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vouch

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

Python

★ 27 stars Last pushed 2026-09-21 License: NOASSERTION

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Review any command before running it. Package names and URLs come from the server's own registry entry.

Package (pypi 2.0.1)

uvx vouch-mcp

Or add to your MCP client config:

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

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 — Transport to serve: 'stdio' (default), 'http' (Streamable HTTP), or 'sse'.
VOUCH_MCP_HOST — Bind host when VOUCH_MCP_TRANSPORT=http (default 127.0.0.1).
VOUCH_MCP_PORT — Bind port when VOUCH_MCP_TRANSPORT=http (default 8080).