Search and discover npm packages. Use this to find libraries, compare options, see what's available for a specific task, or answer "what packages exist for X?" questions. Returns packages with popularity ranking, descriptions, download stats, and quality scores. Output includes package names, versions, descriptions, and can be used as input for compare_packages.

Get detailed information about a specific npm package including versions, dependencies, and repository info

Check package for known security vulnerabilities and get recommendations

Analyze compatibility of a package with existing project dependencies

Evaluate package quality metrics including maintenance, popularity, and sustainability

Analyze and validate an npx command before execution (security check)

Compare different versions of a package and analyze breaking changes

Analyze package technical capabilities to answer "does this support ESM/TypeScript?" or "what platforms does this work on?" questions. Shows module system (ESM/CJS), TypeScript support, platform compatibility (Node/Browser/Deno), build tools, and engine requirements.

Generate ready-to-use code examples and installation instructions. Use this when users ask "how do I use X?" or "show me example code for Y" or want to quickly start using a package. Provides install commands, basic usage, and framework-specific examples.

Compare multiple npm packages side-by-side to answer "which is better?" or "what are the pros/cons?" questions. IMPORTANT: This tool generates detailed comparison analysis including: module system (ESM/CJS), TypeScript support, popularity metrics, maintenance status, bundle sizes, and provides a scored recommendation with reasoning. Output is a comprehensive comparison report with pros/cons for each package and a winner recommendation.

Analyze bundle size impact and answer "how big is this package?" or "will this slow down my app?" questions. Returns minified size, gzipped size, tree-shaking support analysis, and generates recommendations for lighter alternatives if package is large. Includes comparison with similar packages and actionable advice.

Find alternative or similar packages based on keywords and functionality. Use this when users ask "what else is like X?" or "alternatives to Y?" or "other options besides Z?". Returns ranked list of similar packages with scores, descriptions, and download stats. Helps discover packages user might not know about.