C

Calculator Community

MCP server · by githejie

Other Tools stdio

A Model Context Protocol server for calculating.

View source ↗ Generate config for multiple servers More servers

Install

unavailable — this listing has no version info in the registry

pypi
uvx mcp-server-calculator

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "calculator": {
      "command": "uvx",
      "args": [
        "mcp-server-calculator"
      ]
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

Implementation status

Community implementation

"calculator" is a general capability, not a single product — no official MCP server exists for it. This page features the most popular community implementation as of 2026-10-15.

Evidence ↗

Last verified: 2026-10-15 ｜ Sources: Verification basis ↗

GitHub

⭐ 159 stars · 最近更新于 82 天前 · MIT license

About this server

Calculator MCP Server A Model Context Protocol server for calculating. This server enables LLMs to use calculator for precise numerical calculations. Available Tools calculate - Calculates/evaluates the given expression. expression (string, required): Expression to be calculated Installation Using uv (recommended) When using uv no specific installation is needed. We will use uvx to directly run mcp-server-calculator . Using PIP Alternatively you can install mcp-server-calculator via pip: After installation, you can run it as a script using: Configuration Using uv (recommended) Add this to your MCP client settings: Using PIP Alternatively add this to your MCP client settings: License mcp-server-calculator is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.…

Summary from the project README — github.com/githejie/mcp-server-calculator

Distributed as stdio, listed under Other Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Calculator MCP server do?

Calculator MCP Server A Model Context Protocol server for calculating. This server enables LLMs to use calculator for precise numerical calculations. Available Tools calculate - Calculates/evaluates the given expression. expression (string, required): Expression to be calculated Installation Using uv (recommended) When using uv no specific installation is needed. We will use uvx to directly run mcp-server-calculator . Using PIP Alternatively you can install mcp-server-calculator via pip: After installation, you can run it as a script using: Configuration Using uv (recommended) Add this to your MCP client settings: Using PIP Alternatively add this to your MCP client settings: License mcp-server-calculator is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.

How do I install Calculator?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Calculator free to use?

The MCP server itself is free to install. The source is public on https://github.com/githejie/mcp-server-calculator. Any third-party service it calls may require its own API key and account.

Which clients support Calculator?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

Add this badge

Publish this server? Link back with a badge on your README or site — copy either snippet.

Listed on MCPNav

Markdown

[![Listed on MCPNav](https://mcpnav.net/badge/calculator.svg)](https://mcpnav.net/server/calculator/)

HTML

<a href="https://mcpnav.net/server/calculator/"><img src="https://mcpnav.net/badge/calculator.svg" alt="Listed on MCPNav" height="20"></a>