PostRelay for ChatGPT

io.post-relay/postrelay

Let your AI post one approved creative to X, LinkedIn, Instagram, YouTube, TikTok and Facebook.

client:ChatGPT transport:streamable-http

Install PostRelay in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://post-relay.io/api/public/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs