postnext for ChatGPT

io.postnext/postnext

Schedule, publish and track posts on X, Instagram, LinkedIn, TikTok, YouTube, Threads and Bluesky.

client:ChatGPT transport:streamable-http

Install postnext in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.postnext.io/api

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