Awesome AI Agent Stack

Skills, Plugins & Context Engineering

What you put in front of the agent matters more than which agent. Skills, CLAUDE.md files, methodology.

Skill frameworks & methodology

• obra/superpowers - Agentic skills framework and development methodology (brainstorm → plan → TDD → review).
• addyosmani/agent-skills - Production-grade engineering skills from Addy Osmani.
• garrytan/gstack - Garry Tan's opinionated Claude Code toolset.
• affaan-m/ECC - Harness performance-optimization system: skills, instincts, evals.
• eyaltoledano/claude-task-master - AI task-management system that drops into Cursor, Claude Code or Lovable.
• OthmanAdi/planning-with-files - File-based persistent planning for long-running agent tasks.
• HKUDS/OpenSpace - Skill-management layer for agents.
• skainguyen1412/antigravity-superpowers - Superpowers workflows ported to Antigravity.
• bmad-code-org/BMAD-METHOD - Breakthrough Method for Agile Ai Driven Development.
• danielmiessler/Fabric - Fabric is an open-source framework for augmenting humans using AI. It provides a modular system.
• SuperClaude-Org/SuperClaude_Framework - Framework enhancing Claude Code with commands, personas, and token-efficient modes.
• EveryInc/compound-engineering-plugin - Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more.
• revfactory/harness - Meta-skill that designs agent teams and generates the skills they use.
• tony/claude-code-riper-5 - RIPER-5 autonomous coding mode for Claude Code.
• imbue-ai/blueprint - Planning copilot for coding agents.
• NeoLabHQ/context-engineering-kit - Hand-crafted skills for domain-driven architecture and subagent-driven development.
• automazeio/ccpm - Project management skill system using GitHub Issues and worktrees.
• TexasBedouin/vibe-check - Turns a vague idea into a buildable plan, then guides the build.

Autonomous loops (Ralph)

• ClaytonFarr/ralph-playbook - Comprehensive guide to running autonomous AI coding loops with Ralph.
• frankbria/ralph-claude-code - Autonomous AI development loop for Claude Code with exit detection.
• mikeyobrien/ralph-orchestrator - Improved Ralph Wiggum implementation for autonomous agent orchestration.
• muratcankoylan/ralph-wiggum-marketer - Autonomous AI copywriter plugin built on the Ralph methodology.
• snwfdhmp/awesome-ralph - Curated resources on the Ralph autonomous-loop coding technique.

Behavior-shaping skills (single-file, high leverage)

• multica-ai/andrej-karpathy-skills - A single `CLAUDE.md` distilled from Karpathy's guidance.
• DietrichGebert/ponytail - Makes the agent think like the laziest senior dev: YAGNI, stdlib first, shortest diff.
• JuliusBrussee/caveman - Cut ~65% of output tokens by making the agent talk terse.
• ayghri/i-have-adhd - Stops the agent burying the answer; answer-first output.
• Leonxlnx/taste-skill - Gives your AI good taste; stops boring, generic output.
• conorbronsdon/avoid-ai-writing - Audits and rewrites content to remove AI writing patterns.
• hardikpandya/stop-slop - Removes AI tells from prose before it reaches the reader.
• op7418/Humanizer-zh - Removes AI-generated stylistic traces from text (Chinese edition).
• tjboudreaux/cc-thinking-skills - 28 eval-informed mental models and critical-thinking skills for agents.
• human-avatar/skills-for-humanity - Structured reasoning methods from history's rigorous thinkers, as skills.
• pbakaus/impeccable - Design language that makes coding agents better at frontend design.
• danyuchn/asd-ste100-skill - Simplified Technical English rules as a skill for clearer agent-facing writing.

Official skill collections

• anthropics/skills - Anthropic's official Agent Skills repo; the reference implementation of the Agent Skills standard.
• vercel-labs/agent-skills - Vercel's official collection of agent skills.
• anthropics/knowledge-work-plugins - Official plugins for non-coding knowledge work.
• anthropics/claude-plugins-official - Official, Anthropic-managed directory of high-quality Claude Code plugins.
• google/skills - Agent skills for Google products and technologies.
• hashicorp/agent-skills - Official skills and plugins for HashiCorp products.
• qdrant/skills - Agent skills for Qdrant vector search: scaling, quality, and monitoring.
• anthropics/financial-services - Anthropic's reference agents, skills and data connectors for financial services.
• cursor/plugins - Cursor's plugin specification and official plugins.
• openai/plugins - OpenAI's official plugin collection.

