43,712 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 agents7,642Claude Code6,648Data and AI3,676Backend and APIs3,504Languages3,399Planning3,222Git and workflow3,208Code review2,742Testing2,379Memory and context2,369Writing and docs2,323DevOps and cloud2,311Research2,290Frontend2,261Security2,025Productivity1,719
All Claude Code31,996 Codex23,310 OpenCode22,256 GitHub Copilot3,557 Gemini CLI1,917 Cursor1,739 Windsurf141 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ConductorOne/docs conductorone.com C1 product documentation | 2 | Claude Code | 1 | 47 tok |
| LandonSchropp/agent-toolkit My personal toolkit for working with AI agents | 2 | Claude Code, Codex, OpenCode | 2 | 600 tok |
| silver2dream/ai-workflow-kit AWK is a spec-driven execution system for turning AI coding agents into a governed enginee | 2 | Claude Code, Codex, OpenCode | 9 | 2,952 tok |
| Luzivog/toks A local-first Linux desktop app for tracking Claude Code and Codex usage, costs, models, a | 2 | Codex, OpenCode | 1 | 968 tok |
| Lianye-Scythe/scythe-context-mcp npmjs.com Local MCP context engine for Codex with Gemini Embedding 2 support | 2 | Codex, OpenCode | 1 | 356 tok |
| ikkeseb/skills Claude Code skills | 2 | Claude Code, Codex, OpenCode | 2 | 572 tok |
| gabi-cervantes/aprender-claude-code Curso Gratuito de Claude Code | 2 | Claude Code | 1 | 482 tok |
| fenago/theymessedup AI Coding Agent | 2 | Claude Code | 1 | 411 tok |
| Charlesaitime/claude-codex-teamwork Collaboration | 2 | Claude Code | 1 | 788 tok |
| neetibut/cohort-pulse cohort-pulse-green.vercel.app | 2 | Claude Code | 6 | 803 tok |
| vibeforge1111/vibeship-plugin a plugin for vibeship ecosystem | 2 | Claude Code | 1 | 1,055 tok |
| port-labs/port-skills Curated agent skills to work with port.io | 2 | Codex, OpenCode | 1 | 585 tok |
| Germanaicreator/ClaudeBusinessCourse | 2 | Claude Code | 1 | 1,190 tok |
| alxjrvs/skills The Jrvs Claude Skills Marketplace. No, not *that* Jarvis. | 2 | Claude Code | 1 | 449 tok |
| JS-mark/skills skills-marketplace-hazel.vercel.app | 2 | Claude Code | 2 | 1,315 tok |
| castorini/castorini-skills Claude Code skills for cross-repo Castorini workflows | 2 | Claude Code, Codex, OpenCode | 2 | 397 tok |
| konveyor-ecosystem/playpen-pf-mig-skills Collection of agentskills and related to tools exploring problems related to patternfly mi | 2 | Claude Code | 1 | 1,116 tok |
| openshift-online/aro-ai-tools AI Tools (skills, plugins, etc.) for ARO | 2 | Claude Code, Codex, OpenCode | 2 | 42 tok |
| Bek85/claudekit-marketing Marketing-focused Claude Code kit: 101 skills, 31 agents, 78 commands. Clone and run ./ins | 2 | Claude Code, Gemini CLI | 10 | 3,102 tok |
| empathetech/hacky-hours-docs A living document base of patterns and processes to build apps with LLMs, the Hacky Hour w | 2 | Claude Code | 2 | 1,721 tok |
| AX-Surfers/vibecut | 2 | Codex, OpenCode | 1 | 1,882 tok |
| suleigolden/the-last-code-bender | 2 | Claude Code | 1 | 762 tok |
| bjornjee/skills Useful skills for agents | 2 | Claude Code, Codex, OpenCode | 2 | 2,054 tok |
| carterdea/dots | 2 | Claude Code, Codex, OpenCode | 5 | 882 tok |
| oxy-hq/skills | 2 | Claude Code | 2 | 3,527 tok |
| specter119/skills Marketplace-managed Claude Code skills for research, writing, slides, and Typst authoring. | 2 | Codex, OpenCode | 1 | 218 tok |
| NorkzYT/claude-code-autopilot A portable `.claude/` bundle for Claude Code with a staged agent workflow, safety hooks, l | 2 | Claude Code, Codex, OpenCode | 2 | 1,283 tok |
| onehorizonai/skills Agent Skills | 2 | Codex, OpenCode | 1 | 791 tok |
| EricMarcantonio/skills Claude Code plugins by Eric Marcantonio — code quality, marketplace listings, and more | 2 | Claude Code | 1 | 551 tok |
| astriaai/skills AI skills for Astria API | 2 | Claude Code | 1 | 755 tok |
| phrase/skills Agent Skills for Phrase | 2 | Claude Code, Codex, OpenCode | 2 | 149 tok |
| titusz/skills A personal Claude Code plugin marketplace with reusable skills, agents, and hooks | 2 | Claude Code | 1 | — |
| dshaplyko/skills | 2 | Claude Code | 10 | — |
| cwijayasundara/claude_harness_eng_v1 | 2 | Claude Code | 30 | 1,022 tok |
| OhadRubin/skills | 2 | Claude Code | 1 | 148 tok |
| tk0miya/skills | 2 | Claude Code | 2 | — |
| 6hamtol/skills | 2 | Claude Code | 1 | 418 tok |
| zot24/skills | 2 | Claude Code | 1 | 4,549 tok |
| cortesi/skills | 2 | Claude Code, Codex, OpenCode | 6 | 92 tok |
| supercharge-growth/ai-design-skills | 2 | Claude Code, Codex, Cursor, OpenCode | 6 | 644 tok |
| wei6bin/skills | 2 | Claude Code | 1 | 1,656 tok |
| linggen/skills linggen.dev Skills for Linggen — drop-in folders that become native apps: personal CFO, DJ, Mac care, | 2 | Claude Code | 1 | 511 tok |
| netdata/skills Agent Skills for setting up, instrumenting, and troubleshooting infrastructure with Netdat | 2 | Claude Code, Codex, OpenCode | 2 | 1,380 tok |
| miptah21/skills | 2 | Codex, OpenCode | 1 | 2,545 tok |
| sisibeloved/cpython-optimize-skill | 2 | Codex, OpenCode | 1 | 450 tok |
| umbraco/Umbraco-MCP-Base | 2 | Claude Code | 4 | 3,814 tok |
| EthanSei/skills Agent skills for Claude Code and other AI coding agents | 2 | Claude Code | 1 | 535 tok |
| tangjiahui-cn/skills Everyday refinement skills. Examples: pipeline-lite rapid development workflow (spec -> pl | 2 | Claude Code | 5 | — |
| MintedKenny/skills Useful Agent Skills for coding agents (Claude Code, Codex, and other Agent Skills hosts). | 2 | Codex, OpenCode | 1 | 193 tok |
| petersilberman/personal-reference-claude-code Reference commands and workflows for Claude Code beyond coding | 2 | Claude Code | 9 | — |