Skip to content
mcp/harbor
Verified official

Countersign MCP

v0.2.2

io.github.countersign-network/countersign

Kill switch + spend guard for AI agents that spend money, across every wallet vendor at once.

transport:stdio runtime:npm
View source Website

Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add countersign -e COUNTERSIGN_URL=<COUNTERSIGN_URL> -e COUNTERSIGN_API_KEY=<COUNTERSIGN_API_KEY> -- npx -y @countersign/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.