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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188 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

    817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI,…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/mukul975/Anthropic-Cybersecurity-Skills ~/.claude/skills/Anthropic-Cybersecurity-Skills

    32 183GitHub stars+547 (+1.7 %)
  2. 2

    Skill
    Active

    Production-grade engineering skills for AI coding agents.

    githubmeasured growthOpen source ↗

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

    92 299GitHub stars+1 539 (+1.7 %)
  3. 3

    Skill
    Active

    🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files,…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/nexu-io/open-design ~/.claude/skills/open-design

    94 118GitHub stars+1 471 (+1.6 %)
  4. 4
    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 933GitHub stars+302 (+1.4 %)
  5. 5

    Skill
    Active

    Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

    githubmeasured growthOpen source ↗

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

    3 174GitHub stars+38 (+1.2 %)
  6. 6

    Skill
    Active

    claude-red is a curated library of offensive security skills designed for the Claude skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface — from SQLi to…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/SnailSploit/Claude-Red ~/.claude/skills/Claude-Red

    3 026GitHub stars+27 (+0.90 %)

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
    DormantOpen source ↗

    Claude Design DESIGN.md prompts by aesthetic family, remix recipes, skills, video teardowns, X signal, honest community takes.

    github

    Install git clone https://github.com/rohitg00/awesome-claude-design ~/.claude/skills/awesome-claude-design

    Resourcemeasured growth
    1 050GitHub stars+18 (+1.7 %)
  2. 2
    ActiveOpen source ↗

    An open, curated collection of Agent Skills for scientific research — clone it, use it, extend it!

    github

    Install git clone https://github.com/InternScience/Awesome-Scientific-Skills ~/.claude/skills/Awesome-Scientific-Skills

    Resourcemeasured growth
    534GitHub stars+9 (+1.7 %)
  3. 3
    DormantOpen source ↗

    做企业 AI 视频项目逼出来的工具包 · 411 prompt · 15 模型 · 7 Claude Skill · 14 篇方法论

    github

    Install git clone https://github.com/cclank/lanshu-awesome-ai-video-kit ~/.claude/skills/lanshu-awesome-ai-video-kit

    Resourcemeasured growth
    387GitHub stars+6 (+1.6 %)
  4. 4
    ActiveOpen source ↗

    AI Agent Skill to generate and render beautiful Mermaid diagrams as SVG or terminal ASCII — 15 themes, 6 diagram types, batch CLI, no browser.

    github

    Install git clone https://github.com/imxv/Pretty-mermaid-skills ~/.claude/skills/Pretty-mermaid-skills

    Resourcemeasured growth
    1 182GitHub stars+18 (+1.5 %)
  5. 5
    ActiveOpen source ↗

    A curated collection of 1000+ agent skills from official dev teams and the community, compatible with Claude Code, Codex, Gemini CLI, Cursor, and more.

    github

    Install git clone https://github.com/VoltAgent/awesome-agent-skills ~/.claude/skills/awesome-agent-skills

    Resourcemeasured growth
    33 767GitHub stars+493 (+1.5 %)
  6. 6
    ActiveOpen source ↗

    Curated Agent Skills for Microsoft & Azure – giving AI coding assistants structured, real-time expertise from Microsoft Learn docs.

    github

    Install git clone https://github.com/MicrosoftDocs/Agent-Skills ~/.claude/skills/Agent-Skills

    Resourcemeasured growth
    734GitHub stars+10 (+1.4 %)
  7. 7
    ActiveOpen source ↗

    面向中文开发者的 Claude Code Skills / Agents / Plugins 精选与原创技能库|按场景分类|复制即装|持续更新

    github

    Install git clone https://github.com/laolaoshiren/claude-code-skills-zh ~/.claude/skills/claude-code-skills-zh

    Resourcemeasured growth
    817GitHub stars+11 (+1.4 %)
  8. 8
    ActiveOpen source ↗

