Countersign MCP Server

Countersign is an MCP integration. Kill switch + spend guard for AI agents that spend money, across every wallet vendor at once.

Packages and local setup

The published npm package is @countersign/mcp, version 0.2.2. Its declared MCP transport is stdio.

The package declares COUNTERSIGN_URL (required): Base URL of the Countersign Core to govern (hosted or self-hosted).; COUNTERSIGN_API_KEY (required): API key for the Core (self-serve one at https://app.countersign.network/start or POST /signup)..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.2.2 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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