PostZen for ChatGPT
dev.postzen/postzen
Schedule and publish social posts, manage the inbox, and read analytics across 10 platforms
client:ChatGPT
transport:streamable-http
Install PostZen in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.postzen.dev/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs