Koskamo

gonzalgo MCP

A tool for axiom provenance in Lean 4 and Metamath that identifies which specific step in a proof introduced an axiom, distinguishes between statement and proof dependencies, and audits for inherited 'sorry' placeholders or compiler trust.

Package and access

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

gonzalgo MCP logo, by F-KeysCommunity listingLocal stdioSource reviewed; not executedPublished by F-Keys
You need:pip install gonzalgo
Vendor documentation

What you can do with it

  • Identify the exact tactic or lemma that introduced an axiom like Classical.choice
  • Audit a project to find all theorems depending on an upstream 'sorry'
  • Determine if a theorem can be restated without relying on the axiom of choice
  • Check if a proof relies on compiler trust (native_decide) rather than kernel verification

Source and maintenance

Community listingRegistry 0.5.6
Maintenance checked

Packages and installation

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

gonzalgo 0.5.6

pypiuvx
gonzalgo package definition
{
  "version": "0.5.6",
  "transport": "stdio",
  "identifier": "gonzalgo",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp",
      "isRequired": true,
      "description": "Starts the stdio server. Without it the binary runs the analysis CLI."
    }
  ],
  "runtimeArguments": [
    {
      "name": "--from",
      "type": "named",
      "value": "gonzalgo[mcp]",
      "isRequired": true,
      "description": "The MCP server lives behind an optional dependency so the analysis tools stay dependency-light for CLI-only users."
    }
  ]
}

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.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "gonzalgo-mcp": {
      "command": "uvx",
      "args": [
        "gonzalgo==0.5.6",
        "mcp"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "gonzalgo-mcp": {
      "command": "uvx",
      "args": [
        "gonzalgo==0.5.6",
        "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": {
    "gonzalgo-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "gonzalgo==0.5.6",
        "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": {
    "gonzalgo-mcp": {
      "command": "uvx",
      "args": [
        "gonzalgo==0.5.6",
        "mcp"
      ]
    }
  }
}

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