Spreadcast for ChatGPT

app.spreadcast/mcp

Create branded social media posts and carousels, then schedule and publish them from AI chat.

client:ChatGPT transport:streamable-http

Install Spreadcast in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://spreadcast.app/api/mcp

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