloDriverConfig } from '@nestjs/apollo';
+import { ApolloServerPluginLandingPageLocalDefault } from '@apollo/server/plugin/landingPage/default';
 import { GraphQLError } from 'graphql';
 import { PrismaModule } from './database/prisma.module';
 import { HealthModule } from './health/health.module';
+import { AbilityModule } from './ability/ability.module';
 
 @Module({
   imports: [
@@ -15,9 +17,11 @@ import { HealthModule } from './health/health.module';
       isGlobal: true,
     }),
     GraphQLModule.forRoot<ApolloDriverConfig>({
+      playground: false,
       context: ({ req }) => ({ req }),
       driver: ApolloDriver,
       autoSchemaFile: true,
+      plugins: [ApolloServerPluginLandingPageLocalDefault()],
       formatError: (error: GraphQLError) => {
         error.extensions.stacktrace = undefined;
         return error;
@@ -25,6 +29,7 @@ import { HealthModule } from './health/health.module';
     }),
     PrismaModule,
     HealthModule,
+    AbilityModule,
     CoreModule,
   ],
   providers: [AppService],
diff --git a/server/src/core/auth/services/token.service.spec.ts b/server/src/core/auth/services/token.service.spec.ts
index 9d05aa98ec..a17a9ff6fe 100644
--- a/server/src/core/auth/services/token.service.spec.ts
+++ b/server/src/core/auth/services/token.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { TokenService } from './token.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 import { JwtService } from '@nestjs/jwt';
 import { ConfigService } from '@nestjs/config';
 
diff --git a/server/src/core/comment/services/comment-thread-target.service.spec.ts b/server/src/core/comment/services/comment-thread-target.service.spec.ts
index 5c00ab220e..2ac9c14c92 100644
--- a/server/src/core/comment/services/comment-thread-target.service.spec.ts
+++ b/server/src/core/comment/services/comment-thread-target.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { CommentThreadTargetService } from './comment-thread-target.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('CommentThreadTargetService', () => {
   let service: CommentThreadTargetService;
diff --git a/server/src/core/comment/services/comment-thread.service.spec.ts b/server/src/core/comment/services/comment-thread.service.spec.ts
index 04cb088405..792ce34c11 100644
--- a/server/src/core/comment/services/comment-thread.service.spec.ts
+++ b/server/src/core/comment/services/comment-thread.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { CommentThreadService } from './comment-thread.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('CommentThreadService', () => {
   let service: CommentThreadService;
diff --git a/server/src/core/comment/services/comment.service.spec.ts b/server/src/core/comment/services/comment.service.spec.ts
index 30bdc59895..75cd8c1df0 100644
--- a/server/src/core/comment/services/comment.service.spec.ts
+++ b/server/src/core/comment/services/comment.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { CommentService } from './comment.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('CommentService', () => {
   let service: CommentService;
diff --git a/server/src/core/company/company.service.spec.ts b/server/src/core/company/company.service.spec.ts
index 8ff7340582..5c929517b7 100644
--- a/server/src/core/company/company.service.spec.ts
+++ b/server/src/core/company/company.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { CompanyService } from './company.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('CompanyService', () => {
   let service: CompanyService;
diff --git a/server/src/core/person/person.service.spec.ts b/server/src/core/person/person.service.spec.ts
index 6db8370748..552df3aa30 100644
--- a/server/src/core/person/person.service.spec.ts
+++ b/server/src/core/person/person.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PersonService } from './person.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('PersonService', () => {
   let service: PersonService;
diff --git a/server/src/core/pipeline/resolvers/pipeline-progress.resolver.spec.ts b/server/src/core/pipeline/resolvers/pipeline-progress.resolver.spec.ts
index d9d38e2014..ea2c5cba15 100644
--- a/server/src/core/pipeline/resolvers/pipeline-progress.resolver.spec.ts
+++ b/server/src/core/pipeline/resolvers/pipeline-progress.resolver.spec.ts
@@ -1,6 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PipelineProgressResolver } from './pipeline-progress.resolver';
 import { PipelineProgressService } from '../services/pipeline-progress.service';
+import { AbilityFactory } from 'src/ability/ability.factory';
 
 describe('PipelineProgressResolver', () => {
   let resolver: PipelineProgressResolver;
@@ -13,6 +14,10 @@ describe('PipelineProgressResolver', () => {
           provide: PipelineProgressService,
           useValue: {},
         },
+        {
+          provide: AbilityFactory,
+          useValue: {},
+        },
       ],
     }).compile();
 
