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mcp/harbor
Verified official

signal MCP

v1.3.0

com.returnonsecurity/signal

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

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http signal https://mcp.returnonsecurity.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.