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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184 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

    Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.

    JavaScriptLicense: MIT
    • agent-skills
    • architecture-as-code
    • architecture-diagram
    • claude-skill
    • code-visualization

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/tt-a1i/archify ~/.claude/skills/archify

    48 224GitHub stars+16 835 (+53.6 %)
  2. 2

    Skill
    Active

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

    JavaScriptLicense: MIT
    • agent-skills
    • ai-agents
    • claude
    • claude-code
    • claude-code-plugin

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add DietrichGebert/ponytail

    126 303GitHub stars+9 838 (+8.4 %)
  3. 3

    Skill
    Active

    Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 190,000+ scientists worldwide. 165 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug…

    PythonLicense: MIT
    • agent-skills
    • ai-scientist
    • bioinformatics
    • chemoinformatics
    • claude

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/K-Dense-AI/scientific-agent-skills ~/.claude/skills/scientific-agent-skills

    42 664GitHub stars+4 642 (+12.2 %)
  4. 4

    Skill
    Active

    Agent skill that removes signs of AI-generated writing from text

    PythonLicense: MIT
    • agent-skills
    • ai-writing
    • claude-code
    • codex
    • cursor

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/blader/humanizer ~/.claude/skills/humanizer

    42 798GitHub stars+3 978 (+10.2 %)
  5. 5

    Skill
    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。

    HTML
    • agent-skills
    • charts
    • claude-code
    • codex
    • data-visualization

    githubmeasured growthOpen source ↗

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

    4 652GitHub stars+2 652 (+132.6 %)
  6. 6

    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.

    PythonLicense: Apache-2.0
    • ai-agents
    • antigravity
    • ast
    • claude-code
    • code-analysis

    githubmeasured growthOpen source ↗

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

    114 805GitHub stars+2 468 (+2.2 %)
  7. 7

    Skill
    Active

    38 editorial diagram types for Claude Code, Codex, and Pi. Self-contained HTML + SVG. No shadows. No Mermaid slop.

    HTMLLicense: MIT
    • agent-skills
    • claude-code
    • codex
    • data-visualization
    • diagrams

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/cathrynlavery/diagram-design ~/.claude/skills/diagram-design

    31 015GitHub stars+2 402 (+8.4 %)
  8. 8

    Skill
    Active

    Public repository for Agent Skills

    Python
    • agent-skills

    githubmeasured growthOpen source ↗

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

    174 168GitHub stars+1 682 (+0.98 %)
  9. 9

    Skill
    Active

    Production-grade engineering skills for AI coding agents.

    JavaScriptLicense: MIT
    • agent-skills
    • antigravity
    • claude-code
    • codex
    • cursor

    githubmeasured growthOpen source ↗

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

    92 299GitHub stars+1 539 (+1.7 %)
  10. 10

    Skill
    Active

    A skill to stop your coding agent from burying the answer. ADHD-friendly output.

    PythonLicense: MIT
    • adhd
    • claude-
    • claude-code-plugin
    • claude-skills
    • developer-tools

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add ayghri/i-have-adhd

    27 124GitHub stars+1 535 (+6.0 %)
  11. 11

    Skill
    Active

    Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

    PythonLicense: MIT
    • agent-skills
    • ai-agents
    • book-to-skill
    • context-engineering
    • document-processing

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skill

    28 556GitHub stars+1 487 (+5.5 %)
  12. 12

    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,…

    TypeScriptLicense: Apache-2.0
    • agent-skills
    • ai-design
    • byok
    • claude-code-for-design
    • claude-design

    githubmeasured growthOpen source ↗

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

    94 118GitHub stars+1 471 (+1.6 %)
  13. 13

    Skill
    Active

    De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional…

    PythonLicense: MIT
    • agent-skills
    • ai-writing
    • antigravity
    • claude-code
    • codex

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Nanako0129/sepia ~/.claude/skills/sepia

    2 087GitHub stars+1 407 (+206.9 %)
  14. 14

    Skill
    Active

    AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

    PythonLicense: MIT
    • ai-prompts
    • ai-skill
    • bluesky
    • claude
    • claude-code

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/mvanhorn/last30days-skill ~/.claude/skills/last30days-skill

    61 266GitHub stars+1 041 (+1.7 %)
  15. 15

    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.

