OpenAI SDK Knowledge MCP Server

OpenAI SDK Knowledge MCP Server (unofficial)

An MCP server that knows the OpenAI API inside and out. 100% TypeScript built with OpenAI Agents SDK, Hono, Cloudflare Workers, and Drizzle ORM. Powered by RAG and ready to answer your technical questions.

Developer Highlights

Cloudflare stack: Fully leverages Cloudflare Workers, Queues, D1, Vectorize, and AI Gateway.
Streamable HTTP MPC Server: Compatible with any MPC clients.
ChatGPT Deep Research connector: Meets ChatGPT's Deep Research connector requirements.
Always updated: Continuously fetches OpenAI repos and community forums for new content.
Rapidly built with AI: Developed hand in hand with various AI coding tools.

Streamable HTTP MCP Server

Use a publicly accessible URL (e.g., ngrok, Cloudflare Tunnel) to serve the endpoints for MCP clients. You can generate the token on the top page:

{
  "mcpServers": {
    "openai-sdk-knowledge.org": {
      "type": "streamable-http",
      "url": "https://openai-sdk-knowledge.org/mcp",
      "headers": {
        "Authorization": "Bearer {your api key here}"
      }
    }
  }
}

For example, you can add this MCP server to Cursor:

Not only Cursor—you can use this MCP server with any other tools supporting MCP server connections.

OpenAI Responses API's Hosted MCP Server Tool

You can pass https://openai-sdk-knowledge.org/mcp along with a valid API token:

Then, you can call the tool in the conversation with the Responses API agent:

ChatGPT Deep Research MCP Connector

Also, for ChatGPT Deep Research customer connector, use the same URL. When the ChatGPT server accesses this app's MCP server endpoint, it returns search and fetch tools as well (see the documentation for details).

Run Locally

# Clone and install
git clone https://github.com/seratch/openai-sdk-knowledge-org.git
cd openai-sdk-knowledge-org/
npm install

# Configure (add your OpenAI API key)
cp .dev.vars.example .dev.vars
# Edit .dev.vars: OPENAI_API_KEY=sk-your-key-here

# Run it
npm run dev

You can access http://localhost:8787 and see how it works.

Requirements: Node.js 22+ and API keys (OpenAI, GitHub)

Architecture

This app is essentially a simple web app that runs on Cloudflare Workers. The web app provides MCP server protocol compatible endpoints, as well as a web user interface. For the RAG data pipeline, it collects data from sources and generates asynchronous tasks to run and enqueue them into Cloudflare’s Queue.

src/
├── agents/          # Internally used agents built with OpenAI Agents SDK
├── pipeline/        # RAG data collection and processing
├── server/mcp/      # MCP protocol implementation
├── server/web/      # Web app implementation
├── storage/         # Vector database (Vectorize) and D1 database access
└── index.ts         # App entry point

License

MIT

This server cannot be installed

security - not tested

license - permissive license

quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

An MCP server that provides deep knowledge about OpenAI APIs and SDKs, enabling users to query technical information through various MCP clients including ChatGPT Deep Research, Cursor, and OpenAI Responses API.

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