Mamitsu MCP for ChatGPT

com.usemamitsu/mcp

OAuth-enabled MCP server that extracts structured data from public social media posts.

client:ChatGPT transport:streamable-http

Install Mamitsu MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://usemamitsu.com/mcp

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