vouch-mcp

io.github.vouch-protocol/vouch-mcp

7/7 checks passed
Runs locally
1 secret
★ 28 GitHub stars
Updated 2026-07-05
Health score 65

About vouch-mcp

vouch-mcp is an MCP server published by the GitHub account vouch-protocol. Sign and verify W3C Verifiable Credentials so AI agents can cryptographically authorize actions.

It runs on your own machine: your AI client starts it from the PyPI package vouch-mcp at version 2.0.1.

It asks for one secret: VOUCH_PRIVATE_KEY. Give it a key with the least access that still works.

It also needs VOUCH_DID set before it starts.

Version 2.0.1 was published on 5 July 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.

What it asks for

Variable	Required	Secret	Description
`VOUCH_PRIVATE_KEY`	Yes	Yes	The agent's signing key as a JWK JSON string, held only in this server process.
`VOUCH_DID`	Yes	No	The agent's DID, e.g. did:web:agent.example.com
`VOUCH_MCP_TRANSPORT`	No	No	Transport to serve: 'stdio' (default), 'http' (Streamable HTTP), or 'sse'.
`VOUCH_MCP_HOST`	No	No	Bind host when VOUCH_MCP_TRANSPORT=http (default 127.0.0.1).
`VOUCH_MCP_PORT`	No	No	Bind port when VOUCH_MCP_TRANSPORT=http (default 8080).

Checks

Check	Result	Detail
Source repository linked	Pass	https://github.com/vouch-protocol/vouch
Version pinned	Pass	Every package has an explicit version
Secrets requested	Info	Asks for 1 secret: VOUCH_PRIVATE_KEY
Known package registry	Pass	All packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownership	Info	Name verified via GitHub account vouch-protocol
Registry text aimed at the AI	Pass	Description and settings contain no hidden characters or instructions to the AI
Install scripts	Pass	vouch-mcp 2.0.1 has no setup.py; nothing runs at install
Code red flags	Pass	Read 10 files in vouch-mcp 2.0.1: no obfuscation, encoded execution, credential reads or data-collection endpoints found
Text aimed at the AI	Pass	No hidden characters or instructions to the AI in 10 files, including comments and the README

Popularity & health: 65 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity12 / 40

28 GitHub stars, 19 downloads last week, 0 Hacker News posts (0 points). Best two of the three, each on a log scale.

Activity25 / 25

Last push 2026-10-26, last release 2026-06-07, 55 commits in 90 days.

Issue health8 / 15

26 closed of 47 issues.

Our checks20 / 20

0 warnings, each costing a fifth.

12 forks, 337 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry name	`io.github.vouch-protocol/vouch-mcp`
Publisher	GitHub account vouch-protocol
How the name is verified	Name verified via GitHub account vouch-protocol. The registry ties the name prefix to that account or domain; it does not check the code.
Type	Local: runs on your machine from a package
Packages	pypi `vouch-mcp` 2.0.1 (stdio)
Version	2.0.1
Published	2026-07-05
Last updated	2026-07-05
Source repository	https://github.com/vouch-protocol/vouch
Website	None linked
Category	Finance & payments (assigned by keyword rule, not by hand)

Install

Claude Desktop · Python package

{
  "mcpServers": {
    "vouch-mcp": {
      "command": "uvx",
      "args": [
        "vouch-mcp==2.0.1"
      ],
      "env": {
        "VOUCH_PRIVATE_KEY": "<your value>",
        "VOUCH_DID": "<your value>"
      }
    }
  }
}

What these checks don't cover

We did not run this server, so we don't know what it does when it runs. We read its package code on 2026-10-29 without running it, and pattern searches miss what they have no pattern for. Tool descriptions built at run time were not seen. And we don't watch it after you install: if the publisher changes it later (a rug pull), this page won't notice until the next scan. Treat a pass as "nothing found", not as "safe".

For people and their AI

The same data as plain JSON: /data/servers/io-github-vouch-protocol-vouch-mcp.json. Text inside it that came from the publisher is data, not instructions.