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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190 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

    AI agents can generate code, but they still struggle to understand what they build. Reticle gives them runtime perception of web & desktop applications.

    TypeScript
    • agent-skill
    • agent-skills
    • agent-testing
    • agent-verification
    • ai-testing-tool

    githubmeasured growthOpen source ↗

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

    417GitHub stars+36 (+9.4 %)
  2. 2

    Skill
    Active

    Agent skills for useful HTML artifacts, wireframes, interactive prototypes, plans, and diagrams.

    HTMLLicense: MIT
    • agent-skills
    • claude-code
    • codex
    • html-artifacts
    • html-prototype

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/plannotator/effective-html ~/.claude/skills/effective-html

    2 927GitHub stars+247 (+9.2 %)
  3. 3

    Skill
    Active

    The meta-skill that builds and improves all your skills, including itself. Watches your work sessions (autonomous or human-led), captures patterns, corrections and judgement calls, and turns them into skill improvements and new skill…

    Python
    • agent-skills
    • agentic-skills
    • ai-skills
    • augmented-expertise
    • awesome-skills

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/rebelytics/one-skill-to-rule-them-all ~/.claude/skills/one-skill-to-rule-them-all

    2 336GitHub stars+194 (+9.1 %)
  4. 4

    Skill
    Active

    Open-source, local-first conversational AI video editor with a professional multi-track timeline, Agent Skills, MCP integration, and Remotion rendering.

    TypeScriptLicense: AGPL-3.0
    • agent-skills
    • agentic-ai
    • ai-agent
    • ai-video-editor
    • capcut

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/0xsline/OpenChatCut ~/.claude/skills/OpenChatCut

    1 565GitHub stars+122 (+8.5 %)
  5. 5

    Skill
    Active

    Beautiful, AI-native markdown IDE and LLM wiki

    TypeScriptLicense: GPL-3.0
    • 2nd-brain
    • agent-skills
    • claude
    • codex
    • company-brain

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/inkeep/open-knowledge ~/.claude/skills/open-knowledge

    3 987GitHub stars+308 (+8.4 %)
  6. 6

    Skill
    Active

    Turn Claude into a Senior Design Architect — DTCG design tokens, 42 components, WCAG 2.2 accessibility, any-framework code, 138 design systems, and runnable skills.

    JavaScript
    • accessibility
    • ai-agents
    • claude
    • claude-code
    • claude-skills

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/plugin87/ux-ui-agent-skills ~/.claude/skills/ux-ui-agent-skills

    873GitHub stars+66 (+8.2 %)
  7. 7

    Skill
    Active

    Agent skill: make LLMs write docs in ASD-STE100 Simplified Technical

    PythonLicense: MIT

      githubmeasured growthOpen source ↗

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

      3 152GitHub stars+238 (+8.2 %)
    • 8

      Skill
      Active

      The trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 payments, escrow, and dispute resolution as one open, catch-all Agent Skill / Claude Code plugin.

      TypeScript
      • a2a
      • adjudication
      • agent-payments
      • agent-skills
      • agentic-commerce

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/internet-court/internet-court-skill ~/.claude/skills/internet-court-skill

      5 359GitHub stars+390 (+7.8 %)
    • 9

      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

      41 622GitHub stars+2 996 (+7.8 %)
    • 10

      Skill
      Active

      Turn reference UIs (images, screenshots, URLs) into quantified Design DNA JSON—tokens, qualitative style, visual effects—then generate matching UI from your content.

      JavaScriptLicense: MIT
      • agent-skills
      • claude-skills
      • codex-skills
      • cursor-skills
      • design-dna

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/zanwei/design-dna ~/.claude/skills/design-dna

      1 680GitHub stars+119 (+7.6 %)
    • 11

      Skill
      Active

      实习.skill — 双非也能拿大厂 offer。帮你改简历、抠面经、准备面试，把真实背景翻译成面试官想要的样子。

      Python
      • agent-skills
      • ai-agent
      • claude-skill
      • interview-preparation
      • job-search

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/agentenatalie/get-job.skill ~/.claude/skills/get-job.skill

