Postemi: Social Media Scheduler for ChatGPT
com.postemi/postemi
Write, preview and schedule social media posts to 37 platforms and apps, from Instagram to Bluesky.
client:ChatGPT
transport:streamable-http
Install Postemi: Social Media Scheduler in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.postemi.com/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs