JavaScript AI

The TypeScript toolkit for building AI apps. Streaming UI, tool calling, and multi-provider support.

vercel/ai

Anthropic SDK

anthropics/anthropic-sdk-typescript

Official TypeScript SDK for Claude. Build conversational AI, code generation, and analysis tools.

Transformers.js

huggingface/transformers.js

Run Hugging Face transformers directly in the browser. NLP, vision, and audio — no server needed.

Frameworks

5 tools

Full-featured JavaScript frameworks for building AI-powered applications with LLMs, agents, and retrieval pipelines.

About frameworks and how to choose →

Vercel AI SDK

The TypeScript toolkit for building AI apps. Streaming UI, tool calling, and multi-provider support.

vercel/ai

LangChain.js

Framework for building LLM-powered apps. Chains, agents, retrieval, and memory out of the box.

langchain-ai/langchainjs

LlamaIndex.TS

Data framework for LLM apps in TypeScript. Connect your data to large language models.

run-llama/LlamaIndexTS

Mastra

Open-source TypeScript framework for AI agents and workflows. Memory, observability, and integrations with React, Next.js, and Node.

mastra-ai/mastra

ModelFusion

About llm sdks and how to choose →

Archived TypeScript library for multimodal AI apps. Retained as a historical reference; use AI SDK for new projects.

vercel/modelfusion

LLM SDKs

5 tools

Official JavaScript and TypeScript SDKs for connecting to large language model APIs from OpenAI, Anthropic, Google, and more.

Anthropic SDK

anthropics/anthropic-sdk-typescript

Official TypeScript SDK for Claude. Build conversational AI, code generation, and analysis tools.

OpenAI Node

Official Node.js library for the OpenAI API. GPT, DALL-E, Whisper, and embeddings.

openai/openai-node

Google Gen AI SDK

Official JavaScript and TypeScript SDK for Gemini. Use the maintained @google/genai package.

googleapis/js-genai

Mistral JS Client

TypeScript client for Mistral AI models. Fast, efficient open-weight model access.

mistralai/client-js

Cohere Node SDK

cohere-ai/cohere-typescript

Official TypeScript SDK for Cohere. Embeddings, reranking, and RAG-optimized models.

ML & Browser AI

5 tools

Run machine learning models directly in the browser or Node.js — no Python server required.

About ml & browser ai and how to choose →

TensorFlow.js

Machine learning for JavaScript. Train and deploy ML models in the browser and Node.js.

tensorflow/tfjs

ONNX Runtime Web

Run ONNX models in the browser with WebAssembly and WebGPU acceleration.

microsoft/onnxruntime

Transformers.js

huggingface/transformers.js

Run Hugging Face transformers directly in the browser. NLP, vision, and audio — no server needed.

WebLLM

Run large language models entirely in the browser using WebGPU. Private, fast, offline-capable.

mlc-ai/web-llm

Brain.js

About ai dev tools and how to choose →

GPU-accelerated neural networks in JavaScript. Simple API for training and running neural nets.

BrainJS/brain.js

AI Dev Tools

4 tools

AI-powered developer tools that help JavaScript developers write, review, and ship code faster.

Claude Code

Anthropic's agentic coding tool. An AI assistant that lives in your terminal and understands your codebase.

Cursor

AI-first code editor built on VS Code. Inline AI editing, chat, and codebase-aware completions.

GitHub Copilot

AI pair programmer by GitHub. Code suggestions, chat, and pull request summaries.

v0 by Vercel

About vector & data and how to choose →

AI-powered UI generation. Describe a component and get production-ready React code.

Vector & Data

4 tools

JavaScript clients for vector databases — store and search embeddings for RAG, semantic search, and AI memory.

Pinecone JS Client

pinecone-io/pinecone-ts-client

TypeScript client for Pinecone vector database. Serverless vector search at scale.

ChromaDB JS

JavaScript client for Chroma, the open-source embedding database for AI apps.

chroma-core/chroma

Weaviate JS Client

weaviate/typescript-client

TypeScript client for Weaviate vector database. Semantic search and hybrid retrieval.

Turbopuffer JS