Agent skills: tools for developers

Skills, extensions and integrations for coding agents and assisted IDEs. An entry can appear under several use cases when its topics or description provide several explicit signals.

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185 entries in this view.

Tool ranking

Ranked by measured growth, normalized across sources. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.

  1. 1
    Active

    YouTube Transcript API skills for AI agents. Get transcripts, search videos, browse channels. Works with OpenClaw, Hermes Agent, and other agent runtimes.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/ZeroPointRepo/youtube-skills ~/.claude/skills/youtube-skills

    656GitHub stars+76 (+13.1 %)
  2. 2
    Active

    Fire your SEO·GEO agency 🔥 A Claude Code skill that audits and optimizes SEO·AEO·GEO·LLMO·NEO(Naver) by itself — 월 50~350만 원짜리 'AI 검색 최적화' 대행, AI 에이전트가 대체합니다

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/leopard627/fire-your-seo-agency ~/.claude/skills/fire-your-seo-agency

    392GitHub stars+59 (+17.7 %)
  3. 3
    Active

    Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/AgriciDaniel/claude-obsidian ~/.claude/skills/claude-obsidian

    14 604GitHub stars+299 (+2.1 %)
  4. 4
    Active

    ARIS ⚔️ (Auto-Research-In-Sleep) — Lightweight Markdown-only skills for autonomous ML research: cross-model review loops, idea discovery, and experiment automation. No framework, no lock-in — works with Claude Code, Codex, OpenClaw, or any…

    githubmeasured growthOpen source ↗

    15 698GitHub stars+300 (+1.9 %)
  5. 5

    Skill
    Active

    Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini,…

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add thedotmack/claude-mem

    93 119GitHub stars+594 (+0.64 %)
  6. 6
    Active

    Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Egonex-AI/Understand-Anything ~/.claude/skills/Understand-Anything

    81 411GitHub stars+522 (+0.65 %)
  7. 7

    Skill
    Active

    An evaluation and evolution tool for Agent Skills.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/alibaba/skill-up ~/.claude/skills/skill-up

    835GitHub stars+82 (+10.9 %)
  8. 8
    Active

    Modular SenseNova skills for building AI-powered office assistants and productivity workflows

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/OpenSenseNova/SenseNova-Skills ~/.claude/skills/SenseNova-Skills

    5 331GitHub stars+185 (+3.6 %)
  9. 9
    Active

    Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI &…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/alibaba/open-code-review ~/.claude/skills/open-code-review

    21 898GitHub stars+316 (+1.5 %)
  10. 10

    Skill
    Active

    68 plug-and-play, best-practice product management skills for AI agents: 30 Triple Diamond phase + 11 foundation + 12 utility + 15 tool (Foundation Sprint + Design Sprint). Plus 6 sub-agents, workflows, 200+ output samples, guides, and…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/product-on-purpose/pm-skills ~/.claude/skills/pm-skills

    642GitHub stars+69 (+12.0 %)
  11. 11

    Skill
    Active

    An entire marketing department as one Claude skill. 14 modules: audits scored 0-100, an 18-tactic hook engine, copy graded before you see it, ad diagnosis, GEO, email, launches, pricing. Works in Claude, Codex and Cursor.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Yuzzyuk/marketing-os ~/.claude/skills/marketing-os

    468GitHub stars+59 (+14.4 %)
  12. 12
    Active

    ReachAI企业级智能体开发平台:快速、安全完成已有业务系统智能化改造,让 AI 在 OA、ERP、CRM 等原系统中查数据、填表单、办业务。ReachAI: Quickly and securely bring AI to existing enterprise systems, enabling AI to query data, fill out forms, and execute business tasks directly within OA, ERP,…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/w8123/EnterpriseAgentFramework ~/.claude/skills/EnterpriseAgentFramework

    670GitHub stars+69 (+11.5 %)
  13. 13
    Active

    380 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 380+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — engineering, marketing, product,…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/alirezarezvani/claude-skills ~/.claude/skills/claude-skills

