posterly for ChatGPT
io.github.awpthorp/posterly
Validate, schedule, publish, and analyze social content across 18 platforms with posterly.
client:ChatGPT
transport:streamable-http
runtime:npm
Install posterly in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://www.poster.ly/api/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs