43,730 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722
All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| trewknowledge/agent-skills | 2 | Codex, OpenCode | 1 | 897 tok |
| agenticstack-sh/agenticstack-skills Agent skills for discovering, comparing, and recommending developer tools using AgenticSta | 2 | Claude Code, Codex, OpenCode | 2 | 466 tok |
| VertaaUX/agent-skills vertaaux.ai Official VertaaUX agent skills — automated UX, accessibility, and conversion audit best pr | 2 | Claude Code, Codex, OpenCode | 2 | 645 tok |
| codebytes/agent-skills | 2 | Claude Code, GitHub Copilot | 2 | 289 tok |
| johnviklund/agent-skills | 2 | Claude Code | 5 | — |
| skeduloDevelopers/agent-skills A curated collection of agent skills for the Skedulo Pulse Platform. Skills are reusable, | 2 | Codex, OpenCode | 1 | 1,224 tok |
| steadwing/agent-skills steadwing.com Agent Skills to help developers using AI agents with Steadwing | 2 | Codex, OpenCode | 1 | 405 tok |
| felipeblassioli/agent-skills skills.sh My personal official collection of agent skills, react ones forked from vercel | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 4,277 tok |
| zacharygcook/agent-skills A curated collection of practical, evidence-backed skills for coding agents. | 2 | Claude Code, Codex, OpenCode | 2 | 376 tok |
| hamzaMissewi/agent-skills | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 1,942 tok |
| Yangleduo00337788/Agent-SKills A gentle and caring virtual girlfriend AI character Skill, usable across multiple AI platf | 2 | OpenCode | 1 | — |
| andrewsrigom/agent-skills andrewsrigom.github.io Reusable AI skill packs organized by library and topic. | 2 | Codex, OpenCode | 1 | 1,546 tok |
| openfort-xyz/agent-skills | 2 | Codex, OpenCode | 1 | 663 tok |
| delacournz/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,807 tok |
| commet-labs/pricing-models Agent Skills for billing | 2 | Claude Code, Codex, OpenCode | 2 | 77 tok |
| boundsj/agent-skills Reusable skills for AI coding agents (Claude Code, Codex, Cursor) | 2 | Codex, OpenCode | 1 | 663 tok |
| basaltbytes/agentic-tools Collection of skills/commands/plugins for agentic tools | 2 | Claude Code | 1 | 2,140 tok |
| alphabetc1/agent-skills A five-stage coding skill for Codex and Claude: prompt, research, plan, build, and review. | 2 | Codex, OpenCode | 1 | 370 tok |
| yecllsl/trae-agent-skills A collection of Agent Skills for Trae IDE | 2 | Codex, OpenCode | 1 | 2,152 tok |
| yellowbee686/everything-analysis-agent everything about analysis agent, such as skills, plugins | 2 | Codex, OpenCode | 1 | 443 tok |
| mathieu0905/skilllens Visual coverage for agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| shivswami/ghcp-custom-agents Custom Agents and Skills in GitHub Copilot | 2 | Claude Code | 3 | — |
| AssafTzurEl/assaf-agent-skills A personal collection of portable Agent Skills on the open SKILL.md standard | 2 | Claude Code | 1 | 750 tok |
| marmot-protocol/agent-config A collection of skills, tools, agents, commands, and plugins. | 2 | Codex, OpenCode | 1 | 42 tok |
| arraydude/agent-skills | 2 | Claude Code | 2 | 417 tok |
| cboone/agent-harness-plugins Claude, Codex, + OpenCode commands, hooks, and skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 11,830 tok |
| hideki5123/agent-skill-set A collection of agent skills and tools | 2 | Claude Code, Codex, OpenCode | 3 | 1,611 tok |
| duongnguyen321/ag-skills duonguyen.site Agent Configuration Guide / Hướng Dẫn Cấu Hình Agent | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 47 | 766 tok |
| siarhei-belavus/agent-public Sanitized open-source Pi agent configuration, skills, and extensions | 2 | Codex, OpenCode | 1 | 304 tok |
| dremonkey/agents-and-skills My personal collection of agent definitions and skill prompts for Claude Code. These are d | 2 | Claude Code | 1 | 332 tok |
| fikrilal/engineering-agent-skills Portable Agent Skills for understanding, designing, and evolving software systems | 2 | Codex, OpenCode | 1 | 150 tok |
| kieutrongthien/skills-fullstack Fullstack Skills for the Agent | 2 | Codex, OpenCode | 1 | 3,986 tok |
| Stapler-AI/stapler-skills Agent development tools | 2 | Claude Code | 1 | 570 tok |
| jscott3201/ai-agent-skills Custom set of skills for code development patterns for feature rich and secure development | 2 | Claude Code | 2 | 1,769 tok |
| marcos2872/agents-config Configuração pessoal do pi coding agent — agentes, skills e extensões | 2 | Codex, OpenCode | 1 | 716 tok |
| jkrumm/hermes-agent Hermes Agent setup — config, skills, patches, cron (Mac Mini-only) | 2 | Claude Code | 3 | 11,093 tok |
| chicongst/agent-skills-installer | 2 | Claude Code | 1 | 993 tok |
| kumekay/skiletto Version manager for agent skills | 2 | Claude Code | 1 | 692 tok |
| mdelapenya/coding-skills Helpful skills for coding agents | 2 | Claude Code | 1 | 934 tok |
| meaningfy-ws/skillery a collection of agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 3,331 tok |
| wanggang316/you-skill youskill.cc Keep Your Agent Skills Organized | 2 | Codex, OpenCode | 1 | 967 tok |
| WAJDA9/flutter-agent-skills A collection of highly optimized, context-efficient GitHub Copilot agent skills tailored f | 2 | GitHub Copilot | 1 | 332 tok |
| peterkarman1/SkillInquisitor Scan for malicious agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 867 tok |
| pyxll/pyxll-agent-skills A curated collection of Agent Skills for working with PyXLL, the Python Excel add-in. | 2 | Claude Code | 1 | 205 tok |
| olaservo/mcp-agent-skills Agent skills for building, testing, and learning about MCP | 2 | Claude Code | 1 | 68 tok |
| ianscrivener/drawthings-agent-skills | 2 | Codex, OpenCode | 1 | 1,370 tok |
| agents-infrastructure/alicloud-agent-skills A collection of Agent Skills for managing Alibaba Cloud infrastructure - 9 skills covering | 2 | Codex, OpenCode | 1 | 416 tok |
| Aqsa-Naeem/amazon-agentic-skills Amazon Private Label Assistant - AI skills for product research, validation, competitor an | 2 | Claude Code | 1 | 112 tok |
| geolonia/geolonia-agent-skills Skill for Claude Code | 2 | Claude Code | 1 | 664 tok |
| eea/eea.agent.skills Centralized repository for agentic skills used across EEA's unified dev workflow with AI c | 2 | Codex, OpenCode | 1 | 1,342 tok |