diff --git a/pkgs/applications/display-managers/greetd/gtkgreet.nix b/pkgs/applications/display-managers/greetd/gtkgreet.nix
index 77ddda933710..39beea377e1e 100644
--- a/pkgs/applications/display-managers/greetd/gtkgreet.nix
+++ b/pkgs/applications/display-managers/greetd/gtkgreet.nix
@@ -49,5 +49,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ luc65r ];
     platforms = platforms.linux;
+    mainProgram = "gtkgreet";
   };
 }
diff --git a/pkgs/applications/terminal-emulators/foot/default.nix b/pkgs/applications/terminal-emulators/foot/default.nix
index c2d817b4d576..507270874113 100644
--- a/pkgs/applications/terminal-emulators/foot/default.nix
+++ b/pkgs/applications/terminal-emulators/foot/default.nix
@@ -219,5 +219,6 @@ stdenv.mkDerivation rec {
     # TERMINFO to a store path, but allows installing foot.terminfo
     # on remote systems for proper foot terminfo support.
     priority = (ncurses.meta.priority or 5) + 3 + 1;
+    mainProgram = "foot";
   };
 }
diff --git a/pkgs/applications/video/kooha/default.nix b/pkgs/applications/video/kooha/default.nix
index b1652da73c04..bda712cac113 100644
--- a/pkgs/applications/video/kooha/default.nix
+++ b/pkgs/applications/video/kooha/default.nix
@@ -73,5 +73,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Only;
     platforms = platforms.linux;
     maintainers = with maintainers; [ austinbutler ];
+    mainProgram = "kooha";
   };
 }
diff --git a/pkgs/applications/window-managers/hyprwm/hyprpaper/default.nix b/pkgs/applications/window-managers/hyprwm/hyprpaper/default.nix
index 11b03bdb3041..f329c0ea7fbd 100644
--- a/pkgs/applications/window-managers/hyprwm/hyprpaper/default.nix
+++ b/pkgs/applications/window-managers/hyprwm/hyprpaper/default.nix
@@ -60,5 +60,6 @@ stdenv.mkDerivation (finalAttrs: {
     maintainers = with maintainers; [ wozeparrot fufexan ];
     inherit (wayland.meta) platforms;
     broken = stdenv.isDarwin;
+    mainProgram = "hyprpaper";
   };
 })
diff --git a/pkgs/applications/window-managers/sway/default.nix b/pkgs/applications/window-managers/sway/default.nix
index f8efab159c28..6e11d842fe92 100644
--- a/pkgs/applications/window-managers/sway/default.nix
+++ b/pkgs/applications/window-managers/sway/default.nix
@@ -96,5 +96,6 @@ stdenv.mkDerivation (finalAttrs: {
     license     = licenses.mit;
     platforms   = platforms.linux;
     maintainers = with maintainers; [ primeos synthetica ];
+    mainProgram = "sway";
   };
 })
diff --git a/pkgs/development/node-packages/main-programs.nix b/pkgs/development/node-packages/main-programs.nix
index 494a69e8a3c2..847aecbe4477 100644
--- a/pkgs/development/node-packages/main-programs.nix
+++ b/pkgs/development/node-packages/main-programs.nix
@@ -71,6 +71,7 @@
   s3http = "s3http.js";
   svelte-language-server = "svelteserver";
   teck-programmer = "teck-firmware-upgrade";
+  typescript-language-server = "typescript-language-server";
   uglify-js = "uglifyjs";
   undollar = "$";
   vsc-leetcode-cli = "leetcode";
diff --git a/pkgs/development/tools/jaq/default.nix b/pkgs/development/tools/jaq/default.nix
index 4ee02d0a514f..b176869aa084 100644
--- a/pkgs/development/tools/jaq/default.nix
+++ b/pkgs/development/tools/jaq/default.nix
@@ -28,5 +28,6 @@ rustPlatform.buildRustPackage rec {
