Sandbox
16 repos for standard · CodexClear
open-gitagent/
opengap

A framework-agnostic, git-native standard for defining AI agents

2.9k
scarletkc/
agents
scarletkc/agentsCollections

Shared standards and reusable skills for Claude Code, Codex CLI, and other AI coding agents.

208
KimGLee/
Cambium

Governance standard and reference toolset for LLM-maintained knowledge corpora

350
petrkindlmann/
qa-skills

50 QA and test-automation skills for Claude Code, Codex, Cursor, and any Agent Skills Standard runtime.

117
stakpak/
paks

A Package Manager for the AgentSkills standard. Discover, Use, and Create AgentSkills with Claude Code, Codex, Gemini CLI, OpenCode and more

64
netresearch/
claude-code-marketplace

Curated Agent Skills collection for AI-assisted development. Open standard — agentskills.io. Portable across Claude Code, Cursor, Copilot, Codex, Gemini CLI, and 30+ more agents. By Netresearch.

56
yylo-dev/
roundtable

Zero-configuration MCP server that unifies multiple AI coding assistants (Codex, Claude Code, Cursor, Gemini) through intelligent auto-discovery and standardized interface

125
gaasher/
Agent-Loop-Skills

Loop until it's better — drop-in agentic loops (autoresearch, scientific writing, data analysis, code/SQL/prompt optimization, red-teaming) as open-standard Agent Skills. Verification-gated; native on Claude Code, portable across Codex, Cursor & other Skills hosts.

168

Install engineering discipline into any AI coding assistant. Composable skills for design, implementation, review, and team standards. Better process, not just better prompts.

190
CodeAlive-AI/
ai-driven-development

Practices, protocols, and skills for AI-driven software development. Skills and safety hooks for Claude Code, Codex, OpenCode, Cursor, Antigravity, and any agent supporting the Agent Skills standard.

132

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, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0

33k
K-Dense-AI/
scientific-agent-skills

Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 190,000+ scientists worldwide. 165 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.

44k
tikalk/
adlc-team-skills

🐙 ADLC Team Skills — Agentic SDLC for Engineering Teams

133