Coding assistants: tools for developers

Programming assistants, code generation tools and developer copilots. An entry can appear under several use cases when its topics or description provide several explicit signals.

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189 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
    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.

    githubmeasured growthOpen source ↗

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

    5 262GitHub stars+358 (+7.3 %)
  2. 2
    Active

    Claude Code가 명확한 한국어를 구사하게 만드는 output-style 플러그인 | Claude Code output-style for clear, fluent Korean

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add snflkd/fluent-korean

    1 078GitHub stars+163 (+17.8 %)
  3. 3

    Other
    Active

    On-Page SEO Analyzer - Analyze your website's SEO performance

    githubmeasured growthOpen source ↗

    218GitHub stars+70 (+47.3 %)
  4. 4

    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+665 (+4.3 %)
  5. 5
    Active

    Desktop app that records your on-screen work session and uses the GitHub Copilot CLI to reconstruct it as an intent + ordered steps, then builds a reusable Skill or Automation for Microsoft Scout, Microsoft Copilot Cowork, or Copilot…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/microsoft/skill-recorder ~/.claude/skills/skill-recorder

    3 738GitHub stars+295 (+8.6 %)
  6. 6

    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+1 558 (+4.1 %)
  7. 7

    Skill
    Active

    Give your AI agent a phone number: order a private number in 200+ countries over the API, read the SMS verification code, hand the number back. The widest country coverage in the category, checkable with one API call.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/sv-number/skills ~/.claude/skills/skills

    236GitHub stars+70 (+42.2 %)
  8. 8

    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 558GitHub stars+544 (+3.6 %)
  9. 9

    Skill
    Active

    Enterprise-grade, local-first Agent Workbench for people and agent teams. A unified multi-engine workspace for Codex Harness, DeepSeek Harness, and OpenCode, with unified plugins and Skills, multi-agent projects and tasks, and editable…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Devin-AXIS/iPolloWork ~/.claude/skills/iPolloWork

    5 252GitHub stars+320 (+6.5 %)
  10. 10
    Active

    Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for Claude Code/Cursor/Windsurf, multi-platform emitters (iOS SwiftUI, Android Compose, Flutter, WordPress), Tailwind v4,…

    githubmeasured growthOpen source ↗

    4 001GitHub stars+262 (+7.0 %)
  11. 11
    Active

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

    githubmeasured growthOpen source ↗

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

    60 907GitHub stars+1 552 (+2.6 %)
  12. 12
    Active

    368 AI skills, 76 expert agents, and 859 stdlib Python tools for every team: engineering, PM, marketing, C-level, compliance, business ops, and research. Installs on Claude Code, Cursor, Codex, Gemini, Copilot, and 6 other AI assistants.

    githubmeasured growthOpen source ↗

    675GitHub stars+107 (+18.8 %)
  13. 13
    Active

    AI agent skills for social media research. Outlier posts, comment mining, competitor teardowns, ad libraries & trends across TikTok, Instagram, YouTube, Reddit, X, LinkedIn & more. Powered by ScrapeCreators. Works with Claude Code, Cursor,…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/ScrapeCreators/social-media-research-skills ~/.claude/skills/social-media-research-skills

    1 963GitHub stars+180 (+10.1 %)
  14. 14
    Active

    A browser inside your terminal

    githubmeasured growthOpen source ↗

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

    2 496GitHub stars+200 (+8.7 %)
  15. 15
    Active

    High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

    githubmeasured growthOpen source ↗

    41 744GitHub stars+959 (+2.4 %)
  16. 16

    Other
    Active

    Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

    githubmeasured growthOpen source ↗

    77 413GitHub stars+1 709 (+2.3 %)
  17. 17

    Other
    Active

    Autonomous game development for Godot, Bevy, and Babylon.js with Claude Code and Codex

    githubmeasured growthOpen source ↗

    6 648GitHub stars+298 (+4.7 %)
  18. 18

    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

    113 548GitHub stars+2 425 (+2.2 %)
  19. 19
    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

    31 947GitHub stars+668 (+2.1 %)
  20. 20

    Skill
    Active

    World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

    githubmeasured growthOpen source ↗

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

    52 517GitHub stars+1 089 (+2.1 %)
  21. 21

    Skill
    Active

    An entire marketing department as one Claude skill. 14 modules: audits scored 0-100, an 18-tactic hook engine, copy graded before you see it, ad diagnosis, GEO, email, launches, pricing. Works in Claude, Codex and Cursor.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Yuzzyuk/marketing-os ~/.claude/skills/marketing-os

    453GitHub stars+82 (+22.1 %)
  22. 22
    Active

    An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

    githubmeasured growthOpen source ↗

    123 939GitHub stars+2 490 (+2.1 %)
  23. 23

    Skill
    Active

    File your Indian income tax return (ITR) from your terminal. Deterministic tax engine, both regimes, AY 2026-27. Claude Code / Codex / Gemini skill.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/karanb192/itr-wala ~/.claude/skills/itr-wala

    839GitHub stars+110 (+15.1 %)

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 ↗

    67 game-dev skills for AI coding agents — Godot, Unity, Unreal, Phaser, PixiJS, three.js, Bevy, pygame, LÖVE, Roblox. Portable SKILL.md Agent Skills (the format Anthropic launched as Claude Skills), with a router that loads the right skill…

    github

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

    Resourcemeasured growth
    788GitHub stars+143 (+22.2 %)
  2. 2
    ActiveOpen source ↗

    A curated collection of 1000+ agent skills from official dev teams and the community, compatible with Claude Code, Codex, Gemini CLI, Cursor, and more.

    github

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

    Resourcemeasured growth
    33 575GitHub stars+884 (+2.7 %)