Magicalink by AgentTransmit for ChatGPT

com.agenttransmit/magicalink

Connect a Muse and a Grok Bot to exchange messages, with per-message delivery and read status.

client:ChatGPT transport:streamable-http

Install Magicalink by AgentTransmit in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.agenttransmit.com/mcp

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