Cruncher

About Cruncher

Use Cruncher with your agent

claude mcp add cruncher -- npx -y @slbdn/cruncher-mcp

{
  "mcpServers": {
    "cruncher": {
      "command": "npx",
      "args": [
        "-y",
        "@slbdn/cruncher-mcp"
      ]
    }
  }
}

Frequently asked questions

What is Cruncher?

Cruncher is an MCP (Model Context Protocol) server by islobodan. Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.

How do I connect Cruncher to Claude, Cursor, or another MCP client?

Install Cruncher from its npm package (@slbdn/cruncher-mcp) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is Cruncher open source?

Yes — the source code is public at github.com/islobodan/cruncher-mcp.

Can AI agents pay to use Cruncher?

Not yet through Loomal — Cruncher is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.