Koskamo

Vouchwell MCP

Vouchwell is a policy-gated proxy for MCP servers that records agent actions in a tamper-evident, cryptographically verifiable log. It intercepts tool calls to enforce policies before execution and provides read-only tools for agents to verify and export evidence bundles.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Vouchwell MCP logo, by AxonscapeCommunity listingLocal stdioSource reviewed; not executedPublished by Axonscape
You need:npm install -g vouchwell
Vendor documentation

What you can do with it

  • Enforce policy gates on MCP tool calls before execution
  • Record agent actions in a tamper-evident Merkle tree log
  • Verify agent audit logs using cryptographic signatures
  • Export evidence bundles for compliance and auditing

Source and maintenance

Community listingRegistry 0.8.0
mcp-registry: io.github.Vouchwell/vouchwell@0.8.0Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

vouchwell 0.8.0

npm
vouchwell package definition
{
  "version": "0.8.0",
  "transport": "stdio",
  "identifier": "vouchwell",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    },
    {
      "name": "--log",
      "type": "named",
      "format": "filepath",
      "description": "The Vouchwell log folder to serve. Default: .vouchwell in the working directory, or the log named by vouchwell.config.json."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "vouchwell-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "vouchwell@0.8.0",
        "mcp"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "vouchwell-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "vouchwell@0.8.0",
        "mcp"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "vouchwell-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "vouchwell@0.8.0",
        "mcp"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "vouchwell-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "vouchwell@0.8.0",
        "mcp"
      ]
    }
  }
}

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