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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175 entries in this view.

Tool ranking

Ranked by normalized popularity 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,…

    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 %)
  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

    TypeScriptLicense: MIT
    • ai-agents
    • ai-assistant
    • claude-code
    • claude-skills
    • openclaw

    githubmeasured growthOpen source ↗

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

    30 702GitHub 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.

    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 %)
  4. 4

    Skill
    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,…

    PythonLicense: Apache-2.0
    • ai-agents
    • claude-code
    • cloud-security
    • cybersecurity
    • devsecops

    githubmeasured growthOpen source ↗

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

    32 183GitHub stars+547 (+1.7 %)
  5. 5

    Skill
    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 &…

    GoLicense: Apache-2.0
    • agent
    • agent-skills
    • code-review
    • code-review-assistant
    • harness

    githubmeasured growthOpen source ↗

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

    21 933GitHub stars+302 (+1.4 %)
  6. 6

    Skill
    Active

    OmO: Drop your tokens. Ultrawork. Done.

    TypeScript
    • ai
    • ai-agents
    • anthropic
    • chatgpt
    • claude

    githubmeasured growthOpen source ↗

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

    68 701GitHub stars+188 (+0.27 %)
  7. 7

    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 %)
  8. 8

    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 %)
  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

    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 %)
  11. 11

    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 %)
  12. 12

    Skill
    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.

    TypeScriptLicense: MIT
    • antigravity-skills
    • business-knowledge
    • claude-code
    • claude-skills
    • codebase-analysis

    githubmeasured growthOpen source ↗

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

    81 512GitHub stars+495 (+0.61 %)
  13. 13

    Skill
    Active

    A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

    Python
    • agent-skills
    • ai-agents
    • antigravity
    • automation
    • claude

    githubmeasured growthOpen source ↗

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

    74 480GitHub stars+523 (+0.71 %)
  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

    AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

    TypeScriptLicense: AGPL-3.0
    • agent-skills
    • ai-agent
    • claude-code
    • codex
    • deepseek

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/CherryHQ/cherry-studio ~/.claude/skills/cherry-studio

    51 446GitHub stars+210 (+0.41 %)
  16. 16

    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 %)
  17. 17

    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 %)
  18. 18

    Skill
    Active

    AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,100+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

    PythonLicense: MIT
    • agent-skills
    • agentic-skills
    • ai-agent-skills
    • ai-agents
    • ai-coding

    githubmeasured growthOpen source ↗

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

    45 984GitHub stars+328 (+0.72 %)
  19. 19

    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 %)
  20. 20

    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 %)
  21. 21

    Skill
    Active

    Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, and Google Antigravity

    PythonLicense: MIT
    • agent-skills
    • agentic-ai
    • agents
    • ai-agents
    • anthropic

    githubmeasured growthOpen source ↗

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

    39 426GitHub stars+177 (+0.45 %)
  22. 22

    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 %)
  23. 23

    Skill
    Active

    Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.

    RustLicense: Apache-2.0
    • agent-skills
    • ai-agent
    • automation
    • cli
    • discovery-api

    githubmeasured growthOpen source ↗

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

    30 742GitHub stars+98 (+0.32 %)
  24. 24

    Skill
    Active

    Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

    PythonLicense: Apache-2.0
    • agent-memory
    • agent-skills
    • ai
    • ai-agents
    • ai-memory

    githubmeasured growthOpen source ↗

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

    30 474GitHub stars+132 (+0.44 %)

Learning resources

Ranked by normalized popularity 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 %)