Signed Investors for ChatGPT

com.signed/investors

Search Signed's public angel investor directory by sector, check size, or keyword. No login needed.

client:ChatGPT transport:streamable-http tools:7

Install Signed Investors in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.signed.com/investors

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