diff --git a/src/mcp-connector/src/s2w-router.js b/src/mcp-connector/src/s2w-router.js
index 7bbad0274..45ddc5bdb 100644
--- a/src/mcp-connector/src/s2w-router.js
+++ b/src/mcp-connector/src/s2w-router.js
@@ -104,7 +104,7 @@ function initS2w () {
         async handleOptions(request) {
             const corsHeaders = {
                 'Access-Control-Allow-Origin': '*',
-                'Access-Control-Allow-Methods': 'GET,HEAD,POST,OPTIONS',
+                'Access-Control-Allow-Methods': 'GET,HEAD,POST,PUT,DELETE,OPTIONS',
                 'Access-Control-Max-Age': '86400',
             };
             if (
diff --git a/src/worker/src/s2w-router.js b/src/worker/src/s2w-router.js
index 2309f163f..8eff035fd 100644
--- a/src/worker/src/s2w-router.js
+++ b/src/worker/src/s2w-router.js
@@ -77,7 +77,7 @@ function initS2w () {
         async handleOptions(request) {
             const corsHeaders = {
                 'Access-Control-Allow-Origin': '*',
-                'Access-Control-Allow-Methods': 'GET,HEAD,POST,OPTIONS',
+                'Access-Control-Allow-Methods': 'GET,HEAD,POST,PUT,DELETE,OPTIONS',
                 'Access-Control-Max-Age': '86400',
             };
             if (