How do I install Countersign?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Countersign official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

Countersign MCP Server

Name: Countersign MCP Server
Author: countersign-network

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

Tools Versions Alternatives

Registrycountersign-network

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "countersign-network-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@countersign/mcp@0.2.2"
      ],
      "env": {
        "COUNTERSIGN_URL": "https://app.countersign.network",
        "COUNTERSIGN_API_KEY": "YOUR_COUNTERSIGN_API_KEY"
      }
    }
  }
}

Install guide

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Countersign MCP Server | MCPpedia

Environment

Name	Required	Notes
COUNTERSIGN_URL	Yes	Base URL of the Countersign Core to govern (hosted or self-hosted).
COUNTERSIGN_API_KEY	Yes	API key for the Core (self-serve one at https://app.countersign.network/start or POST /signup). Secret.

Countersign MCP Server

Install

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