Calculator Toolkit

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Calculator Toolkit to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "calculator-toolkit": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-calculator-toolkit"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Offers versatile calculator functionality as an MCP server, supporting STDIO, HTTP, and FastAPI transports for diverse integration scenarios.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Calculator Toolkit

Absolutely. The Calculator Toolkit is built with a modular design, making it straightforward to extend. Developers can easily add new arithmetic operations or integrate custom transport modes to tailor the toolkit to specific project requirements.

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