Vouch Mcp

io.github.vouch-protocol/vouch-mcp · v3.0.0

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

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add vouch-mcp -e VOUCH_PRIVATE_KEY=<VOUCH_PRIVATE_KEY> -e VOUCH_DID=<VOUCH_DID> -e VOUCH_MCP_TRANSPORT=<VOUCH_MCP_TRANSPORT> -e VOUCH_MCP_HOST=<VOUCH_MCP_HOST> -e VOUCH_MCP_PORT=<VOUCH_MCP_PORT> -- uvx vouch-mcp==3.0.0

claude_desktop_config.json

{
  "mcpServers": {
    "vouch-mcp": {
      "command": "uvx",
      "args": [
        "vouch-mcp==3.0.0"
      ],
      "env": {
        "VOUCH_PRIVATE_KEY": "<VOUCH_PRIVATE_KEY>",
        "VOUCH_DID": "<VOUCH_DID>",
        "VOUCH_MCP_TRANSPORT": "<VOUCH_MCP_TRANSPORT>",
        "VOUCH_MCP_HOST": "<VOUCH_MCP_HOST>",
        "VOUCH_MCP_PORT": "<VOUCH_MCP_PORT>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "vouch-mcp": {
      "command": "uvx",
      "args": [
        "vouch-mcp==3.0.0"
      ],
      "env": {
        "VOUCH_PRIVATE_KEY": "<VOUCH_PRIVATE_KEY>",
        "VOUCH_DID": "<VOUCH_DID>",
        "VOUCH_MCP_TRANSPORT": "<VOUCH_MCP_TRANSPORT>",
        "VOUCH_MCP_HOST": "<VOUCH_MCP_HOST>",
        "VOUCH_MCP_PORT": "<VOUCH_MCP_PORT>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "vouch-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "vouch-mcp==3.0.0"
      ],
      "env": {
        "VOUCH_PRIVATE_KEY": "<VOUCH_PRIVATE_KEY>",
        "VOUCH_DID": "<VOUCH_DID>",
        "VOUCH_MCP_TRANSPORT": "<VOUCH_MCP_TRANSPORT>",
        "VOUCH_MCP_HOST": "<VOUCH_MCP_HOST>",
        "VOUCH_MCP_PORT": "<VOUCH_MCP_PORT>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`VOUCH_PRIVATE_KEY` Required, secret	The agent's signing key as a JWK JSON string, held only in this server process.
`VOUCH_DID` Required	The agent's DID, e.g. did:web:agent.example.com
`VOUCH_MCP_TRANSPORT` Optional	Transport to serve: 'stdio' (default), 'http' (Streamable HTTP), or 'sse'.
`VOUCH_MCP_HOST` Optional	Bind host when VOUCH_MCP_TRANSPORT=http (default 127.0.0.1).
`VOUCH_MCP_PORT` Optional	Bind port when VOUCH_MCP_TRANSPORT=http (default 8080).

Details

Package	`[email protected]` (PYPI, stdio)
First published	10 Nov 2026
Last updated	10 Nov 2026
Registry name	`io.github.vouch-protocol/vouch-mcp`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

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