Libraries

Package guides written the honest way, including who should skip them.

AI / MLnpm · 54.0M/wk@modelcontextprotocol/sdkThe official TypeScript SDK for the Model Context Protocol, the standard that lets AI applications (Claude, Cursor, VS Code, and most agent frameworks) talk to externa...Score 4.3/5 AI / MLnpm · 33.0M/wkopenaiThe official TypeScript and JavaScript client for the OpenAI REST API, generated from OpenAI's published OpenAPI spec.Score 4/5 AI / MLnpm · 30.0M/wk@anthropic-ai/sdkOfficial TypeScript/JavaScript client for the Claude API.Score 4/5 AI / MLnpm · 20.0M/wkaiThe AI SDK is Vercel's provider-agnostic TypeScript toolkit for building LLM applications and agents.Score 4/5 AI / MLnpm · 2.8M/wklangchainlangchain is the JavaScript/TypeScript framework for building LLM applications and agents.Score 3.8/5 AI / MLnpm · 2.4M/wk@huggingface/transformersTransformers.js runs Hugging Face models directly in the browser or in Node with no inference server: it mirrors the Python transformers pipeline API and executes ONNX...Score 4/5 AI / MLnpm · 721k/wkollamaollama is the official JavaScript client for the Ollama server, the tool most people use to run open-weight LLMs locally.Score 3/5