fix cors issue with accessing mcp-session-id header

2025-04-23 01:43:49 -07:00
parent 6e4dcd6120
commit 1ec4e3b556
1 changed files with 4 additions and 0 deletions
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -39,6 +39,10 @@ const { values } = parseArgs({

 const app = express();
 app.use(cors());
+app.use((req, res, next) => {
+  res.header("Access-Control-Expose-Headers", "mcp-session-id");
+  next();
+});

 const webAppTransports: Map<string, Transport> = new Map<string, Transport>(); // Transports by sessionId