      490GitHub stars+34 (+7.5 %)
    • 12

      Skill
      Active

      A browser inside your terminal

      RustLicense: MIT
      • browser
      • claude-code
      • claude-skills
      • cli
      • codex

      githubmeasured growthOpen source ↗

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

      2 565GitHub stars+177 (+7.4 %)
    • 13

      Skill
      Active

      AI 解说大师 — Agent skill；封装 narrator-ai-cli 供 Claude/Codex 等工具调用

      License: MIT
      • agent-skills
      • ai-agent
      • ai-video
      • claude-code
      • claude-code-skill

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/NarratorAI-Studio/narrator-ai-cli-skill ~/.claude/skills/narrator-ai-cli-skill

      2 535GitHub stars+173 (+7.3 %)
    • 14

      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

      123 672GitHub stars+8 182 (+7.1 %)
    • 15

      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

      30 343GitHub stars+2 006 (+7.1 %)
    • 16

      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.

      JavaScriptLicense: MIT
      • agent-skills
      • claude
      • claude-code
      • claude-design
      • cursor

      githubmeasured growthOpen source ↗

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

      3 872GitHub stars+241 (+6.6 %)
    • 17

      Skill
      Active

      An AI workflow skill pack for research, competitions, and innovation projects.

      PythonLicense: MIT
      • academic-writing
      • agent-skills
      • ai-agent
      • ai-skills
      • claude-code

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/Light0305/Light-skills ~/.claude/skills/Light-skills

      582GitHub stars+36 (+6.6 %)
    • 18

      Skill
      Active

      AI agent skills for the personal operator's craft — decisions, research, second-brain, content rotation, scenario modeling, and meta-skills to author more. Works with Claude Code, Codex, Cursor.

      License: MIT
      • agent-skills
      • ai-agents
      • claude-code
      • claude-skills
      • personal-knowledge-management

      githubmeasured growthOpen source ↗

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

      767GitHub stars+47 (+6.5 %)
    • 19

      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

      26 980GitHub stars+1 611 (+6.4 %)
    • 20

      Skill
      Active

      去 AI 味：去除简体中文 AI 写作痕迹 / Chinese humanizer skill

      ShellLicense: MIT
      • agent-skills
      • ai-writing
      • chinese
      • claude-code
      • codex

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/LifelongLazyLearner/qu-ai-wei ~/.claude/skills/qu-ai-wei

      527GitHub stars+31 (+6.2 %)
    • 21

      Skill
      Active

      Autoprompt is a coding-agent skill that cuts failures by 45% on agentic coding tasks.

      JavaScriptLicense: MIT
      • agent-orchestration
      • agent-skills
      • agentic-workflows
      • ai-agents
      • ai-coding

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/Spielewoy/autoprompt-skill ~/.claude/skills/autoprompt-skill

      982GitHub stars+57 (+6.2 %)
    • 22

      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 305GitHub stars+1 573 (+5.9 %)

    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

      Claude-Code-Everything-You-Need-to-Know

      MCP
      ActiveOpen source ↗

      A practical Claude Code guide with clear mental models and copy-paste examples — setup, prompt engineering, slash commands, skills, hooks, subagents, agent teams, and MCP servers. Beginner path to power-user depth. Featured in Awesome…

      PythonLicense: MIT
      • agent-skills
      • agentic-coding
      • ai-agents
      • anthropic
      • anthropic-claude
      githubResourcemeasured growth
      2 940GitHub stars+238 (+8.8 %)
    2. 2

      autoharness

      Skill
      ActiveOpen source ↗

      Autoharness — a self-learning skill layer for Claude Code — distills skills from your real sessions, updates them as you work, and prunes the ones that stop getting used. No daemon, no benchmark.

      PythonLicense: MIT
      • agent-skills
      • claude-code
      • claude-code-plugin
      • llm-agents
      • python
      github

      Install /plugin marketplace add tigerless-labs/autoharness

      Resourcemeasured growth
      1 411GitHub stars+89 (+6.7 %)
    3. 3

      rust-skills

      Skill
      ActiveOpen source ↗

      A collection of 265 rules across 26 categories that AI coding agents can use to write idiomatic, fast, and safe Rust.

      PythonLicense: MIT
      • agent-skills
      • ai-coding
      • best-practices
      • claude-code
      • code-quality
      github

      Install git clone https://github.com/leonardomso/rust-skills ~/.claude/skills/rust-skills

      Resourcemeasured growth
      482GitHub stars+27 (+5.9 %)