The official TypeScript SDK for Model Context Protocol servers and clients

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

MCP (Model Context Protocol) server for the Contentful Management API

Official Notion MCP Server

Official JavaScript / TypeScript library for the OpenAI API

Lightweight coding agent that runs in your terminal

Simple UI for debugging correlations of text embeddings

Secure & isolated JS environments for nodejs

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

💫 Toolkit to help you get started with Spec-Driven Development