Calculator Service

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 Service to Claude Desktop or Cursor in seconds

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

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

Architecture & Capabilities

System Overview

Orchestrates Claude AI and a calculator API to process natural language math requests.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Calculator Service

The Calculator API (Port 3000) offers POST /:operation for calculations and GET /health for health checks. The MCP Server (Port 3001) provides GET /tools, POST /execute/:toolId, POST /agent, and GET /health.

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