feat: enable mcp exports for cloudflare workers (#435)

Author: threepointone

.changeset/tasty-wings-fry.md

@@ -0,0 +1,5 @@
+---
+'@openai/agents-core': patch
+---
+
+feat: enable mcp exports for cloudflare workers

packages/agents-core/src/shims/shims-workerd.ts

@@ -59,13 +59,13 @@ export function isTracingLoopRunningByDefault(): boolean {
 }
 
 /**
- * Right now Cloudflare Workers does not support MCP
+ * Use the Node versions of MCP helpers
  */
 export {
-  MCPServerStdio,
-  MCPServerStreamableHttp,
-  MCPServerSSE,
-} from './mcp-server/browser';
+  NodeMCPServerStdio as MCPServerStdio,
+  NodeMCPServerStreamableHttp as MCPServerStreamableHttp,
+  NodeMCPServerSSE as MCPServerSSE,
+} from './mcp-server/node';
 
 export { clearTimeout, setTimeout } from 'node:timers';