mcp-openai

Author: mzxrai

Description: Chat with OpenAI models from Claude Desktop – an MCP server that proxies Claude requests to OpenAI’s Chat Completion API.

Stars: 54

Forks: 20

License: MIT License

Category: Open Source

Overview

1. Clone the repository

git clone https://github.com/mzxrai/mcp-openai.git
cd mcp-openai

2. Install dependencies (Node.js ≥18)

npm install # or yarn

3. Provide your OpenAI credentials

• Create a .env file (or export env var) containing

• Optionally set OPENAI_API_BASE=https://api.openai.com/v1

OPENAI_API_KEY=sk-...
              OPENAI_MODEL=gpt-4o

4. Start the local MCP server

npm start # starts server on default port 6111

5. Point Claude Desktop (or any MCP client) to ws://localhost:6111

Sends messages to OpenAI's chat completion API

License: MIT License

Updated 7/30/2025