diff --git a/server/src/core/pipeline/resolvers/pipeline-progress.resolver.ts b/server/src/core/pipeline/resolvers/pipeline-progress.resolver.ts
index 0388f4dd36..266811a68d 100644
--- a/server/src/core/pipeline/resolvers/pipeline-progress.resolver.ts
+++ b/server/src/core/pipeline/resolvers/pipeline-progress.resolver.ts
@@ -1,5 +1,6 @@
 import { Resolver, Args, Query, Mutation } from '@nestjs/graphql';
 import { UseGuards } from '@nestjs/common';
+import { accessibleBy } from '@casl/prisma';
 import { JwtAuthGuard } from 'src/guards/jwt.auth.guard';
 import { Workspace } from '../../../core/@generated/workspace/workspace.model';
 import { AuthWorkspace } from '../../../decorators/auth-workspace.decorator';
@@ -11,7 +12,16 @@ import { AffectedRows } from '../../@generated/prisma/affected-rows.output';
 import { DeleteManyPipelineProgressArgs } from '../../@generated/pipeline-progress/delete-many-pipeline-progress.args';
 import { CreateOnePipelineProgressArgs } from '../../@generated/pipeline-progress/create-one-pipeline-progress.args';
 import { PipelineProgressService } from '../services/pipeline-progress.service';
-import { prepareFindManyArgs } from 'src/utils/prepare-find-many';
+import { AbilityGuard } from 'src/guards/ability.guard';
+import { CheckAbilities } from 'src/decorators/check-abilities.decorator';
+import {
+  CreatePipelineProgressAbilityHandler,
+  ReadPipelineProgressAbilityHandler,
+  UpdatePipelineProgressAbilityHandler,
+  DeletePipelineProgressAbilityHandler,
+} from 'src/ability/handlers/pipeline-progress.ability-handler';
+import { UserAbility } from 'src/decorators/user-ability.decorator';
+import { AppAbility } from 'src/ability/ability.factory';
 
 @UseGuards(JwtAuthGuard)
 @Resolver(() => PipelineProgress)
@@ -21,20 +31,26 @@ export class PipelineProgressResolver {
   ) {}
 
   @Query(() => [PipelineProgress])
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(ReadPipelineProgressAbilityHandler)
   async findManyPipelineProgress(
     @Args() args: FindManyPipelineProgressArgs,
-    @AuthWorkspace() workspace: Workspace,
+    @UserAbility() ability: AppAbility,
   ) {
-    const preparedArgs = prepareFindManyArgs<FindManyPipelineProgressArgs>(
-      args,
-      workspace,
-    );
-    return this.pipelineProgressService.findMany(preparedArgs);
+    return this.pipelineProgressService.findMany({
+      ...args,
+      where: {
+        ...args.where,
+        AND: [accessibleBy(ability).PipelineProgress],
+      },
+    });
   }
 
   @Mutation(() => PipelineProgress, {
     nullable: true,
   })
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(UpdatePipelineProgressAbilityHandler)
   async updateOnePipelineProgress(
     @Args() args: UpdateOnePipelineProgressArgs,
   ): Promise<PipelineProgress | null> {
@@ -46,6 +62,8 @@ export class PipelineProgressResolver {
   @Mutation(() => AffectedRows, {
     nullable: false,
   })
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(DeletePipelineProgressAbilityHandler)
   async deleteManyPipelineProgress(
     @Args() args: DeleteManyPipelineProgressArgs,
   ): Promise<AffectedRows> {
@@ -57,6 +75,8 @@ export class PipelineProgressResolver {
   @Mutation(() => PipelineProgress, {
     nullable: false,
   })
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(CreatePipelineProgressAbilityHandler)
   async createOnePipelineProgress(
     @Args() args: CreateOnePipelineProgressArgs,
     @AuthWorkspace() workspace: Workspace,
diff --git a/server/src/core/pipeline/resolvers/pipeline-stage.resolver.spec.ts b/server/src/core/pipeline/resolvers/pipeline-stage.resolver.spec.ts
index 038ffc2c38..b8dfc2768d 100644
--- a/server/src/core/pipeline/resolvers/pipeline-stage.resolver.spec.ts
+++ b/server/src/core/pipeline/resolvers/pipeline-stage.resolver.spec.ts
@@ -1,6 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PipelineStageResolver } from './pipeline-stage.resolver';
 import { PipelineStageService } from '../services/pipeline-stage.service';
+import { AbilityFactory } from 'src/ability/ability.factory';
 
 describe('PipelineStageResolver', () => {
   let resolver: PipelineStageResolver;
@@ -13,6 +14,10 @@ describe('PipelineStageResolver', () => {
           provide: PipelineStageService,
           useValue: {},
         },
+        {
+          provide: AbilityFactory,
+          useValue: {},
+        },
       ],
     }).compile();
 
diff --git a/server/src/core/pipeline/resolvers/pipeline-stage.resolver.ts b/server/src/core/pipeline/resolvers/pipeline-stage.resolver.ts
index 0312e956e4..516f3bd60e 100644
--- a/server/src/core/pipeline/resolvers/pipeline-stage.resolver.ts
+++ b/server/src/core/pipeline/resolvers/pipeline-stage.resolver.ts
@@ -1,12 +1,15 @@
 import { Resolver, Args, Query } from '@nestjs/graphql';
 import { UseGuards } from '@nestjs/common';
+import { accessibleBy } from '@casl/prisma';
 import { JwtAuthGuard } from 'src/guards/jwt.auth.guard';
-import { Workspace } from '../../../core/@generated/workspace/workspace.model';
-import { AuthWorkspace } from '../../../decorators/auth-workspace.decorator';
 import { PipelineStage } from '../../../core/@generated/pipeline-stage/pipeline-stage.model';
 import { FindManyPipelineStageArgs } from '../../../core/@generated/pipeline-stage/find-many-pipeline-stage.args';
 import { PipelineStageService } from '../services/pipeline-stage.service';
-import { prepareFindManyArgs } from 'src/utils/prepare-find-many';
+import { AbilityGuard } from 'src/guards/ability.guard';
+import { CheckAbilities } from 'src/decorators/check-abilities.decorator';
+import { ReadPipelineStageAbilityHandler } from 'src/ability/handlers/pipeline-stage.ability-handler';
+import { UserAbility } from 'src/decorators/user-ability.decorator';
+import { AppAbility } from 'src/ability/ability.factory';
 
 @UseGuards(JwtAuthGuard)
 @Resolver(() => PipelineStage)
@@ -14,15 +17,18 @@ export class PipelineStageResolver {
   constructor(private readonly pipelineStageService: PipelineStageService) {}
 
   @Query(() => [PipelineStage])
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(ReadPipelineStageAbilityHandler)
   async findManyPipelineStage(
     @Args() args: FindManyPipelineStageArgs,
-    @AuthWorkspace() workspace: Workspace,
+    @UserAbility() ability: AppAbility,
   ) {
-    const preparedArgs = prepareFindManyArgs<FindManyPipelineStageArgs>(
-      args,
-      workspace,
-    );
-
-    return this.pipelineStageService.findMany(preparedArgs);
+    return this.pipelineStageService.findMany({
+      ...args,
+      where: {
+        ...args.where,
+        AND: [accessibleBy(ability).PipelineStage],
+      },
+    });
   }
 }
diff --git a/server/src/core/pipeline/resolvers/pipeline.resolver.spec.ts b/server/src/core/pipeline/resolvers/pipeline.resolver.spec.ts
index c23e9c62a6..0eebfb9c9b 100644
--- a/server/src/core/pipeline/resolvers/pipeline.resolver.spec.ts
+++ b/server/src/core/pipeline/resolvers/pipeline.resolver.spec.ts
@@ -1,6 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PipelineResolver } from './pipeline.resolver';
 import { PipelineService } from '../services/pipeline.service';
+import { AbilityFactory } from 'src/ability/ability.factory';
 
 describe('PipelineResolver', () => {
   let resolver: PipelineResolver;
@@ -13,6 +14,10 @@ describe('PipelineResolver', () => {
           provide: PipelineService,
           useValue: {},
         },
+        {
+          provide: AbilityFactory,
+          useValue: {},
+        },
       ],
     }).compile();
 
diff --git a/server/src/core/pipeline/resolvers/pipeline.resolver.ts b/server/src/core/pipeline/resolvers/pipeline.resolver.ts
index 977bad29b9..c3bbc58763 100644
--- a/server/src/core/pipeline/resolvers/pipeline.resolver.ts
+++ b/server/src/core/pipeline/resolvers/pipeline.resolver.ts
@@ -1,12 +1,15 @@
 import { Resolver, Args, Query } from '@nestjs/graphql';
 import { UseGuards } from '@nestjs/common';
+import { accessibleBy } from '@casl/prisma';
 import { JwtAuthGuard } from 'src/guards/jwt.auth.guard';
-import { Workspace } from '../../@generated/workspace/workspace.model';
-import { AuthWorkspace } from '../../../decorators/auth-workspace.decorator';
 import { Pipeline } from '../../@generated/pipeline/pipeline.model';
 import { FindManyPipelineArgs } from '../../@generated/pipeline/find-many-pipeline.args';
 import { PipelineService } from '../services/pipeline.service';
-import { prepareFindManyArgs } from 'src/utils/prepare-find-many';
+import { AbilityGuard } from 'src/guards/ability.guard';
+import { CheckAbilities } from 'src/decorators/check-abilities.decorator';
+import { ReadPipelineAbilityHandler } from 'src/ability/handlers/pipeline.ability-handler';
+import { UserAbility } from 'src/decorators/user-ability.decorator';
+import { AppAbility } from 'src/ability/ability.factory';
 
 @UseGuards(JwtAuthGuard)
 @Resolver(() => Pipeline)
@@ -14,14 +17,18 @@ export class PipelineResolver {
   constructor(private readonly pipelineService: PipelineService) {}
 
   @Query(() => [Pipeline])
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(ReadPipelineAbilityHandler)
   async findManyPipeline(
     @Args() args: FindManyPipelineArgs,
-    @AuthWorkspace() workspace: Workspace,
+    @UserAbility() ability: AppAbility,
   ) {
-    const preparedArgs = prepareFindManyArgs<FindManyPipelineArgs>(
-      args,
-      workspace,
-    );
-    return this.pipelineService.findMany(preparedArgs);
+    return this.pipelineService.findMany({
+      ...args,
+      where: {
+        ...args.where,
+        AND: [accessibleBy(ability).Pipeline],
+      },
+    });
   }
 }
diff --git a/server/src/core/pipeline/services/pipeline-progress.service.spec.ts b/server/src/core/pipeline/services/pipeline-progress.service.spec.ts
index ddc45c73a5..c17c0b5adb 100644
--- a/server/src/core/pipeline/services/pipeline-progress.service.spec.ts
+++ b/server/src/core/pipeline/services/pipeline-progress.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PipelineProgressService } from './pipeline-progress.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('PipelineProgressService', () => {
   let service: PipelineProgressService;
diff --git a/server/src/core/pipeline/services/pipeline-stage.service.spec.ts b/server/src/core/pipeline/services/pipeline-stage.service.spec.ts
index 275430abef..da462ef1e2 100644
--- a/server/src/core/pipeline/services/pipeline-stage.service.spec.ts
+++ b/server/src/core/pipeline/services/pipeline-stage.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PipelineStageService } from './pipeline-stage.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('PipelineStageService', () => {
   let service: PipelineStageService;
diff --git a/server/src/core/pipeline/services/pipeline.service.spec.ts b/server/src/core/pipeline/services/pipeline.service.spec.ts
index 3dcff4e031..c4c3973156 100644
--- a/server/src/core/pipeline/services/pipeline.service.spec.ts
+++ b/server/src/core/pipeline/services/pipeline.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { PipelineService } from './pipeline.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('PipelineService', () => {
   let service: PipelineService;
diff --git a/server/src/core/user/user.service.spec.ts b/server/src/core/user/user.service.spec.ts
index b1585d40f5..9be9bf74f8 100644
--- a/server/src/core/user/user.service.spec.ts
+++ b/server/src/core/user/user.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { UserService } from './user.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 import { WorkspaceService } from '../workspace/services/workspace.service';
 import { WorkspaceMemberService } from '../workspace/services/workspace-member.service';
 
diff --git a/server/src/core/workspace/services/workspace-member.service.spec.ts b/server/src/core/workspace/services/workspace-member.service.spec.ts
index 8a65ad4544..e4eacfc80a 100644
--- a/server/src/core/workspace/services/workspace-member.service.spec.ts
+++ b/server/src/core/workspace/services/workspace-member.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { WorkspaceMemberService } from './workspace-member.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('WorkspaceMemberService', () => {
   let service: WorkspaceMemberService;
diff --git a/server/src/core/workspace/services/workspace.service.spec.ts b/server/src/core/workspace/services/workspace.service.spec.ts
index f566cb3142..965c609626 100644
--- a/server/src/core/workspace/services/workspace.service.spec.ts
+++ b/server/src/core/workspace/services/workspace.service.spec.ts
@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { WorkspaceService } from './workspace.service';
 import { PrismaService } from 'src/database/prisma.service';
-import { prismaMock } from 'src/prisma-mock/jest-prisma-singleton';
+import { prismaMock } from 'src/database/client-mock/jest-prisma-singleton';
 
 describe('WorkspaceService', () => {
   let service: WorkspaceService;
diff --git a/server/src/prisma-mock/client.ts b/server/src/database/client-mock/client.ts
similarity index 100%
rename from server/src/prisma-mock/client.ts
rename to server/src/database/client-mock/client.ts
diff --git a/server/src/database/client-mock/context.ts b/server/src/database/client-mock/context.ts
deleted file mode 100644
index 0b66a3ac3e..0000000000
--- a/server/src/database/client-mock/context.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import { PrismaClient } from '@prisma/client';
-import { mockDeep, DeepMockProxy } from 'jest-mock-extended';
-
-export type Context = {
-  prisma: PrismaClient;
-};
-
-export type MockContext = {
-  prisma: DeepMockProxy<PrismaClient>;
-};
-
-export const createMockContext = (): MockContext => {
-  return {
-    prisma: mockDeep<PrismaClient>(),
-  };
-};
diff --git a/server/src/prisma-mock/jest-prisma-singleton.ts b/server/src/database/client-mock/jest-prisma-singleton.ts
similarity index 100%
rename from server/src/prisma-mock/jest-prisma-singleton.ts
rename to server/src/database/client-mock/jest-prisma-singleton.ts
diff --git a/server/src/decorators/check-abilities.decorator.ts b/server/src/decorators/check-abilities.decorator.ts
new file mode 100644
index 0000000000..fedd12f00f
--- /dev/null
+++ b/server/src/decorators/check-abilities.decorator.ts
@@ -0,0 +1,6 @@
+import { SetMetadata } from '@nestjs/common';
+import { AbilityHandler } from 'src/ability/interfaces/ability-handler.interface';
+
+export const CHECK_ABILITIES_KEY = 'check_abilities';
+export const CheckAbilities = (...handlers: AbilityHandler[]) =>
+  SetMetadata(CHECK_ABILITIES_KEY, handlers);
diff --git a/server/src/decorators/user-ability.decorator.ts b/server/src/decorators/user-ability.decorator.ts
new file mode 100644
index 0000000000..062484fd37
--- /dev/null
+++ b/server/src/decorators/user-ability.decorator.ts
@@ -0,0 +1,10 @@
+import { createParamDecorator, ExecutionContext } from '@nestjs/common';
+import { getRequest } from 'src/utils/extract-request';
+
+export const UserAbility = createParamDecorator(
+  (_: unknown, context: ExecutionContext) => {
+    const request = getRequest(context);
+
+    return request.ability;
+  },
+);
diff --git a/server/src/guards/ability.guard.ts b/server/src/guards/ability.guard.ts
new file mode 100644
index 0000000000..e0536f1718
--- /dev/null
+++ b/server/src/guards/ability.guard.ts
@@ -0,0 +1,68 @@
+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+import { ModuleRef, Reflector } from '@nestjs/core';
+import { PassportUser } from 'src/core/auth/strategies/jwt.auth.strategy';
+import { CHECK_ABILITIES_KEY } from 'src/decorators/check-abilities.decorator';
+import { AbilityFactory, AppAbility } from 'src/ability/ability.factory';
+import { AbilityHandler } from 'src/ability/interfaces/ability-handler.interface';
+import { assert } from 'src/utils/assert';
+import { getRequest } from 'src/utils/extract-request';
+
+@Injectable()
+export class AbilityGuard implements CanActivate {
+  constructor(
+    private readonly reflector: Reflector,
+    private readonly abilityFactory: AbilityFactory,
+    private readonly moduleRef: ModuleRef,
+  ) {}
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const handlers =
+      this.reflector.get<AbilityHandler[]>(
+        CHECK_ABILITIES_KEY,
+        context.getHandler(),
+      ) || [];
+
+    const request = getRequest(context);
+    const passportUser = request?.user as PassportUser | null | undefined;
+
+    assert(passportUser, '', UnauthorizedException);
+
+    const ability = this.abilityFactory.defineAbility(
+      passportUser.user,
+      passportUser.workspace,
+    );
+
+    request.ability = ability;
+
+    for (const handler of handlers) {
+      const result = await this._execAbilityHandler(handler, ability, context);
+
+      if (!result) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  private async _execAbilityHandler(
+    abilityHandler: AbilityHandler,
+    ability: AppAbility,
+    context: ExecutionContext,
+  ) {
+    const handler = this.moduleRef.get(abilityHandler, { strict: false });
+
+    if (!handler) {
+      throw new Error(`Handler of type ${abilityHandler.name} not provided`);
+    }
+
+    const res = await handler.handle(ability, context);
+
+    return res;
+  }
+}
diff --git a/server/yarn.lock b/server/yarn.lock
index 08e9bee4f0..c7d01a7fd2 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -570,6 +570,21 @@
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
   integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==
 