Security skills

• agamm/claude-code-owasp - OWASP Top 10:2025 and ASVS 5.0 secure-coding skill.
• BehiSecc/VibeSec-Skill - Helps Claude write secure code and prevent common vulnerabilities.
• gadievron/raptor - Turns Claude Code into an offensive and defensive security agent.
• jthack/ffuf_claude_skill - Lets Claude drive FFUF for web fuzzing workflows.
• trailofbits/skills - Trail of Bits skills for security research, vulnerability detection, and audits.
• anthropics/claude-code-security-review - AI-powered security review GitHub Action that analyzes code changes for vulnerabilities.
• NVIDIA/SkillSpector - Security scanner for AI agent skills: detects vulnerabilities and prompt injection.
• cso1z/claude-ip-guard - Hook plugin for IP-based access control and account protection.
• cloudflare/security-audit-skill - Coding-agent skill for multi-phase security audits with verified findings.
• SnailSploit/Claude-Red - Library of offensive-security skills for Claude.

Domain & workflow skills

• K-Dense-AI/scientific-agent-skills - Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by.
• AlmogBaku/debug-skill - Gives your agent a real debugger: breakpoints, stepping, inspection.
• antonbabenko/terraform-skill - Terraform and OpenTofu skill: modules, CI/CD, and production patterns.
• bradautomates/claude-video - Lets Claude watch any video: downloads, extracts frames, transcribes.
• coreyhaines31/marketingskills - Marketing skills: CRO, copywriting, SEO, analytics, and growth.
• gooseworks-ai/goose-skills - Growth and GTM skills plus data APIs for Claude Code, Codex, and Cursor.
• guia-matthieu/clawfu-skills - 172 expert marketing skills for AI agents, served via the ClawFu MCP server.
• Jeffallan/claude-skills - 67 specialized skills turning Claude Code into an expert full-stack pair programmer.
• jnMetaCode/agency-agents-zh - 277 plug-and-play AI expert roles for 20+ tools across 20 departments.
• Li-Evan/Bloom - Socratic AI tutor skill grounded in Bloom's 2-sigma research.
• mhattingpete/claude-skills-marketplace - Skills for software engineering: Git automation, testing, and code review.
• muratcankoylan/Agent-Skills-for-Context-Engineering - Collection of skills for context engineering and multi-agent architectures.
• mvanhorn/last30days-skill - Researches any topic across Reddit, X, YouTube, and HN from the last 30 days.
• Orchestra-Research/AI-Research-SKILLs - Open-source library of AI research and engineering skills for any model.
• pasky/chrome-cdp-skill - Hooks your agent into your live Chrome session over CDP.
• rampstackco/claude-skills - Stack-agnostic skills covering the website lifecycle: brand, SEO, dev, ops, growth.
• sanjay3290/ai-skills - 24 cross-platform skills for Claude Code, Cursor, Codex, and Gemini CLI.
• SerhiiKorniienko/bullshit-detector - Fact-checks the internet claim-by-claim with a 0-10 BS score.
• skills-directory/skill-codex - Skill that delegates prompts to Codex from Claude Code.
• wrsmith108/linear-claude-skill - Skill for managing Linear issues, projects, and teams via MCP and SDK.
• zarazhangrui/codebase-to-course - Skill turning any codebase into an interactive HTML course.
• zxkane/aws-skills - Plugins and skills for AWS development: IaC, serverless, cost ops, AgentCore.
• kepano/obsidian-skills - Agent skills that teach agents to use Obsidian CLI and open file formats.
• phuryn/pm-skills - Marketplace of 100+ product management skills, commands and plugins for agents.
• czlonkowski/n8n-skills - Claude Code skill set for building reliable n8n workflows.
• Weizhena/Deep-Research-skills - Structured deep research skill for Claude Code, OpenCode and Codex.
• Donchitos/Claude-Code-Game-Studios - Turns Claude Code into a game dev studio with 49 agents and 72 skills.
• VoltAgent/awesome-claude-code-subagents - Collection of 100+ specialized Claude Code subagents.
• mattpocock/skills - Matt Pocock's engineering skills from his own agents directory.
• msitarzewski/agency-agents - Specialized agent personas covering engineering, design, marketing and more.
• nextlevelbuilder/ui-ux-pro-max-skill - Agent skill with design intelligence for building UI/UX across platforms.
• VoltAgent/awesome-design-md - DESIGN.md files from popular design systems for coding agents to follow.
• tt-a1i/archify - Agent skill that turns ideas, plans or codebases into interactive diagrams.
• earthtojake/text-to-cad - Gives coding agents CAD modeling abilities.
• neilsonnn/image-blaster - Image-to-world skill set for Claude.
• humanlayer/skills - HumanLayer's Claude Code skills for diagrams, visual PRs and more.
• WorldFlowAI/everything-claude-code - Claude Code toolkit of agents, commands, skills, rules and hooks.
• rehan-remade/universal-modder - Skills and tools that let Claude Code mod almost any PC game.

