Signed for ChatGPT

com.signed/signed

Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account.

client:ChatGPT transport:streamable-http

Install Signed in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.signed.com

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