Collection of DESIGN.md files that capture design systems from popular websites. Drop one into your project and let coding agents build matching UI.

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future …

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including wi…

Browser automation CLI for AI agents

Vercel's official collection of agent skills

The elegant bundler for libraries powered by Rolldown

🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte

💅 Beautiful and accessible drag and drop for lists with React. ⭐️ Star to support our work!

The open-source V0/Lovable alternative

The official TypeScript SDK for Model Context Protocol servers and clients

The official Python SDK for Model Context Protocol servers and clients

Beautiful, Modern & Opinionated Linux

CLI for generating, building, and releasing oclif CLIs. Built by Salesforce.

Create guided tours in your apps

Like Prometheus, but for logs.

ClickHouse® is a real-time analytics database management system

A Model Context Protocol (MCP) server that reads and writes MS Excel data

Professional slash commands for Claude Code that provide structured workflows for software development tasks including code review, feature creation, security auditing, and architectural analysis.

🐻 Bear necessities for state management in React

Accessibility engine for automated Web UI testing

Turn your software into a business.

Framely: The open-source, lightweight, multi-tenant drag-and-drop website editor for modern web applications, powered by Next.js

A FAST Kubernetes manifests validator, with support for Custom Resources!

Ruby Tests Profiling Toolbox

⚙️ Create and run workflows (RPA 2.0)

🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.

Playwright MCP server

🌐 Make websites accessible for AI agents. Automate tasks online with ease.