UtilitiesPython

mcp-server-calculator

This MCP server allows LLMs to perform precise numerical calculations using a calculator tool.

Free
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calculatorMCPserver

The Calculator MCP Server is designed to facilitate accurate mathematical computations for language models. By leveraging the Model Context Protocol, this server enables seamless integration of calculation capabilities, allowing users to evaluate complex expressions with ease. Whether you need to perform simple arithmetic or more advanced calculations, this server provides a reliable solution for all your computational needs. Installation is straightforward, with options to use the recommended 'uv' method or install via pip. Once set up, users can configure their MCP clients to connect to the calculator server, enabling them to utilize its features effectively. The server is open-source and licensed under the MIT License, ensuring that it can be freely used, modified, and distributed.

Compatible with

Claude DesktopCursor

Install

Claude Desktop

Add to your claude_desktop_config.json:

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

Config File Location

Mac: ~/Library/Application Support/Claude/claude_desktop_config.json

Windows: %APPDATA%\Claude\claude_desktop_config.json

Linux: ~/.config/claude/claude_desktop_config.json

Some servers require additional setup - check the GitHub README for specific instructions.