Postify for ChatGPT

com.usepostify/postify

Schedule, publish, and analyze social posts across 11 platforms from any MCP client.

client:ChatGPT transport:streamable-http

Install Postify in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.usepostify.com/api/mcp

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