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Vouch MCP Server

local only

Vouch runs on your own machine — the client starts it, so there is no endpoint to ping. 107 installs a week from pypi. Last commit 31 Jul 2026.

Git-native, review-gated knowledge base for LLM agents. Cited retrieval, audited writes.

Installs per day peak 43 · avg 16 · -6% w/w
a month agotoday
107
Installs / week
pypi · vouch-kb
92
Stars
22 open issues
31 Jul 2026
Last commit
0 releases in 90 days
MIT
License
Python

What the code does

We read the source, 22 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Builds a database query by concatenation src/vouch/strategies/configured.py:154
            is_update = bool(_UPDATE.search(text))
            danger = 1.0 + p.danger_scale * overlap
            __import__(name)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add vouch -- uvx vouch-kb
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "vouch": {
      "args": [
        "vouch-kb"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.vouch]
command = "uvx"
args = ["vouch-kb"]
.cursor/mcp.json
{
  "mcpServers": {
    "vouch": {
      "args": [
        "vouch-kb"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "vouch": {
      "args": [
        "vouch-kb"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: VOUCH_KB_PATH (Absolute path to the .vouch directory; if unset, vouch walks up from the cwd to find it.). The author declared them in the registry entry; get the values from the project itself.

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Vouch — questions

Answers built from our own checks of this server.

Why is there no uptime for Vouch?
Vouch runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package vouch-kb was installed 107 times last week.
How do I connect Vouch?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls vouch-kb straight from pypi; nothing to host, nothing to sign up for.
How many people use Vouch?
The pypi package vouch-kb was installed 107 times in the last week. Week over week that is -6%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Vouch open source?
Yes — it is published under the MIT licence, written in Python, 92 stars on GitHub and 22 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.