260 boosters for "skills" — open source, verified from GitHub, ready to install
  
A TDD-based framework for creating and validating AI agent skills through test-driven documentation and pressure testing. Developers building Claude Code agents or multi-agent systems benefit from this systematic approach to skill development and deployment.
This booster enforces mandatory skill tool invocation at the start of conversations to establish available capabilities. It's designed for users who want to ensure AI assistants always discover and declare applicable skills before responding.
"name": "anthropic-agent-skills", "name": "Keith Lazuka", "email": "klazuka@anthropic.com"
skill-creator enables users to build, refine, and evaluate AI skills through an iterative workflow with testing and performance benchmarking. Developers and AI engineers benefit from streamlined skill development and optimization.
Skills are folders of instructions, scripts, and resources that Claude loads dynamically to improve performance on specialized tasks. Skills teach Claude how to complete specific tasks in a repeatable way, whether that's creating documents with your company's brand guidelines, analyzing data using y
This skill helps you build LLM-powered applications with Claude. Choose the right surface based on your needs, detect the project language, then read the relevant language-specific documentation. Scan the target file (or, if no target file, the prompt and project) for non-Anthropic provider markers
"description": "Create and edit Obsidian vault files including Markdown, Bases, and Canvas. Use when working with .md, .base, or .canvas files in an Obsidian vault.", "name": "Steph Ango", "url": "https://stephango.com/"
A comprehensive collection of 1000+ production-ready agentic skills for Claude and related AI coding platforms, enabling developers to rapidly build autonomous multi-agent systems with specialized, battle-tested capabilities.
The vocabulary you didn't know you needed. 1 skill, 20 commands, and curated anti-patterns for impeccable frontend design. Anthropic created frontend-design, a skill that guides Claude toward better UI design. Impeccable builds on that foundation with deeper expertise and more control. Every LLM lea
A curated directory of high-quality plugins for Claude Code. Plugins can be installed directly from this marketplace via Claude Code's plugin system. or browse for the plugin in
skill-installer automates the discovery and installation of Codex skills from curated repositories and GitHub sources, streamlining the setup process for developers building AI-assisted coding workflows.
A meta-guide that helps users create or update specialized skills to extend Codex's capabilities with domain-specific knowledge and workflows. Developers and AI agents building custom extensions benefit from this structured approach to skill development.
Build professional-grade design systems in Figma that match code. This skill orchestrates multi-phase workflows across 20–100+ calls, enforcing quality patterns from real-world design systems (Material 3, Polaris, Figma UI3, Simple DS). Every design system build follows this phase order. Skipping o
This MCP server enables users to search and discover Agent Skills from the skills.sh registry, helping developers find and integrate pre-built automation capabilities into their AI agents.
"$schema": "https://anthropic.com/claude-code/marketplace.schema.json", "name": "claude-plugins-official", "description": "Directory of popular Claude Code extensions including development tools, productivity plugins, and MCP integrations",
"name": "baoyu-skills", "name": "Jim Liu (宝玉)", "email": "junminliu@gmail.com"
This booster enables developers and Obsidian power users to programmatically interact with their Obsidian vaults—reading, creating, and searching notes—as well as develop and debug plugins directly from the command line. It's ideal for users who want CLI-based vault automation or are building Obsidian extensions.
The most comprehensive open-source library of Claude Code skills and agent plugins — also works with OpenAI Codex, Gemini CLI, Cursor, and 7 more coding agents. Reusable expertise packages covering engineering, DevOps, marketing, compliance, C-level advisory, and more. ![License: MIT](https://openso
"name": "huggingface-skills", "description": "Agent Skills for AI/ML tasks including dataset creation, model training, evaluation, and research paper publishing on Hugging Face Hub", "name": "Hugging Face"
"name": "understand-anything", "description": "AI-powered codebase understanding — analyze, visualize, and explain any project", "homepage": "https://github.com/Lum1104/Understand-Anything",
A CLI tool for managing and installing reusable skills across multiple AI coding agents (Claude Code, Cursor, etc.), enabling developers to extend agent capabilities with pre-built tools and workflows from repositories like GitHub and GitLab.
The changelog should focus on the user-facing changes and user-facing effects of changes. We do not need to record the internal details of changes in the changelog. When updating the changelog stick to the existing writing style and formatting.
A Claude Code plugin marketplace from Trail of Bits providing skills to enhance AI-assisted security analysis, testing, and development workflows. Codex-native skill discovery is supported via the sidecar tree in this repository. See [](.codex/INSTALL.md) for additional details.
