Calculator
Evaluates mathematical expressions securely using Python's AST module instead of eval(). Enables precise numerical calculations in AI conversations.
Provides a secure mathematical expression evaluation service using Python's AST module for basic operations without relying on eval(), enabling quick calculations within conversations.
What it does
- Calculate mathematical expressions
- Perform basic arithmetic operations
- Evaluate complex numerical formulas
- Process mathematical computations securely
Best for
About Calculator
Calculator is a community-built MCP server published by githejie that provides AI assistants with tools and capabilities via the Model Context Protocol. Use Calculator for quick, secure payroll and percentage calculations. Try our percentage calculator and payroll calculat It is categorized under productivity, developer tools. This server exposes 1 tool that AI clients can invoke during conversations and coding sessions.
How to install
You can install Calculator in your AI client of choice. Use the install panel on this page to get one-click setup for Cursor, Claude Desktop, VS Code, and other MCP-compatible clients. This server runs locally on your machine via the stdio transport. This server supports remote connections over HTTP, so no local installation is required.
License
Calculator is released under the MIT license. This is a permissive open-source license, meaning you can freely use, modify, and distribute the software.
Tools (1)
Calculates/evaluates the given expression.
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.
curl -LsSf https://astral.sh/uv/install.sh | sh
Using PIP
Alternatively you can install mcp-server-calculator via pip:
pip install mcp-server-calculator
After installation, you can run it as a script using:
python -m mcp_server_calculator
Configuration
Using uv (recommended)
Add this to your MCP client settings:
"mcpServers": {
"calculator": {
"command": "uvx",
"args": ["mcp-server-calculator"]
}
}
Using PIP
Alternatively add this to your MCP client settings:
"mcpServers": {
"calculator": {
"command": "python",
"args": ["-m", "mcp_server_calculator"]
}
}
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.
Alternatives
Related Skills
Browse all skillsUI design system toolkit for Senior UI Designer including design token generation, component documentation, responsive design calculations, and developer handoff tools. Use for creating design systems, maintaining visual consistency, and facilitating design-dev collaboration.
Technical leadership guidance for engineering teams, architecture decisions, and technology strategy. Includes tech debt analyzer, team scaling calculator, engineering metrics frameworks, technology evaluation tools, and ADR templates. Use when assessing technical debt, scaling engineering teams, evaluating technologies, making architecture decisions, establishing engineering metrics, or when user mentions CTO, tech debt, technical debt, team scaling, architecture decisions, technology evaluation, engineering metrics, DORA metrics, or technology strategy.
Answer questions about the AI SDK and help build AI-powered features. Use when developers: (1) Ask about AI SDK functions like generateText, streamText, ToolLoopAgent, embed, or tools, (2) Want to build AI agents, chatbots, RAG systems, or text generation features, (3) Have questions about AI providers (OpenAI, Anthropic, Google, etc.), streaming, tool calling, structured output, or embeddings, (4) Use React hooks like useChat or useCompletion. Triggers on: "AI SDK", "Vercel AI SDK", "generateText", "streamText", "add AI to my app", "build an agent", "tool calling", "structured output", "useChat".
Leveraging AI coding assistants and tools to boost development productivity, while maintaining oversight to ensure quality results.
Master API documentation with OpenAPI 3.1, AI-powered tools, and modern developer experience practices. Create interactive docs, generate SDKs, and build comprehensive developer portals. Use PROACTIVELY for API documentation or developer portal creation.
Creates educational Teams channel posts for internal knowledge sharing about Claude Code features, tools, and best practices. Applies when writing posts, announcements, or documentation to teach colleagues effective Claude Code usage, announce new features, share productivity tips, or document lessons learned. Provides templates, writing guidelines, and structured approaches emphasizing concrete examples, underlying principles, and connections to best practices like context engineering. Activates for content involving Teams posts, channel announcements, feature documentation, or tip sharing.