Calculator

Verified Integration

Author: @cloning•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-3": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-calculator-3"
      ],
      "env": {}
    }
  }
}

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

Architecture & Capabilities

System Overview

Equip Claude with advanced math capabilities including symbolic math, statistical analysis, and matrix operations.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Calculator

Claude can perform basic calculations, solve equations, compute derivatives and integrals, conduct statistical analysis (mean, median, variance), and perform matrix operations.

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