Skills & SubAgents & Plugins

Resources

• agentskills/agentskills - Specification and documentation for Agent Skills
• travisvn/awesome-claude-skills - A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code

Articles

• GitHub Copilot now supports Agent Skills
• About Agent Skills
• Use Agent Skills in VS Code
• Extend your coding agent with .NET Skills

Tools & Libraries

• vercel-labs/skills - The open agent skills tool - npx skills
• numman-ali/openskills - Universal skills loader for AI coding agents - npm i -g openskills
• anthropics/skills - Public repository for Agent Skills
• vercel-labs/agent-skills - Vercel’s official collection of agent skills
• Aaronontheweb/dotnet-skills - Claude Code skills and sub-agents for .NET Developers
• microsoft/skills - Skills, MCP servers, Custom Agents, Agents.md for SDKs to ground Coding Agents
• kepano/obsidian-skills - Agent skills for Obsidian. Teach your agent to use Markdown, Bases, JSON Canvas, and use the CLI.
• eugeniughelbur/obsidian-second-brain - Cross-CLI skill for Obsidian: turn your vault into a living AI-first second brain across Claude Code, Codex, Gemini, and OpenCode. 43 commands - now with /obsidian-architect to document your codebase, key-less web research, Google Calendar, and self-rewriting notes.
• blader/humanizer - Claude Code skill that removes signs of AI-generated writing from text
• antonbabenko/terraform-skill - Terraform & OpenTofu Skill for AI Agents - testing, modules, CI/CD, and production patterns
• mattpocock/skills - Skills for Real Engineers. Straight from my .claude directory
• multica-ai/andrej-karpathy-skills - A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy’s observations on LLM coding pitfalls.
• affaan-m/ECC - The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
• VoltAgent/awesome-claude-code-subagents ⭐ - A collection of 100+ specialized Claude Code subagents covering a wide range of development use cases
• wshobson/agents ⭐ - Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, and Google
• addyosmani/agent-skills ⭐ - Production-grade engineering skills for AI coding agents.
• sickn33/agentic-awesome-skills ⭐ - AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,005+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.
• obra/superpowers - An agentic skills framework & software development methodology that works.
• ayghri/i-have-adhd - A skill to stop your coding agent from burying the answer. ADHD-friendly output.
• JuliusBrussee/caveman - why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman
• DietrichGebert/ponytail - Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
• nextlevelbuilder/ui-ux-pro-max-skill - An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.
• virgiliojr94/book-to-skill - Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.