Postpone for ChatGPT

app.postpone/api

Schedule and manage social media posts across connected platforms using natural language.

client:ChatGPT transport:streamable-http

Install Postpone in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.postpone.app/mcp

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