+"@casl/ability@^6.5.0":
+  version "6.5.0"
+  resolved "https://registry.yarnpkg.com/@casl/ability/-/ability-6.5.0.tgz#a151a7637886099b8ffe52a96601225004a5c157"
+  integrity sha512-3guc94ugr5ylZQIpJTLz0CDfwNi0mxKVECj1vJUPAvs+Lwunh/dcuUjwzc4MHM9D8JOYX0XUZMEPedpB3vIbOw==
+  dependencies:
+    "@ucast/mongo2js" "^1.3.0"
+
+"@casl/prisma@^1.4.0":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@casl/prisma/-/prisma-1.4.0.tgz#0b446e272c2b1ab300de8958c39aa534e3a29db2"
+  integrity sha512-edDoBfm2aSww5HLyAqKmSYlGqCX06Bo8j+4P8hBNuIxmSO97Q1jEO8hkCzMThnucuGFEbNvUct1+K64CH2zTWQ==
+  dependencies:
+    "@ucast/core" "^1.10.0"
+    "@ucast/js" "^3.0.1"
+
 "@colors/colors@1.5.0":
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/@colors/colors/-/colors-1.5.0.tgz#bb504579c1cae923e6576a4f5da43d25f97bdbd9"
@@ -1808,6 +1823,34 @@
     "@typescript-eslint/types" "5.59.11"
     eslint-visitor-keys "^3.3.0"
 
+"@ucast/core@^1.0.0", "@ucast/core@^1.10.0", "@ucast/core@^1.4.1", "@ucast/core@^1.6.1":
+  version "1.10.2"
+  resolved "https://registry.yarnpkg.com/@ucast/core/-/core-1.10.2.tgz#30b6b893479823265368e528b61b042f752f2c92"
+  integrity sha512-ons5CwXZ/51wrUPfoduC+cO7AS1/wRb0ybpQJ9RrssossDxVy4t49QxWoWgfBDvVKsz9VXzBk9z0wqTdZ+Cq8g==
+
+"@ucast/js@^3.0.0", "@ucast/js@^3.0.1":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@ucast/js/-/js-3.0.3.tgz#6ff618a85bd95f1a8f46658cc663a1f798de327f"
+  integrity sha512-jBBqt57T5WagkAjqfCIIE5UYVdaXYgGkOFYv2+kjq2AVpZ2RIbwCo/TujJpDlwTVluUI+WpnRpoGU2tSGlEvFQ==
+  dependencies:
+    "@ucast/core" "^1.0.0"
+
+"@ucast/mongo2js@^1.3.0":
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/@ucast/mongo2js/-/mongo2js-1.3.4.tgz#579f9e5eb074cba54640d5c70c71c500580f3af3"
+  integrity sha512-ahazOr1HtelA5AC1KZ9x0UwPMqqimvfmtSm/PRRSeKKeE5G2SCqTgwiNzO7i9jS8zA3dzXpKVPpXMkcYLnyItA==
+  dependencies:
+    "@ucast/core" "^1.6.1"
+    "@ucast/js" "^3.0.0"
+    "@ucast/mongo" "^2.4.0"
+
+"@ucast/mongo@^2.4.0":
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/@ucast/mongo/-/mongo-2.4.3.tgz#92b1dd7c0ab06a907f2ab1422aa3027518ccc05e"
+  integrity sha512-XcI8LclrHWP83H+7H2anGCEeDq0n+12FU2mXCTz6/Tva9/9ddK/iacvvhCyW6cijAAOILmt0tWplRyRhVyZLsA==
+  dependencies:
+    "@ucast/core" "^1.4.1"
+
 "@webassemblyjs/ast@1.11.6", "@webassemblyjs/ast@^1.11.5":
   version "1.11.6"
   resolved "https://registry.yarnpkg.com/@webassemblyjs/ast/-/ast-1.11.6.tgz#db046555d3c413f8966ca50a95176a0e2c642e24"