senders mcp for ChatGPT

io.github.dame-senders/senders-mcp

Cold email infrastructure — campaigns, prospects, mailbox health and replies via Claude.

client:ChatGPT transport:streamable-http

Install senders mcp in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.senders.ai/mcp

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