A vitest extension for running evals.

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

A lightweight React Hook intended mainly for AI chat applications, for smoothly sticking to bottom of messages

Open source RAG evaluation package

Monitor browser logs directly from Cursor and other MCP compatible IDEs.

Online playground for OpenAPI tokenizers

Streaming highlighting with Shiki. Useful for highlighting text streams like LLM outputs.

Give Cursor Agent an AI Team and Advanced Skills

📄 A curated list of awesome .cursorrules files

JS port and JS/WASM bindings for openai/tiktoken

Benchmarks you can feel

Migrate full-fledged TypeScript to TypeScript with erable type annotations only. Compatible with the type annotation proposal as well as NodeJS's strip-types

Make websites accessible for AI agents

Large Language Model based Multi-Agents: A Survey of Progress and Challenges

CLI tool to auto-fix verbatimModuleSyntax errors

Test your LLM-powered apps with TypeScript. No API key required.

Prompt design using JSX.

The official Typescript SDK for Model Context Protocol servers and clients

Create visual components for React without JavaScript or TypeScript. Leverage native HTML and CSS. It's an alternative to CSS-in-JS and CSS modules.

RAG that intelligently adapts to your use case, data, and queries

The TypeScript LLM Evaluation Library

JS tokenizer for LLaMA 1 and 2

Laminar - open-source all-in-one platform for engineering AI products. Crate data flywheel for you AI app. Traces, Evals, Datasets, Labels. YC S24.

AutoEvals is a tool for quickly and easily evaluating AI model outputs using best practices.

FFmpeg for browser, powered by WebAssembly

Your AI powered terminal assistant.

🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.

A standard interface for TypeScript schema validation libraries

A manifest of JS modules and their more modern/active replacements