Vouch MCP Server: Install & Setup

Install Vouch in Claude Code

Claude Code

claude mcp add vouch -e VOUCH_PRIVATE_KEY=... -e VOUCH_DID=... -- uvx vouch-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "vouch": {
      "command": "uvx",
      "args": [
        "vouch-mcp"
      ],
      "env": {
        "VOUCH_PRIVATE_KEY": "...",
        "VOUCH_DID": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Vouch MCP server do?

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

Is the Vouch MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Vouch run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Vouch to Claude Code?

Run: claude mcp add vouch -e VOUCH_PRIVATE_KEY=... -e VOUCH_DID=... -- uvx vouch-mcp

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