45,053 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,552 Codex24,920 OpenCode23,840 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,771 Windsurf202 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| vectra-ai-research/vectra-soc-agent-starter Starter pack for building an AI SOC analyst on top of Vectra AI — AGENTS.md + agent skills | 3 | Codex, OpenCode | 1 | 1,779 tok |
| ibestrace/openclaw-reits-expert REITs expert agent configuration project | 3 | Claude Code | 1 | 1,316 tok |
| Aviator-Coding/home-ops | 3 | Claude Code, Codex, OpenCode | 36 | 4,669 tok |
| serpbase-dev/serpbase-skill serpbase.dev Agent-portable SerpBase Google SERP API skill for Codex, Claude Code, opencode, OpenClaw, | 3 | Claude Code, Codex, OpenCode | 2 | 803 tok |
| abexiong/govafy-unsolicited-proposal-kit A plain-English playbook for small businesses writing federal unsolicited proposals under | 3 | Claude Code, Codex, OpenCode | 2 | 4,953 tok |
| luisalima/agent-policy-kit Repo-local operating policy and skills for coding agents | 3 | Codex, OpenCode | 1 | 185 tok |
| Affitor/agent-skills AI agent instructions for integrating Affitor affiliate tracking. Works with Claude Code, | 3 | Codex, OpenCode | 1 | 327 tok |
| abuxton/terraform-data-env | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 1,633 tok |
| Felpborges/projeto-prospecta | 3 | Claude Code, Codex, OpenCode | 2 | 2,643 tok |
| weante/city-salary City salary calculator Agent Skill: Calculates social security, housing provident fund, in | 3 | Codex, OpenCode | 1 | 1,400 tok |
| docxology/literature doi.org Python literature-review toolkit: unified search across arXiv, PubMed, Semantic Scholar, C | 3 | Codex, OpenCode | 1 | 2,907 tok |
| katmin2001/kenzy_agent_ai_template | 3 | Codex, OpenCode | 2 | 445 tok |
| TuTouPower/repo_template Template repository | 3 | Codex, OpenCode | 1 | 504 tok |
| andrejkaxz/Vanessa_for_AI Rules, Agent Skills, and a step catalog for Vanessa Automation for Codex, Claude Code, Ope | 3 | Claude Code, Codex, OpenCode | 2 | 887 tok |
| mpge/look-for-work-codex Proactive codebase analysis agent for Codex CLI — find the highest-impact improvements acr | 3 | Codex, OpenCode | 1 | 206 tok |
| TidyFactor/Cinematic tidyfactor.com Produce high-impact, scroll-driven product films and luxury Cinematic Landing pages. | 3 | Claude Code, Codex, OpenCode | 20 | 3,385 tok |
| tym83-ai/ai-workspace-system | 3 | Claude Code, Codex, OpenCode | 2 | 432 tok |
| Fisherd99/Fisherd99.github.io fisherd99.github.io My personal blog | 3 | Claude Code, Codex, OpenCode | 2 | 3,275 tok |
| XyrusCode/ai-sync Sync skills, memory, MCP servers and chat history across Claude Code, OpenCode, Codex, Gem | 3 | Codex, OpenCode | 1 | 1,012 tok |
| yyakubov-akam/akamai-functions-generator Generate Akamai Functions following prompt | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,053 tok |
| tomas-lp/hackIAthon-2026-nkc inu-app.inu-bdc.workers.dev | 3 | Claude Code, Codex, OpenCode | 3 | 209 tok |
| aws-samples/sample-aidlc-design-reviewer | 3 | Claude Code | 1 | 5,444 tok |
| tjmustard/Hypergraph-Coding-Agent-Framework A rigorous, Spec-First framework for autonomous software engineering. Solves the Specifica | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 75 | 5,009 tok |
| joshka/practice | 3 | Codex, OpenCode | 1 | 1,491 tok |
