Open-source repositories
Claude-skill repositories published under an open-source license.
superpowers
A skills framework and software-development methodology for Claude Code, bundling disciplined workflows like brainstorming, test-driven development, and subagent orchestration.
caveman
A cross-agent skill that strips filler from Claude’s replies and answers in terse, token-lean prose while keeping code, commands, and error text byte-for-byte exact.
awesome-claude-code
A widely referenced curated list of Claude Code resources — slash commands, workflows, MCP servers, and community tools — organized for quick reference.
humanizer
A skill that rewrites AI-sounding drafts into natural prose, stripping the repetitive cadence, hedging, and stock phrasing that mark generated text.
planning-with-files
A planning skill that keeps multi-step work in Markdown files — plans, progress, and handoffs — so an agent can survive context resets without losing the thread.
awesome-claude-code-subagents
A large collection of production-ready Claude Code subagents — language specialists, infrastructure, DevOps, and more — installable as plugins by domain.
claude-skills
A broad skills marketplace spanning engineering, advanced-tier, and product skills, backed by hundreds of dependency-free Python CLI scripts.
SkillOpt
A Microsoft research tool that automatically optimizes agent skills through a training loop — rollout, reflect, aggregate, select, update, evaluate — with built-in benchmarks.
claude-skills
A focused set of full-stack development skills for Claude Code, installable as a single plugin marketplace bundle.
prompt-master
A ready-to-clone library of reusable prompts and prompt patterns that installs directly into your Claude skills folder.
book-to-skill
A skill (and companion CLI) that converts a book or long document into a reusable agent skill, distilling its methods into something Claude can apply.
dev-browser
A developer browser that gives Claude programmatic control of a real browser session for navigating, inspecting, and automating web tasks.
android-reverse-engineering-skill
A skill that walks Claude through reverse-engineering Android applications — unpacking APKs, reading decompiled code, and reasoning about app behavior.
skills
Security-focused skills from Trail of Bits, packaging the firm’s auditing and analysis practices for Claude Code as an installable marketplace.
qiaomu-anything-to-notebooklm
A skill that converts assorted sources — articles, documents, media — into clean material ready to load into Google NotebookLM as a knowledge base.
pinme
A command-line tool for deploying and hosting static sites on decentralized storage (IPFS), pinning your files and returning a shareable link.
buildwithclaude
A searchable plugin marketplace for Claude Code, letting you discover and install community plugins directly from within the tool.
NotFair
A marketing and SEO skill for Claude Code, installable from its plugin marketplace, aimed at improving how content ranks and competes in search.
raptor
A security skill that puts Claude on top of static-analysis tooling like Semgrep to scan codebases for vulnerabilities and triage the findings.
Claude-BugHunter
A bug-hunting skill that directs Claude to probe code for defects and security issues, installable from its plugin marketplace.
awesome-claude-code-toolkit
A DevOps-oriented toolkit for Claude Code bundling workflows, hooks, agents, and observability helpers, installable as a plugin or via a setup script.
automotive-skills-suite
A suite of automotive-domain skills for Claude, covering diagnostics and vehicle-systems knowledge for a specialized engineering audience.
skills
Microsoft’s official Agent Skills repository, including skills for documenting codebases and working with Azure and the Foundry agent platform.
agent-skill-creator
A meta-skill that scaffolds new agent skills from a plain-language description, producing a portable skill that works across Claude, Codex, Gemini, and more.