signal for ChatGPT

com.returnonsecurity/signal

Cybersecurity market intelligence: funding rounds, M&A, investors, valuations, corporate lineage.

client:ChatGPT transport:streamable-http

Install signal in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.returnonsecurity.com/mcp

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