Sandbox
71 repos for claude · Skills · CopilotClear

AI-powered contract review skill with CUAD risk detection, market benchmarks, and lawyer-ready redlines. Works with Claude Code, Codex, Cursor, and 26+ tools.

438

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 LLM agent.

16k
FredAntB/
Spec-Driven-Development

A Claude skill that keeps your AI coding tools from contradicting each other. Generates requirements.md, design.md, and tasks.md before any code is written — then creates matching config files for Claude Code, Cursor, Copilot, Windsurf, and Aider.

153

Installable .NET skill catalog and CLI for Codex, Claude Code, GitHub Copilot, and Gemini.

477
tjboudreaux/
cc-thinking-skills

28 eval-informed mental models and critical-thinking skills for Claude Code, GitHub Copilot, Codex, Cursor, and other Agent Skills-compatible tools

1.3k
LeadMagic/
gtm-skills

GTM agent skills for Claude Code, Codex, and GitHub Copilot: sales, marketing, SEO, RevOps, and customer research playbooks with templates.

49
FernandoJRR/
solidifier

SOLID principles and design patterns for backend code — applied with restraint. Skill for Claude Code, OpenCode, GitHub Copilot, and OpenAI Codex.

37

Free, open-source AI writing humanizer and detector. 55 patterns, 5 voices, a 0-100 AI-tell score, and nothing leaves your machine.

227
Emanuelel/
dont-reinvent

Stop your AI coding agent from reinventing the wheel. A Claude Skill that checks Free vs. Build vs. Buy before writing code, and actually vets what it finds (license, maintenance, security) instead of stopping at star count

36
tech-leads-club/
agent-skills

The secure, validated skill registry for professional AI coding agents. Extend Antigravity, Claude Code, Cursor, Copilot and more with absolute confidence.

5.2k

A Claude Code skill that audits AI-generated frontend and rewrites it to remove generic AI-slop design patterns (purple gradients, Inter, default shadcn). The design counterpart to avoid-ai-writing.

65

A skill to ensure Claude/ChatGPT/Codex/Copilot answers first, gives fewer options, and provides one clear next step. For work, research, life, and every tab you forgot was open.

35
netresearch/
agent-rules-skill

Agent Skill for generating AGENTS.md files following the agents.md convention | Claude Code compatible

76
mattnowdev/
thinking-partner

Thinking partner skill for AI agents — 150+ mental models, orientation detection, cognitive operations. Works with Claude Code, Cursor, Windsurf, Cline, GitHub Copilot.

190
harness/
harness-skills

A collection of structured AI agent skills that enable Claude Code, Cursor, GitHub Copilot, and other AI coding assistants to create, operate, debug, and govern Harness CI/CD workflows through natural language.

105
frmoretto/
stream-coding

Stop "vibe coding" and start Stream Coding, the 10-20x velocity methodology for AI-accelerated development. Includes the official SKILL.md for Claude/Cursor/Windsurf and the complete Manifesto.

96
Endokelp/
Only-Skill-You-Need

The first Agent Skill a beginner installs. Bootstraps Claude Code, Cursor, and other agents, then routes every task to the current best skill for that job.

36
membranedev/
application-skills

A large set of app-specific Agent Skills for connecting agents to common SaaS tools.

268
917Dhj/
DeepPaperNote

DeepPaperNote is an agent skill for deep-reading a single paper and generating high-quality Obsidian-style research notes. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

1.1k
arpitg1304/
robotics-agent-skills

Agent skills that make AI coding assistants write production-grade robotics software. ROS1, ROS2, design patterns, SOLID principles, and testing — for Claude Code, Cursor, Copilot, and any SKILL.md-compatible agent.

356
netresearch/
git-workflow-skill

Agent Skill for Git workflow best practices - branching, commits, PR workflows | Claude Code compatible

48
netresearch/
php-modernization-skill

Agent Skill: PHP 8.x modernization patterns - typing, attributes, PHPStan | Claude Code compatible

44
ckelsoe/
prompt-architect

Agent skill for analyzing and improving prompts using 31 frameworks across 7 intent categories. Works with Claude Code, Gemini CLI, Cursor, Copilot, and 30+ Agent Skills compatible tools.

296