Hookpost for ChatGPT

in.hookstep/hookpost

Draft and schedule social media posts on your connected channels from Claude or any MCP client.

client:ChatGPT transport:streamable-http

Install Hookpost in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://hookpost.hookstep.in/api/mcp

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