Vouch Protocol Vouch

stdio

Sign and verify W3C Verifiable Credentials so AI agents can cryptographically authorize actions.

Getting Started

npx @getmcp/cli add io.github.vouch-protocol/vouch-mcp

Requires Python 3.10+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

VOUCH_PRIVATE_KEY
The agent's signing key as a JWK JSON string, held only in this server process.
VOUCH_DID
The agent's DID, e.g. did:web:agent.example.com

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.vouch-protocol/vouch-mcp": {
      "command": "uvx",
      "args": [
        "vouch-mcp"
      ],
      "env": {
        "VOUCH_PRIVATE_KEY": "",
        "VOUCH_DID": "",
        "VOUCH_MCP_TRANSPORT": "",
        "VOUCH_MCP_HOST": "",
        "VOUCH_MCP_PORT": ""
      }
    }
  }
}

Claude Desktop MCP documentation