     changelog = "https://github.com/01mf02/jaq/releases/tag/${src.rev}";
     license = licenses.mit;
     maintainers = with maintainers; [ figsoda siraben ];
+    mainProgram = "jaq";
   };
 }
diff --git a/pkgs/shells/fish/default.nix b/pkgs/shells/fish/default.nix
index a6284298155c..4df95a9ca6fe 100644
--- a/pkgs/shells/fish/default.nix
+++ b/pkgs/shells/fish/default.nix
@@ -299,6 +299,7 @@ let
       license = licenses.gpl2;
       platforms = platforms.unix;
       maintainers = with maintainers; [ cole-h winter srapenne ];
+      mainProgram = "fish";
     };
 
     passthru = {
diff --git a/pkgs/tools/audio/playerctl/default.nix b/pkgs/tools/audio/playerctl/default.nix
index d9f408bf9eda..b28ab390e01c 100644
--- a/pkgs/tools/audio/playerctl/default.nix
+++ b/pkgs/tools/audio/playerctl/default.nix
@@ -23,5 +23,6 @@ stdenv.mkDerivation rec {
     platforms = platforms.unix;
     maintainers = with maintainers; [ puffnfresh ];
     broken = stdenv.hostPlatform.isDarwin;
+    mainProgram = "playerctl";
   };
 }
diff --git a/pkgs/tools/misc/starship/default.nix b/pkgs/tools/misc/starship/default.nix
index fa88b633d219..b8f7e8cdbf36 100644
--- a/pkgs/tools/misc/starship/default.nix
+++ b/pkgs/tools/misc/starship/default.nix
@@ -52,5 +52,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://starship.rs";
     license = licenses.isc;
     maintainers = with maintainers; [ bbigras danth davidtwco Br1ght0ne Frostman marsam ];
+    mainProgram = "starship";
   };
 }
diff --git a/pkgs/tools/networking/curl/default.nix b/pkgs/tools/networking/curl/default.nix
index fd5ad84abf69..30f00df912c4 100644
--- a/pkgs/tools/networking/curl/default.nix
+++ b/pkgs/tools/networking/curl/default.nix
@@ -196,5 +196,6 @@ stdenv.mkDerivation (finalAttrs: {
     # Fails to link against static brotli or gss
     broken = stdenv.hostPlatform.isStatic && (brotliSupport || gssSupport);
     pkgConfigModules = [ "libcurl" ];
+    mainProgram = "curl";
   };
 })
diff --git a/pkgs/tools/networking/socat/default.nix b/pkgs/tools/networking/socat/default.nix
index 00c0ad7bd131..c34aa7ab4c22 100644
--- a/pkgs/tools/networking/socat/default.nix
+++ b/pkgs/tools/networking/socat/default.nix
@@ -41,5 +41,6 @@ stdenv.mkDerivation rec {
     platforms = platforms.unix;
     license = with licenses; [ gpl2Only ];
     maintainers = with maintainers; [ eelco ];
+    mainProgram = "socat";
   };
 }
diff --git a/pkgs/tools/security/yubikey-touch-detector/default.nix b/pkgs/tools/security/yubikey-touch-detector/default.nix
index 9e66a5ffd5a8..26402caa812b 100644
--- a/pkgs/tools/security/yubikey-touch-detector/default.nix
+++ b/pkgs/tools/security/yubikey-touch-detector/default.nix
@@ -49,5 +49,6 @@ buildGoModule rec {
     maintainers = with maintainers; [ sumnerevans ];
     license = with licenses; [ bsd2 isc ];
     platforms = platforms.linux;
+    mainProgram = "yubikey-touch-detector";
   };
 }
diff --git a/pkgs/tools/wayland/wtype/default.nix b/pkgs/tools/wayland/wtype/default.nix
index 5928b9dd489d..f9461ef7613b 100644
--- a/pkgs/tools/wayland/wtype/default.nix
+++ b/pkgs/tools/wayland/wtype/default.nix
@@ -31,5 +31,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = with maintainers; [ justinlovinger ];
+    mainProgram = "wtype";
   };
 }