diff --git a/Cargo.lock b/Cargo.lock
index 87165de..c22bd25 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -985,6 +985,12 @@ dependencies = [
  "linux-raw-sys 0.6.4",
 ]
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125"
+
 [[package]]
 name = "edid-rs"
 version = "0.1.0"
@@ -2294,6 +2300,7 @@ name = "niri-ipc"
 version = "0.1.7"
 dependencies = [
  "clap",
+ "schemars",
  "serde",
  "serde_json",
 ]
@@ -3307,6 +3314,30 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b53b0a5db882a8e2fdaae0a43f7b39e7e9082389e978398bdf223a55b581248"
 
+[[package]]
+name = "schemars"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09c024468a378b7e36765cd36702b7a90cc3cba11654f6685c8f233408e89e92"
+dependencies = [
+ "dyn-clone",
+ "schemars_derive",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars_derive"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1eee588578aff73f856ab961cd2f79e36bc45d7ded33a7562adba4667aecc0e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde_derive_internals",
+ "syn 2.0.67",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -3345,6 +3376,17 @@ dependencies = [
  "syn 2.0.69",
 ]
 
+[[package]]
+name = "serde_derive_internals"
+version = "0.29.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18d26a20a969b9e3fdf2fc2d9f21eda6c40e2de84c9408bb5d3b05d499aae711"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.67",
+]
+
 [[package]]
 name = "serde_json"
 version = "1.0.120"
diff --git a/niri-ipc/Cargo.toml b/niri-ipc/Cargo.toml
index e096311..d0bafab 100644
--- a/niri-ipc/Cargo.toml
+++ b/niri-ipc/Cargo.toml
@@ -9,6 +9,7 @@ repository.workspace = true
 
 [dependencies]
 clap = { workspace = true, optional = true }
+schemars = "0.8.21"
 serde.workspace = true
 serde_json.workspace = true
 
diff --git a/niri-ipc/src/lib.rs b/niri-ipc/src/lib.rs
index 16817df..021300b 100644
--- a/niri-ipc/src/lib.rs
+++ b/niri-ipc/src/lib.rs
@@ -4,13 +4,14 @@
 use std::collections::HashMap;
 use std::str::FromStr;
 
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
 mod socket;
 pub use socket::{Socket, SOCKET_PATH_ENV};
 
 /// Request from client to niri.
-#[derive(Debug, Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone, JsonSchema)]
 pub enum Request {
     /// Request the version string for the running niri instance.
     Version,
@@ -50,7 +51,7 @@ pub enum Request {
 pub type Reply = Result<Response, String>;
 
 /// Successful response from niri to client.
-#[derive(Debug, Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone, JsonSchema)]
 pub enum Response {
     /// A request that does not need a response was handled successfully.
     Handled,
@@ -73,7 +74,7 @@ pub enum Response {
 /// Actions that niri can perform.
 // Variants in this enum should match the spelling of the ones in niri-config. Most, but not all,
 // variants from niri-config should be present here.
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, JsonSchema)]
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[cfg_attr(feature = "clap", command(subcommand_value_name = "ACTION"))]
 #[cfg_attr(feature = "clap", command(subcommand_help_heading = "Actions"))]
@@ -277,7 +278,7 @@ pub enum Action {
 }
 
 /// Change in window or column size.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, JsonSchema)]
 pub enum SizeChange {
     /// Set the size in logical pixels.
     SetFixed(i32),
@@ -290,7 +291,7 @@ pub enum SizeChange {
 }
 
 /// Workspace reference (index or name) to operate on.
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, JsonSchema)]
 pub enum WorkspaceReferenceArg {
     /// Index of the workspace.
     Index(u8),
@@ -299,7 +300,7 @@ pub enum WorkspaceReferenceArg {
 }
 
 /// Layout to switch to.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, JsonSchema)]
 pub enum LayoutSwitchTarget {
     /// The next configured layout.
     Next,
@@ -310,7 +311,7 @@ pub enum LayoutSwitchTarget {
 /// Output actions that niri can perform.
 // Variants in this enum should match the spelling of the ones in niri-config. Most thigs from
 // niri-config should be present here.
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, JsonSchema)]
 #[cfg_attr(feature = "clap", derive(clap::Parser))]
 #[cfg_attr(feature = "clap", command(subcommand_value_name = "ACTION"))]
 #[cfg_attr(feature = "clap", command(subcommand_help_heading = "Actions"))]
@@ -361,7 +362,7 @@ pub enum OutputAction {
 }
 
 /// Output mode to set.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, JsonSchema)]
 pub enum ModeToSet {
     /// Niri will pick the mode automatically.
     Automatic,
@@ -370,7 +371,7 @@ pub enum ModeToSet {
 }
 
 /// Output mode as set in the config file.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, JsonSchema)]
 pub struct ConfiguredMode {
     /// Width in physical pixels.
     pub width: u16,
@@ -381,7 +382,7 @@ pub struct ConfiguredMode {
 }
 
 /// Output scale to set.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, JsonSchema)]
 pub enum ScaleToSet {
     /// Niri will pick the scale automatically.
     Automatic,
@@ -390,7 +391,7 @@ pub enum ScaleToSet {
 }
 
 /// Output position to set.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, JsonSchema)]
 #[cfg_attr(feature = "clap", derive(clap::Subcommand))]
 #[cfg_attr(feature = "clap", command(subcommand_value_name = "POSITION"))]
 #[cfg_attr(feature = "clap", command(subcommand_help_heading = "Position Values"))]
@@ -404,7 +405,7 @@ pub enum PositionToSet {
 }
 
 /// Output position as set in the config file.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, JsonSchema)]
 #[cfg_attr(feature = "clap", derive(clap::Args))]
 pub struct ConfiguredPosition {
     /// Logical X position.
@@ -414,7 +415,7 @@ pub struct ConfiguredPosition {
 }
 
 /// Connected output.
-#[derive(Debug, Serialize, Deserialize, Clone)]
+#[derive(Debug, Serialize, Deserialize, Clone, JsonSchema)]
 pub struct Output {
     /// Name of the output.
     pub name: String,
@@ -441,7 +442,7 @@ pub struct Output {
 }
 
 /// Output mode.
-#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq)]
+#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq, JsonSchema)]
 pub struct Mode {
     /// Width in physical pixels.
     pub width: u16,
@@ -454,7 +455,7 @@ pub struct Mode {
 }
 
 /// Logical output in the compositor's coordinate space.
-#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq)]
+#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq, JsonSchema)]
 pub struct LogicalOutput {
     /// Logical X position.
     pub x: i32,
@@ -471,7 +472,7 @@ pub struct LogicalOutput {
 }
 
 /// Output transform, which goes counter-clockwise.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, JsonSchema)]
 #[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
 pub enum Transform {
     /// Untransformed.
@@ -499,7 +500,7 @@ pub enum Transform {
 }
 
 /// Toplevel window.
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, JsonSchema)]
 pub struct Window {
     /// Title, if set.
     pub title: Option<String>,
@@ -508,7 +509,7 @@ pub struct Window {
 }
 
 /// Output configuration change result.
-#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, JsonSchema)]
 pub enum OutputConfigChanged {
     /// The target output was connected and the change was applied.
     Applied,
@@ -517,7 +518,7 @@ pub enum OutputConfigChanged {
 }
 
 /// A workspace.
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, JsonSchema)]
 pub struct Workspace {
     /// Index of the workspace on its monitor.
     ///