Agent skills for developers

Cross-domain view of skills and extensions for coding agents found in stored snapshots from every domain. No collection starts during your visit.

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167 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

    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

    93 663GitHub stars+1 547 (+1.7 %)
  2. 2

    Skill
    Active

    A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/nanocoai/nanoclaw ~/.claude/skills/nanoclaw

    30 685GitHub stars+57 (+0.19 %)
  3. 3

    Skill
    Active

    Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.

    githubmeasured growthOpen source ↗

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

    15 726GitHub stars+675 (+4.5 %)
  4. 4

    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 018GitHub stars+32 (+1.1 %)
  5. 5

    Skill
    Active

    Active Directory pentest methodology for Claude Code: skills, agents and slash commands for internal AD red-team work (Kerberoasting, ADCS ESC1-17, DCSync, ACL abuse, NTLM relay, delegation), with per-technique OPSEC/telemetry notes. Drives…

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add ADScanPro/Claude-AD

    143GitHub stars+13 (+10.0 %)
  6. 6
    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 043GitHub stars+630 (+2.0 %)
  7. 7
    Active

    Teach your AI to draw correct, beautiful draw.io diagrams — declarative layout engine, ground-truth stencils, structural validator, vision self-check. AWS · Azure · GCP · Databricks · BPMN. Zero dependencies.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/sparklabx/drawio-ai-kit ~/.claude/skills/drawio-ai-kit

    638GitHub stars+3 (+0.47 %)
  8. 8

    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 698GitHub stars+86 (+5.3 %)
  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 841GitHub stars+303 (+1.4 %)
  10. 10

    Skill
    Active

    For You Agent——AI 时代的个人随身数字人格。把你的模型、AI 账号、技能、提示词和工作方式,带到每一个 AI 工具里。

    githubmeasured growthOpen source ↗

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

    948GitHub stars+418 (+78.9 %)
  11. 11
    Active

    A browser inside your terminal

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/zenbu-labs/terminal-browser ~/.claude/skills/terminal-browser

    2 519GitHub stars+166 (+7.1 %)
  12. 12
    Active

    omo/lazycodex: The coding agent for tokenmaxxers;the one and only agent harness for complex codebases. For your Codex, for your OpenCode

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/oh-my-openagent

    68 622GitHub stars+169 (+0.25 %)
  13. 13
    Active

    J-Space Cognition Suite V3.7 - AI cognitive-enhancement Skills based on Anthropic's J-space global workspace research. | 哔哩哔哩:Tiger380 (UID 3494375382321675) — https://space.bilibili.com/3494375382321675

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Tiger3807861189/J-Space-Cognition-Suite-V3.7 ~/.claude/skills/J-Space-Cognition-Suite-V3.7

    2 998GitHub stars-19 (-0.63 %)
  14. 14

    Skill
    Active

    🎨 Open-source AI slide studio inside Codex: image-native decks, every slide a full visual canvas. ⚡ 10+ high-quality slides in ~4–5 minutes — Fast mode renders every page in parallel. 🔍 Watch the whole chain live: research → outline → style…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/nexu-io/codex-slides ~/.claude/skills/codex-slides

    864GitHub stars+18 (+2.1 %)
  15. 15
    Active

    An AI-agent skill that generates browser-editable presentations from multiple visual themes, exportable to HTML, PDF, and PPTX.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/chuspeeism/dashi-ppt-skill ~/.claude/skills/dashi-ppt-skill

    7 360GitHub stars+793 (+12.1 %)
  16. 16

    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

    91 752GitHub stars+1 445 (+1.6 %)
  17. 17

    Skill
    Active

    Run Claude Design locally as an Agent Skill — Cursor, Claude Code & more. Produce polished UI mockups, prototypes, decks & wireframes as self-contained HTML, without claude.ai/design. Best with Opus 4.8.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/JimLiu/baoyu-design ~/.claude/skills/baoyu-design

    3 829GitHub stars+206 (+5.7 %)
  18. 18

    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 043GitHub stars+717 (+0.78 %)
  19. 19
    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 474GitHub stars+120 (+3.6 %)
  20. 20
    Active

    AI video skill for Claude Code & Codex — cinematic product videos with Remotion: 152 shot recipe cards, 209 motion previews, a production-ready template

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Vincentwei1021/video-shotcraft ~/.claude/skills/video-shotcraft

    7 176GitHub stars+652 (+10.0 %)
  21. 21

    Skill
    Active

    Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Graphify-Labs/graphify ~/.claude/skills/graphify

    114 054GitHub stars+2 404 (+2.2 %)
  22. 22

    Skill
    Active

    Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add DietrichGebert/ponytail

    121 885GitHub stars+7 647 (+6.7 %)
  23. 23
    Active

    Data visualization Skill for AI Agents, turning data into polished, interactive HTML charts. 面向 AI Agents 的数据可视化 Skill,将数据快速生成精致、可交互的 HTML 图表。

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/larashero3-dotcom/lieflat-charts ~/.claude/skills/lieflat-charts

    3 852GitHub stars+1 904 (+97.7 %)

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 793GitHub stars+1 057 (+0.78 %)
  2. 2
    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
    699GitHub stars+9 (+1.3 %)