Shut down the MCP server when the dev session stops

Author: myftija

packages/cli-v3/src/dev/devSession.ts

@@ -23,7 +23,7 @@ import { logger } from "../utilities/logger.js";
 import { clearTmpDirs, EphemeralDirectory, getTmpDir } from "../utilities/tempDirectories.js";
 import { startDevOutput } from "./devOutput.js";
 import { startWorkerRuntime } from "./devSupervisor.js";
-import { startMcpServer } from "./mcpServer.js";
+import { startMcpServer, stopMcpServer } from "./mcpServer.js";
 
 export type DevSessionOptions = {
   name: string | undefined;
@@ -202,7 +202,7 @@ export async function startDevSession({
       stopBundling?.().catch((error) => {});
       runtime.shutdown().catch((error) => {});
       stopOutput();
-      // TODO: stop MCP server
+      stopMcpServer();
     },
   };
 }

packages/cli-v3/src/dev/mcpServer.ts

@@ -167,3 +167,9 @@ export const startMcpServer = async (options: {
     logger.info(`Trigger.dev MCP Server is now running on port ${options.port} ✨`);
   });
 };
+
+export const stopMcpServer = () => {
+  app.server?.close(() => {
+    logger.info(`Trigger.dev MCP Server is now stopped`);
+  });
+};