Sandbox
270 repos for witness · SkillsClear
rand/
cc-polymath

Claude Code skills and workflows, optimized for context-efficiency and skill quality. Skills ranging from cloud infrastructure to design to advanced maths.

174

67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer.

11k
AgriciDaniel/
banana-claude

AI image generation skill for Claude Code - Creative Director powered by Gemini

1k
gavogavogavo/
claude-sbox

Claude Code skill for s&box game development. Schema-verified API reference, 10 runnable examples, zero Unity hallucinations

46
netresearch/
php-modernization-skill

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

44
SJY051/
music-composition

Modular music-composition skill for AI assistants — harmony, melody, form, 24+ genres.

82
heygen-com/
skills

HeyGen AI agent skills — avatar creation and video production via the v3 Video Agent pipeline

432
netresearch/
security-audit-skill

Agent Skill for PHP security audits - OWASP patterns, vulnerability detection | Claude Code compatible

41
Dynatrace/
dynatrace-for-ai

Skills, prompts, and instructions for building AI agents on top of Dynatrace production context

137
ayghri/
i-have-adhd

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

38k
LottieFiles/
motion-design-skill

Universal motion design principles for AI agents — timing, easing, choreography, and Disney animation principles adapted for UI

1.6k

Framework for AI agents to build and maintain a digital brain through Obsidian wiki

3.4k
gotalab/
goal-setter-skill

Shape rough requests into evidence-backed /goal completion contracts — an Agent Skill for Claude Code and Codex

103

Guard skills for coding agents, quality gates that catch AI-generated failure modes in code, tests, and docs

1.2k
maptiler/
maptiler-skills

Coding skill for building location-aware applications across the MapTiler platform.

39
jiahuiqu17/
paper-signal

Subject-aware minimal-zine image production for Agent Skills: art direction, generation, series, evidence, and real-bitmap QA.

109
rlajous/
claude-code-commands

Production-ready Git workflow skills, agents, hooks, reviews, releases, and notifications for Claude Code and Codex.

30
boringmarketer/
meta-ads-skill

Teach your AI coding agent to run Meta ads: API setup, programmatic campaigns, browser control, and conversion tracking that's actually proven to work.

49