    PythonLicense: Apache-2.0
    • agent-security
    • agent-skills
    • agentic-ai
    • ai-security
    • claude-code

    githubmeasured growthOpen source ↗

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

    16 172GitHub stars+959 (+6.3 %)
  16. 16

    Skill
    Active

    An agent organization for Claude Code, structured as a company — 15+ departments, 125+ skills, each independently installable.

    MarkdownLicense: MIT
    • agent-marketplace
    • claude-code
    • claude-code-plugin
    • claude-plugin
    • claude-skills

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add cbrock84/headcount

    1 247GitHub stars+949 (+318.5 %)
  17. 17

    Skill
    Active

    Stop That Shit（别再造史了）｜面向 Codex/GPT 场景的多平台 Hook + Skill Guard：拦截 AI coding agent 无需求的哈希、校验和与任务范围膨胀。 A multi-platform Hook + Skill Guard for AI coding agents in Codex/GPT workflows: stop unrequested hashes, checksums, and task-scope creep.

    JavaScriptLicense: MIT
    • agent-skills
    • ai-agents
    • ai-coding
    • claude-code
    • codex

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/lennney/stop-that-shit ~/.claude/skills/stop-that-shit

    1 558GitHub stars+850 (+120.1 %)
  18. 18

    Skill
    Active

    Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

    JavaScriptLicense: MIT
    • claude
    • codex
    • marketing

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/coreyhaines31/marketingskills ~/.claude/skills/marketingskills

    46 914GitHub stars+833 (+1.8 %)
  19. 19

    Skill
    Active

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

    TypeScriptLicense: Apache-2.0
    • agent-skills
    • ai-agents
    • ai-video
    • claude-code
    • claude-code-skills

    githubmeasured growthOpen source ↗

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

    7 488GitHub stars+802 (+12.0 %)
  20. 20

    Skill
    Active

    The fastest browser for AI agents to run browser automation, built for sharing your logged-in browser state with your AI agents, like Codex or Claude Code, without disturbing you. Zero cost, zero config.

    JavaScriptLicense: MIT
    • agent-skills
    • ai-agent
    • automation
    • browser
    • browser-automation

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/citrolabs/ego-lite ~/.claude/skills/ego-lite

    15 047GitHub stars+723 (+5.0 %)
  21. 21

    Skill
    Active

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

    JavaScriptLicense: AGPL-3.0
    • agent-skill
    • ai-agent
    • ai-ppt
    • claude
    • claude-code

    githubmeasured growthOpen source ↗

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

    7 518GitHub stars+677 (+9.9 %)
  22. 22

    Skill
    Active

    Agent skill that turns Claude Code / Codex into a motion-design studio for voiceover-driven explainer videos — word-level voiceover sync, 78 motion recipe cards, an anti-slideshow camera system, Remotion rendering.

    HTML
    • agent-skills
    • ai-agent
    • claude
    • claude-code
    • explainer-video

    githubmeasured growthOpen source ↗

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

    730GitHub stars+663 (+989.6 %)
  23. 23

    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,…

    JavaScriptLicense: Apache-2.0
    • ai
    • ai-agents
    • ai-memory
    • anthropic
    • artificial-intelligence

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add thedotmack/claude-mem

    93 211GitHub stars+617 (+0.67 %)
  24. 24

    MCP
    Active

    From text & real sources to maintainable .drawio architecture models: Diagram IR with source-kind profiles, incremental sync preserving manual layout, multi-view projection, architecture-as-test with a CI action, query/review, what-if,…

    PythonLicense: MIT
    • agent-skills
    • architecture
    • architecture-diagram
    • bpmn
    • c4-model

    githubmeasured growthOpen source ↗

    9 043GitHub stars+570 (+6.7 %)

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

    awesome-llm-apps

    Skill
    ActiveOpen source ↗

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

    PythonLicense: Apache-2.0
    • agents
    • llms
    • python
    • rag
    github

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

    Resourcemeasured growth
    136 089GitHub stars+777 (+0.57 %)