diff --git a/tools/mcp-bridge/package.json b/tools/mcp-bridge/package.json
index fd77963..eb70838 100644
--- a/tools/mcp-bridge/package.json
+++ b/tools/mcp-bridge/package.json
@@ -10,7 +10,7 @@
     "check": "npm run eslint",
     "test:all": "npm run check && npm run build && npm run test",
     "test:ci": "npm run test:all && npm run test:integration",
-    "dev": "tsx src/index.ts",
+    "dev": "tsx watch src/index.ts",
     "start": "npm run build && node dist/src/index.js",
     "test": "tsx --test test/*.test.ts",
     "test:integration": "tsx --test --test-concurrency=1 test-integration/*.test.ts"