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 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
    Active

    A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

    githubmeasured growthOpen source ↗

    42 066GitHub stars+216 (+0.52 %)
  2. 2
    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…

    githubmeasured growthOpen source ↗

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

    41 627GitHub stars+6 223 (+17.6 %)
  3. 3

    Skill
    Active

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

    githubmeasured growthOpen source ↗

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

    39 687GitHub stars+1 315 (+3.4 %)
  4. 4

    Skill
    Active

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

    githubmeasured growthOpen source ↗

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

    39 337GitHub stars+132 (+0.34 %)
  5. 5

    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.

    githubmeasured growthOpen source ↗

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

    30 694GitHub stars+92 (+0.30 %)
  6. 6

    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.

    githubmeasured growthOpen source ↗

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

    30 405GitHub stars+105 (+0.35 %)
  7. 7
    Active

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

    githubmeasured growthOpen source ↗

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

    29 299GitHub stars+1 283 (+4.6 %)
  8. 8
    Active

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

    githubmeasured growthOpen source ↗

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

    27 824GitHub stars+1 525 (+5.8 %)
  9. 9
    Active

    Persistent file-based planning for AI coding agents and long-running tasks. Crash-proof markdown plans, session recovery after /clear and compaction, per-turn re-injection against context rot, deterministic completion gate. Manus-style.…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/OthmanAdi/planning-with-files ~/.claude/skills/planning-with-files

    26 566GitHub stars+176 (+0.67 %)
  10. 10

    Skill
    Active

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

    githubmeasured growthOpen source ↗

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

    26 443GitHub stars+1 404 (+5.6 %)
  11. 11

    Skill
    Active

    PM Skills Marketplace: 100+ agentic skills, commands, and plugins — from discovery to strategy, execution, launch, and growth.

    githubmeasured growthOpen source ↗

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

    25 892GitHub stars+165 (+0.64 %)
  12. 12

    Skill
    Active

    githubmeasured growthOpen source ↗

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

    25 561GitHub stars+148 (+0.58 %)
  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 391GitHub stars+288 (+1.1 %)
  14. 14

    Skill
    Active

    Specification and documentation for Agent Skills

    githubmeasured growthOpen source ↗

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

    24 945GitHub stars+149 (+0.60 %)
  15. 15
    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

    24 708GitHub starsstable
  16. 16

    Skill
    Active

    Distilly — Distill how they think into reusable Skills for any Agent or Bot. Formerly Colleague Skill(原同事 Skill).

    githubmeasured growthOpen source ↗

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

    24 251GitHub stars+194 (+0.81 %)
  17. 17
    Active

    数字生命卡兹克开源的 AI Skills 合集 | Agent Skills: leader(帮你定义目标), neat-freak 洁癖, hv-analysis, khazix-writer & more — Claude Code, Codex & 40+ agents

    githubmeasured growthOpen source ↗

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

    20 345GitHub stars+174 (+0.86 %)
  18. 18
    Active

    🎭 267 个即插即用的 AI 专家角色 — 支持 Hermes Agent/Claude Code/Cursor/Copilot 等 18 种工具,覆盖工程/设计/营销/金融等 20 个部门。含 52 个中国市场原创智能体(小红书/抖音/微信/飞书/钉钉等)。搭配编排器 agency-orchestrator,一句话即可让多位专家按 DAG 自动协作。

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/jnMetaCode/agency-agents-zh ~/.claude/skills/agency-agents-zh

    20 196GitHub stars+177 (+0.88 %)
  19. 19
    Active

    Unofficial Python API and agentic skill for Google Gemini Notebook. Full programmatic access to NotebookLM's features—including capabilities the web UI doesn't expose—via Python, CLI, and AI agents like Claude Code, Codex, and OpenClaw.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/teng-lin/notebooklm-py ~/.claude/skills/notebooklm-py

    19 069GitHub stars+101 (+0.53 %)
  20. 20

    Skill
    Active

    The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️

    githubmeasured growthOpen source ↗

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

    17 037GitHub stars+8 (+0.05 %)
  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 598GitHub stars+184 (+1.1 %)
  22. 22

    Skill
    Active

    Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e-commerce SEO, international SEO, Google APIs, and PDF/Excel…

    githubmeasured growthOpen source ↗

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

    16 070GitHub stars+486 (+3.1 %)
  23. 23

    Skill
    Active

    A lightweight, lightning-fast, in-process vector database

    githubmeasured growthOpen source ↗

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

    15 591GitHub stars+62 (+0.40 %)
  24. 24
    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 584GitHub stars+229 (+1.5 %)
  25. 25

    Skill
    Active

    Eigent: The Open Source Cowork Desktop - Local and Free Alternative to Claude Cowork and Codex

    githubmeasured growthOpen source ↗

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

    15 173GitHub stars+28 (+0.18 %)