| serenashenn3-art/wechat-forensic-pro wechat-forensic-pro | 3 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 13,264 tok |
| pravinmishraaws/dmi.pravinmishra.com | 3 | Claude Code | 1 | 2,910 tok |
| ericediger/PERSONAL-BOARDROOM My spin on Nate Jones' personal 'Boardroom' implementation | 3 | Claude Code | 1 | 3,134 tok |
| cerb/cerb.github.io Cerb project website | 3 | Claude Code | 1 | 1,271 tok |
| viaduct-dev/batteries-included Viaduct template project with React, GraphQL, and Supabase | 3 | Claude Code, Codex, OpenCode | 2 | 541 tok |
| thingsboard/thingsboard.io thingsboard.io Documentation repository | 3 | Claude Code | 2 | 6,235 tok |
| fabricioveronez/prompt-registry | 3 | Claude Code | 2 | 1,378 tok |
| openteams-ai/engineering-blog openteams.com OpenTeams Engineering Blog | 3 | Claude Code | 2 | — |
| artemiimillier/praktika-5 MVP “Multik”: child photo → AI character (Pixar/Minecraft/anime/LEGO) → storyboard via kie | 3 | Claude Code | 4 | 1,859 tok |
| tsdfs930514/econ-research-workflow-cn Economics research workflow — a Claude Code-driven reproducible economics research templat | 3 | Claude Code | 17 | 4,056 tok |
| urule-ai/urule Urule — The open-source coordination layer for AI agents. Deploy, orchestrate, and govern. | 3 | Claude Code, GitHub Copilot, Cursor | 3 | 3,691 tok |
| xrcodexcode/xr_node Personal wiki | 3 | Claude Code, Codex, Gemini CLI | 5 | 6,109 tok |
| jsohi/app-trading-engine Aeron Cluster + SBE + Artio FIX Trading Engine | 3 | Claude Code, Codex, OpenCode | 8 | 7,949 tok |
| cmu-delphi/exploration-tooling tools for evaluating and exploring forecasters | 3 | Codex, OpenCode | 1 | 3,026 tok |
| rikutoe/yolo-chrome-mcp Yolo Chrome MCP for Claude — expose any open Chrome tab to Claude (paired extension). | 3 | Claude Code | 1 | 433 tok |
| shiburito/gw_in_browser | 3 | Claude Code | 1 | 2,684 tok |
| cicikat/PresenceKit-mobile Mobile client for PresenceKit, providing a companion experience on Android. | 3 | Claude Code, Codex, OpenCode | 2 | 5,183 tok |
| RohitBind123/claude-setup ECC kit: CLAUDE.md, ECC-USAGE-GUIDE.md, HOW-TO-START-ANY-PROJECT.md (global rules). settin | 3 | Claude Code | 1 | 2,322 tok |
| Adios94/megabonk-game MegaBonk 3D Roguelike Survivor - Three.js game (playable in browser) | 3 | Claude Code, Codex, Cursor, OpenCode | 7 | 1,464 tok |
| mngerasimenko/keepware-llm-lab keepware's engineering work on LLM agents: agent memory stored in markdown files instead o | 3 | Claude Code | 1 | 525 tok |
| rmosleydb/databricks-agentic-app-workshop Workshop: From Prompt to Production - Hardening an AI Customer Support Agent on Databricks | 3 | Claude Code | 1 | 1,390 tok |
| nikmcfly/shared-vault-template nikmcfly.com Obsidian vault skeleton for two people who share a business and a life. Six zones, CLAUDE. | 3 | Claude Code | 1 | 1,023 tok |
| Taka499/ss-assist taka499.github.io | 3 | Claude Code | 1 | 3,291 tok |
| ariushieu/claudecode-spring-rules Bộ quy tắc làm việc dành cho Claude Code khi phát triển dự án Spring Boot. | 3 | Claude Code | 1 | 1,353 tok |
| rafaelmmiller/Claude-Socratic Learning skills for Claude | 3 | Claude Code | 1 | 705 tok |
| manfromtunis/claude-config Reproducible Claude Code configuration for TypeScript/Next.js/Strapi development | 3 | Claude Code | 1 | 1,467 tok |