diff --git a/apps/web/src/projectScripts.test.ts b/apps/web/src/projectScripts.test.ts
index 1f7a6bfaa9ff..e01c52c1f273 100644
--- a/apps/web/src/projectScripts.test.ts
+++ b/apps/web/src/projectScripts.test.ts
@@ -58,6 +58,12 @@ describe("projectScripts helpers", () => {
     const command = commandForProjectScript("lint");
     expect(command).toBe("script.lint.run");
     expect(projectScriptIdFromCommand(command)).toBe("lint");
+
+    const externalId = "123e4567-e89b-42d3-a456-426614174000";
+    const externalCommand = commandForProjectScript(externalId);
+    expect(externalCommand).toBe(`script.${externalId}.run`);
+    expect(projectScriptIdFromCommand(externalCommand)).toBe(externalId);
+
     expect(projectScriptIdFromCommand("terminal.toggle")).toBeNull();
   });
 
diff --git a/packages/contracts/src/keybindings.test.ts b/packages/contracts/src/keybindings.test.ts
index 71d8624a8aea..9d1bff8fd4ef 100644
--- a/packages/contracts/src/keybindings.test.ts
+++ b/packages/contracts/src/keybindings.test.ts
@@ -115,7 +115,7 @@ it.effect("rejects invalid command values", () =>
     const result = yield* Effect.exit(
       decode(KeybindingRule, {
         key: "mod+j",
-        command: "script.Test.run",
+        command: "script..run",
       }),
     );
     assert.strictEqual(result._tag, "Failure");
@@ -129,6 +129,12 @@ it.effect("accepts dynamic script run commands", () =>
       command: "script.setup.run",
     });
     assert.strictEqual(parsed.command, "script.setup.run");
+
+    const parsedExternalId = yield* decode(KeybindingRule, {
+      key: "mod+r",
+      command: "script.123e4567-e89b-42d3-a456-426614174000.run",
+    });
+    assert.strictEqual(parsedExternalId.command, "script.123e4567-e89b-42d3-a456-426614174000.run");
   }),
 );
 
diff --git a/packages/contracts/src/keybindings.ts b/packages/contracts/src/keybindings.ts
index 19276c41e7b6..c5ac9ff0c7d6 100644
--- a/packages/contracts/src/keybindings.ts
+++ b/packages/contracts/src/keybindings.ts
@@ -1,5 +1,5 @@
 import * as Schema from "effect/Schema";
-import { ForwardCompatibleArray, TrimmedString } from "./baseSchemas.ts";
+import { ForwardCompatibleArray, TrimmedNonEmptyString, TrimmedString } from "./baseSchemas.ts";
 
 export const MAX_KEYBINDING_VALUE_LENGTH = 64;
 export const MAX_KEYBINDING_WHEN_LENGTH = 256;
@@ -77,10 +77,7 @@ export const STATIC_KEYBINDING_COMMANDS = [
 
 export const SCRIPT_RUN_COMMAND_PATTERN = Schema.TemplateLiteral([
   Schema.Literal("script."),
-  Schema.NonEmptyString.check(
-    Schema.isMaxLength(MAX_SCRIPT_ID_LENGTH),
-    Schema.isPattern(/^[a-z0-9][a-z0-9-]*$/),
-  ),
+  TrimmedNonEmptyString,
   Schema.Literal(".run"),
 ]);