Hooks, status lines & usage tracking

• ccusage/ccusage - Track Claude Code usage and token spend from the terminal.
• disler/claude-code-hooks-multi-agent-observability - Real-time monitoring of agents through hook events.
• disler/claude-code-hooks-mastery - Master Claude Code hooks with patterns and examples.
• egorfedorov/claude-context-optimizer - Tracks token usage and wasted context, saving 30-50% on API costs.
• karanb192/claude-code-hooks - Hooks plus an installable marketplace: safety, cost, observability.
• kenryu42/cc-safety-net - Pre-execution guard blocking destructive git and filesystem commands.
• leeguooooo/claude-code-usage-bar - Status line with 5h/7d usage, reset countdowns, model, context window.
• mag123c/toktrack - Ultra-fast token and cost tracker for LLM usage.
• luoyuctl/agenttrace - Local-first TUI auditing agent sessions: cost, latency, failures.
• Owloops/claude-powerline - Vim-style powerline status line for Claude Code.
• shanraisshan/claude-code-hooks - Hooks that announce agent activity with voice feedback.

Context compression & management

• headroomlabs-ai/headroom - Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens.
• jia-gao/leanctx - Drop-in prompt compression cutting token bills 40-60%.
• microsoft/LLMLingua - Prompt compression up to 20x with minimal information loss.
• parcadei/Continuous-Claude-v3 - Context management via hooks: ledgers, handoffs, no context pollution.
• yvgude/lean-ctx - Context intelligence tooling for AI systems.
• mksglu/context-mode - Context window optimizer that sandboxes tool output for AI coding agents.
• ZongqianLi/500xCompressor - [ACL 2025] 500xCompressor: generalized prompt compression for LLMs.
• marv1nnnnn/llm-min.txt - Min.js-style compression of tech docs for LLM context.
• wilpel/caveman-compression - Caveman Compression: semantic compression for LLM context.
• ojuschugh1/sqz - Context compression for AI coding agents, compressing tool output.
• ooples/token-optimizer-mcp - Measure token savings per coding agent and optimize context.
• sci-m-wang/OpenCE - OpenCE: community toolkit to implement and evaluate context engineering.
• Context-Engine-AI/Context-Engine - Agentic context compression suite delivered over MCP.
• Ahren09/SARA - [ACL 2026] SARA: selective and adaptive context compression.
• microsoft/acon - ACON: optimizing context compression for long-context LLMs.
• snchimata/tokenfold - Private, provider-neutral, reversible context compression for LLMs.
• yzhangchuck/Sentinel - Sentinel: lightweight, interpretable context compression for LLMs.
• Supercompress/Supercompress - Query-aware context compression for LLMs, cutting about 65% of tokens.
• dshakes/distil - Compression with a quality contract: cache-aware and causally pruned.
• Adityapal67/context-graph-compressor - Convert long AI conversations into portable conversation state graphs.

Prompt engineering

• KhazP/vibe-coding-prompt-template - Templates for PRDs, tech designs and MVP workflows.
• f/prompts.chat - f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free.
• dair-ai/Prompt-Engineering-Guide - Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.
• anthropics/prompt-eng-interactive-tutorial - Anthropic's interactive prompt engineering tutorial.
• langgptai/LangGPT - Structured prompt framework for becoming a prompt expert.
• NirDiamant/Prompt_Engineering - 22 prompt engineering techniques with hands-on notebooks.
• promptslab/Promptify - Prompt engineering and versioning toolkit for structured output.
• promptslab/Awesome-Prompt-Engineering - Hand-curated prompt engineering resources and guides.
• ianarawjo/ChainForge - Visual environment for battle-testing prompts against LLMs.
• gepa-ai/gepa - AI-powered reflective optimization for prompts and code.

System prompt collections

• x1xhlol/system-prompts-and-models-of-ai-tools - Leaked system prompts of Cursor, Devin, Claude Code and others; study how the pros prompt.
• asgeirtj/system_prompts_leaks - Extracted system prompts from Anthropic, OpenAI and Google products.
• Piebald-AI/claude-code-system-prompts - Complete collection of Claude Code system prompts and tool definitions.

Guides & best practices

• coleam00/context-engineering-intro - Practical introduction to context engineering.
• shanraisshan/claude-code-best-practice - From vibe coding to agentic engineering.
• danielrosehill/Claude-Code-Projects-Index - Index of starter templates and projects for Claude Code.
• ithiria894/awesome-claude-code-workflows - Workflow recipes combining hooks, MCP, skills, agents, and CLAUDE.md.
• jasontang-ai/Context-Engineering - Guide to filling the context window with just the right information.
• kousen/claude-code-training - Slides and demos for a Claude Code training course.
• loulanyue/awesome-claude-notes - Community notes: agents, commands, skills, hooks, and workflows.
• OneRedOak/claude-code-workflows - Battle-tested workflows from day-one Claude Code use.
• wesammustafa/Claude-Code-Everything-You-Need-to-Know - Practical guide with mental models and copy-paste examples.
• ykdojo/claude-code-tips - 45+ tips for getting the most out of Claude Code.
• VILA-Lab/Dive-into-Claude-Code - Systematic analysis of Claude Code for designing agent systems.
• zebbern/claude-code-guide - Setup, commands, workflows, agents, skills, and tips from beginner to power user.

Plugin & skill directories

• hesreallyhim/awesome-claude-code - The canonical Claude Code resource list.
• ComposioHQ/awesome-claude-skills - Curated Claude Skills.
• alirezarezvani/claude-skills - 380+ skills, agents and plugins.
• heilcheng/awesome-agent-skills - Tutorials, guides and skill directories.
• quemsah/awesome-claude-plugins - Plugin adoption metrics across GitHub.
• awesome-opencode/awesome-opencode - Plugins, themes and agents for OpenCode.
• 0xNyk/awesome-hermes-agent - Skills, plugins and memory providers for Hermes.
• ai-boost/awesome-harness-engineering - Tools, patterns and evals for agent harnesses.
• sickn33/agentic-awesome-skills - Local, agent-first control plane for skill catalogs.
• jeremylongshore/tons-of-skills-marketplace - Model-agnostic skills marketplace with a canonical layout.
• wshobson/agents - Multi-harness plugin and skill marketplace for Claude Code, Codex, Cursor, OpenCode, and Copilot.
• PatrickJS/awesome-cursorrules - The definitive collection of .cursorrules for every stack.
• rohitg00/awesome-claude-code-toolkit - 135 agents, 35 skills, 176+ plugins, and 20 hooks for Claude Code.
• VoltAgent/awesome-openclaw-skills - 5,400+ OpenClaw skills, filtered and categorized.
• standardbeagle/standardbeagle-tools - Claude Code marketplace plugins: browser, code intelligence, tools.

Spec-driven development

• Fission-AI/OpenSpec - Spec-driven development (SDD) for AI coding assistants.
• github/spec-kit - Toolkit to help you get started with Spec-Driven Development.
• buildermethods/agent-os - Spec-driven development system with codebase standards.

Codebase context & packing

• yamadashy/repomix - Packs an entire repository into one AI-friendly file for LLM context.
• coderamp-labs/gitingest - Turn any GitHub URL into a prompt-friendly codebase extract.
• mohsen1/yek - Fast Rust tool serializing repo files for LLM consumption.
• mufeedvh/code2prompt - CLI converting a codebase into one prompt with tree, templates, token count.
• repoprompt/repoprompt-ce - Native macOS context-engineering app for AI coding agents.
• zilliztech/claude-context - Code search MCP that makes an entire codebase context for coding agents.
• oraios/serena - Coding agent toolkit with semantic code understanding.
• cyberchitta/llm-context.py - Share code with LLMs via MCP or clipboard, with rule-based customization.

Skill tooling & rules sync

• activeloopai/hivemind - Turns coding-agent session traces into reusable skills across agents.
• agent-sh/agnix - Linter for agent configs: validates SKILL.md, CLAUDE.md, hooks, and MCP definitions.
• hqhq1025/skill-optimizer - Lifecycle toolkit: mine workflows, audit skills, and personalize from session data.
• sentient-agi/EvoSkill - Automatically discovers and synthesizes reusable skills from failed trajectories.
• tigerless-labs/autoharness - Self-learning skill layer for Claude Code that distills sessions into skills.
• iflytek/skillhub - Self-hosted agent skill registry for publishing and versioning skill packages.
• greyhaven-ai/autocontext - Recursive self-improving harness for agent success.
• dyoshikawa/rulesync - Utility CLI syncing agent rules across coding tools.
• Gentleman-Programming/gentle-ai - Configures the coding agents you already use, including Claude Code and Cursor.
• Piebald-AI/tweakcc - Customize Claude Code's system prompts, toolsets, and themes.
• pchalasani/claude-code-tools - Productivity tools for Claude Code, Codex-CLI, and similar agents.
• xingkongliang/skills-manager - Desktop app to manage and sync agent skills across 50+ coding tools.