    25 486GitHub stars+320 (+1.3 %)
  14. 14
    Active

    Search and discover Agent Skills from the skills.sh registry. Powered by HAPI MCP server.

    mcpmeasured growthOpen source ↗

    Remote server, to be declared in the MCP configuration https://skills-sh.run.mcp.com.ai/mcp

    25 012GitHub stars+304 (+1.2 %)
  15. 15
    Active

    Multi-tier framework for evaluating AI agent skills with quality gates, semantic overlap detection, synthetic evaluation dataset generation, and live agent evaluation that measures how skills affect agent behavior.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/NVIDIA/SkillEvaluator ~/.claude/skills/SkillEvaluator

    399GitHub stars+51 (+14.7 %)
  16. 16
    Active

    368 AI skills, 76 expert agents, and 859 stdlib Python tools for every team: engineering, PM, marketing, C-level, compliance, business ops, and research. Installs on Claude Code, Cursor, Codex, Gemini, Copilot, and 6 other AI assistants.

    githubmeasured growthOpen source ↗

    692GitHub stars+64 (+10.2 %)
  17. 17
    Active

    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.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/sickn33/agentic-awesome-skills ~/.claude/skills/agentic-awesome-skills

    45 932GitHub stars+324 (+0.71 %)
  18. 18
    Active

    GPT Image 2 prompt gallery, image prompt library, agentic skill, and CLI for OpenAI image generation/editing

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/wuyoscar/GPT-Image2-Skill ~/.claude/skills/GPT-Image2-Skill

    5 127GitHub stars+150 (+3.0 %)
  19. 19
    Active

    A trilingual (繁中 / English / 简中) learning roadmap for agentic AI: from LLM basics to multi-agent systems, with 240+ curated resources and hands-on examples. 中文 AI agent 學習地圖。

    githubmeasured growthOpen source ↗

    6 642GitHub stars+166 (+2.6 %)
  20. 20

    Skill
    Active

    Turn one topic into a finished Vox-style paper-collage explainer/ad video — automated end to end on Atlas Cloud + ffmpeg. An agent skill.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Alisa0808/vox-director ~/.claude/skills/vox-director

    1 717GitHub stars+92 (+5.7 %)
  21. 21

    Skill
    Active

    SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/microsoft/SkillOpt ~/.claude/skills/SkillOpt

    16 673GitHub stars+229 (+1.4 %)
  22. 22
    Active

    把 Markdown 一键排成可直接粘进公众号编辑器的精致 HTML —— 6 套精选主题 + 主题生成器 + 双关卡校验。An AI-agent skill that turns Markdown into paste-ready WeChat article HTML.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/isjiamu/gzh-design-skill ~/.claude/skills/gzh-design-skill

    3 495GitHub stars+124 (+3.7 %)

Learning resources

Ranked by measured growth, normalized across sources. These resources remain available separately and do not take part in the main tool ranking.

  1. 1
    ActiveOpen source ↗

    100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

    github

    Install git clone https://github.com/Shubhamsaboo/awesome-llm-apps ~/.claude/skills/awesome-llm-apps

    Resourcemeasured growth
    135 960GitHub stars+648 (+0.48 %)
  2. 2
    ActiveOpen source ↗

    Autoharness — a self-learning skill layer for Claude Code — distills skills from your real sessions, updates them as you work, and prunes the ones that stop getting used. No daemon, no benchmark.

    github

    Install /plugin marketplace add tigerless-labs/autoharness

    Resourcemeasured growth
    1 411GitHub stars+89 (+6.7 %)
  3. 3
    ActiveOpen source ↗

    A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at Anthropic PBC. A delectable showcase of top tier skills,…

    github

    Install git clone https://github.com/hesreallyhim/awesome-claude-code ~/.claude/skills/awesome-claude-code

    Resourcemeasured growth
    53 466GitHub stars+320 (+0.60 %)