Your AI setup, shareable and installable.

A curated breakdown of the Claude skills ecosystem, what skills are, how they work, and the handful worth installing first.

Open-source collection of 45+ AI agent skills for marketing, CRO, SEO, copywriting, analytics, and growth, built for Claude Code, Cursor, and any Agent Skills-compatible agent.

78+ animated shadcn/ui components plus 100+ AI agent patterns, distributed as copy-paste source, free, open-source, and zero npm lock-in.

Open-source OpenTelemetry observability platform with traces, logs, metrics, service maps, session replay, and an AI agent MCP server, for backend and platform teams.

Free, MIT-licensed React loading animation registry for shadcn-style projects, copy-paste spinners, skeletons, and motion primitives.

Open-source memory and context engine for stateful AI agents, works with any model, framework, or architecture.

Open-source Next.js + shadcn/ui layout templates for developers, dashboards, productivity apps, and more, with a Pro tier.

Open-source brand SVG icon library with 6,149+ typed, tree-shakeable icons for developers and designers.

How to turn Claude into a structured adversary by assuming your plan already failed, and a ready-to-upload skill that automates the pre-mortem for any decision.

Research synthesis covering two 2025 papers on recursive multi-agent systems: RecursiveMAS and RAH, for developers building agentic pipelines.

Explores the cultural fade of color in products alongside nanoscale methods that make material color disappear through structural interference.

A viral breakdown of AI agent loops, how Claude, ChatGPT, and Mira implement Plan-Execute-Verify cycles and when to actually build one.

A technical argument for replacing text chunks with structured QA packets in RAG pipelines, for ML engineers and data architects building production retrieval systems.

Agent skill that breaks large UI files into reusable components for frontend developers using AI-assisted workflows.

Agent skills for UI builders, by the creators of Tailwind CSS and Refactoring UI, wires into Claude Code, Cursor, and Codex to ship interfaces that look designed, not generated.

MCP gateway that gives AI agents like Claude Code, Cursor, and Codex one endpoint and one tool shape for every integration, with sandboxed execution and credential isolation by design.

Zero-dependency, SQLite-backed AI memory layer for agents, MCP-ready, local-first, and benchmarked against BEAM and LongMemEval.

Visual RAG pipeline that retrieves over screenshot tiles instead of parsed text, preserving tables, charts, and layout for more accurate document search.

Free browser tool and Python package that converts images and videos into 13 art styles (ASCII, pixel art, voxel, halftone, LEGO, glitch, and more) with real-time effects and up to 4x export resolution.

Agent skill collection for engineers who use Claude Code or Codex, small, composable prompts that enforce TDD, domain modeling, and architecture review.

jscpd is an open-source copy/paste detector for 223+ languages, with a Rust-powered v5 engine that is 24-37x faster and AI-ready out of the box.

NVIDIA's open-source security scanner for AI agent skills, detects prompt injection, supply chain attacks, and 66 other vulnerability patterns before you install.

A Claude skill is a folder of instructions that teaches Claude your team's way of doing a recurring task. Most are easy to build but quietly fail because Claude never reaches for them or the output is wrong. This guide shows you the few habits and the one testing loop that fix that.

Open-source React component kit for agentic AI apps: streaming chat, tool calls, reasoning, citations, and more, SDK-agnostic and fully owned by your codebase.

shadcn/ui, open-source, copy-owned UI components for developers building their own design system with full code control.

Streamline Pixel Icons: a 442k-icon library with 34 families, Figma plugin, and VS Code extension for designers and developers who need consistent, large-scale icon sets.

Awwwards: the industry benchmark for web design excellence, offering awards, inspiration galleries, a professional directory, courses, and a curated marketplace for designers and developers.

Free repo scanner that checks GitHub and Bitbucket projects for malware, credential stealers, and crypto scams before you run their code.

Addy Osmani's essay on why more AI agents don't mean more shipped work, and how to architect your attention like a concurrent system.

An 18-step practical guide to unlocking Claude's full capability through Projects, Custom Instructions, and a personal knowledge base.

Claude skill that turns UI screenshots, Figma exports, and wireframes into semantic, accessible HTML or JSX, no styling included, by design.

Agent skill for adapting desktop UIs to mobile, tablet, and desktop breakpoints, built by the makers of Tailwind CSS and Refactoring UI.

Agent skill that regenerates light-mode raster images as true dark-mode variants using gpt-image-2, for interface builders using Claude Code, Cursor, or Codex.

Agent skill for adding thoughtfully designed dark mode to existing UIs, balances contrast across text, surfaces, borders, and images for Claude Code, Cursor, Codex, and more.

