Mathlas

Developer Tools Python v1.5.0

Airtight math for AI agents: 3.68M-doc theorem search + numeric/Lean verification. No LLM, no key.

View source ↗ Generate config for multiple servers More servers

Install

Pin version registry version 1.5.0

Python
uvx mathlas-mcp

Python
uvx mathlas-mcp@1.5.0

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp@1.5.0"
      ]
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add mathlas -- uvx mathlas-mcp

claude mcp add mathlas -- uvx mathlas-mcp@1.5.0

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp@1.5.0"
      ]
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp"
      ]
    }
  }
}

{
  "servers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp@1.5.0"
      ]
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "mathlas": {
      "command": "uvx",
      "args": [
        "mathlas-mcp@1.5.0"
      ]
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

MATHLAS_SEED — Set to 1 to force the lightweight built-in seed corpus and never load the multi-GB prebuilt index (fast cold start).
MATHLAS_INDEX — Path to a prebuilt index .npz to serve for search_existing_math (optional; the seed corpus is used when absent).

GitHub

⭐ 13 stars · 最近更新于 16 天前 · Apache-2.0 license

About this server

mathlas Available on mcp.so · Glama · listed in awesome mcp servers and best of lean4. An airtight math tool an AI uses — no LLM, no API key, free. Plug it into Cl…

Summary from the project README — github.com/Archerkattri/mathlas

Distributed as Python, listed under Developer Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Mathlas MCP server do?

mathlas Available on mcp.so · Glama · listed in awesome mcp servers and best of lean4. An airtight math tool an AI uses — no LLM, no API key, free. Plug it into Cl

How do I install Mathlas?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Mathlas free to use?

The MCP server itself is free to install. The source is public on https://github.com/Archerkattri/mathlas. Any third-party service it calls may require its own API key and account.

Which clients support Mathlas?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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