OpenAI Apps MCP - Build ChatGPT Apps with MCP Servers on Cloudflare Workers
Create MCP servers to extend ChatGPT with custom tools and interactive widgets
Tags
Updated: 2026-02-09Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Build MCP server
- Configure CORS policies
- Deploy widgets
- Setup Cloudflare Workers
- Troubleshoot MCP integration
- Handle SSE connections
Inputs
- Cloudflare account
- Node.js environment
- MCP SDK
- HTML/JS widget files
- wrangler.jsonc configuration
Outputs
- Deployed MCP endpoint
- HTML widget files
- JSON-RPC 2.0 API
- Serverless worker
Requirements
- Cloudflare Workers environment
- Node.js 18+
- MCP SDK 1.25.3+
- Business/Enterprise/Edu ChatGPT plan