Agent skill for Tailwind CSS cleanup: sorts, deduplicates, and resolves conflicting utility classes inside Claude Code, Cursor, and other coding agents.

ui.sh Brand Kit skill: generate a visual brand direction board with site mockups, typography, and color from a single prompt, for Codex-powered coding agents.

ui.sh Ideas skill for AI coding agents: generate and compare multiple UI design directions in the browser before committing to one.

Claude/Codex/Cursor skill from the Tailwind CSS team that upgrades AI-generated UI from generic to designer-quality, in any existing project.

Open-source file-format loaders for geospatial, tabular, and 3D data, with worker-thread and streaming support for big-data JS apps.

Open-source PM skills marketplace: 68 AI skills and 42 workflows across 9 Claude plugins for product managers doing discovery, strategy, execution, and launch.

Context compression MCP server and proxy for AI agents, cuts token usage 60-95% across tool outputs, logs, RAG, and files while preserving answer accuracy.

Free, open-source shadcn-style registry of production-ready AI agent recipes for developers who want full code ownership with zero config.

A catalog of repeatable AI agent workflows with built-in feedback loops, plus an installable skill for finding, adapting, and designing your own loops.

Anthropic's official skill library for Claude: modular SKILL.md bundles that add repeatable, domain-specific workflows across docs, dev, design, and enterprise tasks.

Auto-generated, pixel-perfect skeleton screens for React, Vue, Svelte, Angular, and React Native, no manual placeholders needed.

WebGL glass-effect library for the web, apply realistic refraction, blur, and lighting to any HTML element with a single async init call.

Open-source autonomous AI pentester for web apps and APIs, analyzes your source code and runs real exploits, for developers and security engineers.

Open-source React loading animation library with 55+ dot-matrix loaders for shadcn/Tailwind projects, install in one command.

Curated awesome-list of GEO resources for developers and marketers optimizing content for AI answer engines like ChatGPT, Perplexity, and Google AI Overviews.

18 production-ready CSS transitions for web apps, plus an AI agent skill that applies them directly inside your project.

Open-source toolkit for Spec-Driven Development with AI coding agents, structured specs, plans, and tasks instead of vibe coding.

A design skill for Claude Code, Cursor, and Codex that blocks AI visual clichés and generates structurally distinct, non-template UI, for builders and designers.

Open-source Node.js SMTP email verification library for developers who need programmatic, multi-layer address validation with detailed reason codes.

OpenAI's open-source agent orchestrator that converts project tasks into autonomous, isolated coding runs, so teams manage work, not coding agents.

Animated WebGL liquid-metal shader for React buttons and chips, one component, three presets, zero layout shifts.

Dependency-free gallery of math-driven loading animations (rose, Lissajous, cardioid, and more) with formulas and copyable code for UI builders.

Open-source glassmorphism component library for shadcn/ui, 21 Apple-inspired glass UI components for Next.js and React, installed via the shadcn registry.

Open-source agentic skills framework that brings spec-first, TDD-enforced, subagent-driven software development to Claude Code, Cursor, Codex, and 8 other AI coding harnesses.

39 mental-model skills for Claude Code, first principles, Bayesian, OODA, pre-mortem, and more, all invoke-by-name with no setup.

Open-source AI code reviewer with bring-your-own-model, custom rule enforcement, and zero LLM markup for engineering teams.

Open-source AI design intelligence skill for Claude Code: UI styles, color palettes, font pairings, and UX guidelines in one searchable database.

Open Design is the open-source, local-first Claude Design alternative for builders who want agent-native design, prototypes, decks, and video, without a vendor lock-in.

Anatomia, CLI harness that gives AI coding agents a verifiable pipeline and proof chain, not just prompts. MIT-licensed, works with Claude Code, Codex, and more.

Official plugin spec and marketplace repo for Cursor: bundles rules, skills, MCP servers, agents, and hooks for AI-powered dev workflows.

A concise, opinionated HTML/CSS/JS style reference for developers who want clear rules over framework churn, illustrated with bad/good code pairs throughout.

Type-check TypeScript and JavaScript code fences in Markdown and MDX docs against your real project API, in editor, CLI, and CI.

Better Upload: MIT-licensed React library for direct-to-S3 file uploads with minimal setup, presigned URLs, and drag-and-drop UI components.

Open-source collection of reusable agent skills, shared AGENTS.MD rules, and portable helper scripts for Codex and Claude agents, by steipete.

Agent skill that audits your codebase with a capable model and writes executable plans for cheaper models to implement, by shadcn.