Calculator

Verified Integration

Author: @adding•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Calculator to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "calculator-13": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-calculator-13"
      ],
      "env": {}
    }
  }
}

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

Architecture & Capabilities

System Overview

Provides core mathematical operations like addition, subtraction, multiplication, division, power, and square root as remote tools for Model Context Protocol (MCP) clients.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Calculator

It's a Model Context Protocol (MCP) server that provides core mathematical operations as remote tools for MCP clients, enabling advanced calculations directly within your AI environment or workflow.

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