refd for ChatGPT
ai.refd/refd
Read AI search visibility, competitors, citations, prompts, and answer evidence from refd.
client:ChatGPT
transport:streamable-http
Install refd in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.refd.ai/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs