Sandbox
1,832 repos for β€œcodex”Clear
owainlewis/
youtube-tutorials

All my YouTube tutorials. Everything here is free - but please follow me on YouTube if you find these helpful.

385
haddock-development/
claude-reflect-system

Continual Learning & Self-improving skills system for Claude Code - learn from corrections, never repeat mistakes

376

Design engineering system for AI coding agents β€” ship UI with craft-level quality. Install as an agent skill.

323

πŸ§‘β€πŸŽ¨ A collection of agentic skills that works

209
getnao/
sylph
getnao/sylphHarnesses

The open-source company brain. Run your entire company with AI agents, skills, and a self-improving context.

196
Yusuke710/
manim-skill

SKILL.md for creating animations with Manim. Coding Agent autonomously plans scenes, writes Manim code, renders videos, and refines based on feedback.

151

All-in-One Desktop Agent Skills Utility. Welcome to the Skill Zoo, where all your skills live!

110
SantanderAI/
ralph

A configurable Bash/PowerShell loop that runs an AI coding CLI with a fresh session each iteration

89
jananthan30/
Resume-Builder

AI-powered resume & cover letter generator with dual ATS + HR scoring. Works for any profession. Claude Code plugin.

83
drvoss/
everything-copilot-cli

The definitive guide & configuration system for GitHub Copilot CLI β€” agents, skills, rules, multi-AI orchestration, and more

46
sanky369/
vibe-building-skills

Open-source agent skills library for building SaaS, marketing systems, creative assets, and frontend design workflows

30
Berserk-hub150/
skillhawk

Catch dangerous AI agent skills before they catch you. Zero-dependency security scanner for Agent Skills, SKILL.md and MCP configs.

30
yogsoth-ai/
de-anthropocentric-research-engine

900+ pure-markdown skills for autonomous AI research, organized as 9 freely-composable packages over a 4-layer hierarchy (Campaign β†’ Strategy β†’ Tactic β†’ SOP). Non-linear orchestration with backtracking, 6 MCP integrations. The AI is the researcher β€” you set the direction.

456
oraios/
serena
oraios/serenaConnectors

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

29k
nvk/
llm-wiki

LLM-compiled knowledge bases for any AI agent. Parallel multi-agent research, thesis-driven investigation, source ingestion, wiki compilation, querying, and artifact generation.

1.3k
matlab/
matlab-agentic-toolkit

The MATLAB Agentic Toolkit brings trusted MATLAB capabilities to AI agents, making engineering and scientific workflows agent-ready.

1k

a coding Agent, rpc plugin, sub-agents, hashline edits, and mcp

356
0xchamin/
mcptube

Transform YouTube videos into a compounding knowledge base with transcripts, vision analysis, and agentic search. Works as an MCP server for Claude, Copilot & more.

156
jiahuiqu17/
paper-signal

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

109
TateZhouSiu/
image-ppt-king

Turn slide screenshots and generated images into editable PowerPoint decks with visual-layer splitting, OCR evidence, and QA.

34
Xiaoher-C/
agentbnb

Where AI agents hire AI agents β€” hiring and coordination infrastructure for the agent economy

33