CrossPoster for ChatGPT

tech.crossposter/mcp

Draft, preview, schedule and publish posts to X, LinkedIn, Bluesky and 5 more social networks.

client:ChatGPT transport:streamable-http

Install CrossPoster in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.crossposter.tech/mcp

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