    Automated collection of Claude Code plugin adoption metrics across GitHub repositories using n8n workflows

    github

    Install /plugin marketplace add quemsah/awesome-claude-plugins

    Resourcemeasured growth
    1 265GitHub stars+17 (+1.4 %)
  9. 9

    engram

    Skill
    ActiveOpen source ↗

    Evidence-based learning engine — first-principles curricula, free-recall verification with receipts, FSRS-scheduled memory, and explorable artifacts. Learn anything; keep it.

    github

    Install /plugin marketplace add nagisanzenin/engram

    Resourcemeasured growth
    1 395GitHub stars+17 (+1.2 %)
  10. 10
    DormantOpen source ↗

    🌳 AI-Powered Skill Tree for Lifelong Human Learning. 30+ skills from K-12 to career & social intelligence, built on cognitive science. | 人类养成记:AI 驱动的终身学习技能树

    githubResourcemeasured growth
    544GitHub stars+6 (+1.1 %)
  11. 11
    ActiveOpen source ↗

    A curated list of awesome LLM and AI Agent Skills, resources and tools for customising AI Agent workflows - that works with Claude Code, Codex, Gemini CLI and your custom AI Agents

    github

    Install git clone https://github.com/Prat011/awesome-llm-skills ~/.claude/skills/awesome-llm-skills

    Resourcemeasured growth
    1 722GitHub stars+18 (+1.1 %)
  12. 12
    ActiveOpen source ↗

    Independent directory of useful skills, plugins, memory providers, tools, surfaces, and guides for Nous Research's open-source Hermes Agent.

    github

    Install git clone https://github.com/0xNyk/awesome-hermes-agent ~/.claude/skills/awesome-hermes-agent

    Resourcemeasured growth
    5 556GitHub stars+58 (+1.1 %)
  13. 13
    ActiveOpen source ↗

    A curated list of Plugins that let you extend Claude Code with custom commands, agents, hooks, and MCP servers through the plugin system.

    githubResourcemeasured growth
    1 929GitHub stars+18 (+0.94 %)
  14. 14
    ActiveOpen source ↗

    倪海厦中医课程资料的 Agent Skill:支持课程检索、方证穴位辨析、学习笔记整理与板书截图证据索引。 | An Agent Skill for Ni Haisha TCM course study, formula-pattern lookup, acupoint reference, and screenshot evidence indexing.

    github

    Install git clone https://github.com/JuneYaooo/nihaisha-nishi-tcm ~/.claude/skills/nihaisha-nishi-tcm

    Resourcemeasured growth
    2 050GitHub stars+19 (+0.94 %)
  15. 15
    ActiveOpen source ↗

    A curated collection of Agent Skills for working with dbt, to help AI agents understand and execute dbt workflows more effectively.

    github

    Install git clone https://github.com/dbt-labs/dbt-agent-skills ~/.claude/skills/dbt-agent-skills

    Resourcemeasured growth
    701GitHub stars+6 (+0.86 %)
  16. 16
    ActiveOpen source ↗

    A collection of skills for AI financial analysis.

    github

    Install git clone https://github.com/himself65/finance-skills ~/.claude/skills/finance-skills

    Resourcemeasured growth
    3 285GitHub stars+28 (+0.86 %)
  17. 17

    skills

    Skill
    ActiveOpen source ↗

    A collection of Claude Skills from Posit

    github

    Install /plugin marketplace add posit-dev/skills

    Resourcemeasured growth
    490GitHub stars+4 (+0.82 %)
  18. 18
    ActiveOpen source ↗

    An unappealing collection of Claude Skills and resources.

    github

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

    Resourcemeasured growth
    394GitHub stars+3 (+0.77 %)
  19. 19
    ActiveOpen source ↗

    VexJoy AI Agent with Intelligent Routing - /do routes plain-English requests to the right specialist agent and gates the work with reviews, tests, and a learning loop.

    github

    Install git clone https://github.com/notque/vexjoy-agent ~/.claude/skills/vexjoy-agent

    Resourcemeasured growth
    420GitHub stars+3 (+0.72 %)