3,700 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Angular-Material-Dev/angular-material-ai-rules ui.angular-material.dev This repo contains rules, instructions and guidelines for various AI based code editors to | 13 | GitHub Copilot | 1 | 1,853 tok |
| isndev/qb-linq Lazy Enumerable-style LINQ pipelines for C++17: where, select, order_by, group_by, joins, | 13 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 1,389 tok |
| iloveitaly/llm-ide-rules Centralized LLM prompt instructions for Copilot and Cursor, including scripts to convert a | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 18,126 tok |
| ChuckBryan/ynabmcpserver | 13 | GitHub Copilot | 1 | 291 tok |
| dickiedyce/Obsidian-TS-MCP Deprecated -- superseded by https://github.com/dickiedyce/devjournal | 13 | GitHub Copilot | 1 | 481 tok |
| entropy-data/dataproduct-builder-dbt Build data products with dbt and integrate them with Entropy Data — coding-agent plugin (C | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 2,201 tok |
| Hlgxz/gai Gai is an AI-native Go web full-stack framework that combines Go's simplicity and efficien | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,183 tok |
| angrysky56/emotion_ai The Aura Emotion AI system has chroma with a local embedding model, memvid qr code mp4 inf | 13 | Claude Code, GitHub Copilot | 2 | 5,893 tok |
| schemacrawler/SchemaCrawler-AI Free database schema discovery and comprehension tool | 13 | Codex, GitHub Copilot, OpenCode | 2 | 1,309 tok |
| omgwtfwow/mcp-crawl4ai-ts TypeScript implementation of an MCP server for Crawl4AI. Provides tools for web crawling, | 13 | GitHub Copilot | 1 | 1,163 tok |
| neverinfamous/db-mcp search.adamic.tech Secure Database MCP Server featuring a V8 Isolate Code Mode sandbox that unifies 181+ tool | 13 | GitHub Copilot | 1 | 1,088 tok |
| MDMAtk/TormentNexus At long last | 13 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,603 tok |
| zircote/human-voice Detect and eliminate AI writing patterns in your content. This Claude Code plugin performs | 13 | Claude Code, GitHub Copilot | 3 | 1,793 tok |
| airtaxi/LidGuard nuget.org Keep the agent awake, even when the lid closes. | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 653 tok |
| LBurny/symkit-mcp It is an MCP server that lets AI agents perform step-by-step symbolic derivations: calcula | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,916 tok |
| deepgram/cli cli.deepgram.com Official Deepgram CLI — speech-to-text, text-to-speech, and audio intelligence from your t | 13 | GitHub Copilot | 1 | — |
| starloghq/index starlog.dev Vet a package before your AI coding agent uses it — authoritative facts (CVEs, license, ma | 13 | Codex, GitHub Copilot, OpenCode | 2 | 172 tok |
| pskoett/measuring-ai-proficiency Measuring AI Proficiency: Context Engineering as a Leading Indicator | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 9,401 tok |
| bks-lab/open-bridge bks-lab.github.io Stop re-explaining your work to your coding agent. Plain markdown and YAML in git, read at | 13 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 6,927 tok |
| SebastienDegodez/skraft-plugin sebastiendegodez.github.io Specialized agents, adversarial reviewers, discipline skills (Outside-In TDD, Clean Archit | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 20 | 5,743 tok |
| rvdbreemen/adr-kit Architecture decisions your AI coding agents actually follow. Ranked ADR retrieval and con | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,135 tok |
| modeled-information-format/MIF mif-spec.dev Open standard for portable AI knowledge interchange — JSON-LD + Markdown dual format with | 13 | Claude Code, Codex, GitHub Copilot | 4 | 418 tok |
| zhendalf/claude-mcp An MCP server that allows AI tools to interact with Claude Code programmatically with sess | 13 | Claude Code, GitHub Copilot | 2 | 1,939 tok |
| devjefferson/synapos | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 1,956 tok |
| phenixphp/framework phenixphp.com Phenix framework core | 13 | GitHub Copilot | 2 | 1,472 tok |
| ahmadulhoq/agentskel The skeleton for agentic development — persistent memory, shared standards, and structured | 13 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 5,625 tok |
| Badminton-Apps/badman badman.app Codebase for Badman | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 53 | 7,427 tok |
| akaghef/M3E Mind Map Model Engine(M3E) develop | 13 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode | 57 | 8,493 tok |
| triplea-game/triplea-game.github.io triplea-game.org TripleA Website | 13 | GitHub Copilot | 2 | 319 tok |
| h315uk3/symbiosis Claude Code plugins: your extended memory + your thinking partner. Information theory & co | 12 | Claude Code, GitHub Copilot | 7 | 2,434 tok |
| tygryso/hypotree pypi.org Memory that forgets: a persistent, self-revising belief-state MCP server and Python API fo | 12 | Claude Code, Codex, GitHub Copilot | 2 | 1,749 tok |
| byh3071-cpu/vhk yohanstudio.co VHK — a Korean CLI that organizes AI coding sessions around goals, evidence, memory, and r | 12 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 19 | 12,188 tok |
| 33Audits/cca-audit-agent | 12 | Claude Code, GitHub Copilot | 3 | 2,036 tok |
| jl-cmd/claude-dream Memory consolidation plugin for Claude Code | 12 | Claude Code, GitHub Copilot | 1 | 6,006 tok |
| ensingm2/AI-threat-modeling-rulesets A collection of rule and instruction sets for AI systems such as GitHub copilot and Cursor | 12 | GitHub Copilot, Cursor | 2 | 1,449 tok |
| reason-healthcare/rh-skills An agentic workflow toolset providing superpowers for healthcare informaticists | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 1,206 tok |
| samibs/skillfoundry skillfoundry.work AI engineering framework with quality gates, persistent memory, and multi-platform support | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 9,508 tok |
| aktsmm/skill-ninja-mcp-server MCP Server for Agent Skill Ninja - Search, Install, and Manage Agent Skills | 12 | GitHub Copilot | 1 | 127 tok |
| tosin2013/mcp-codebase-insight | 12 | Claude Code, GitHub Copilot | 6 | 2,118 tok |
| reporails/rules Evidence-backed rules for validating AI coding agent instructions. Core rules for structur | 12 | Claude Code, GitHub Copilot | 2 | 4,467 tok |
| asrient/HomeCloud asrient.github.io Easiest way to access your devices and AI agents from anywhere. | 12 | GitHub Copilot | 1 | 2,302 tok |
| ianphil/chamber chmbr.dev Genesis Mind Interface — desktop chat UI for Genesis agents | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 4,696 tok |
| u9401066/med-paper-assistant u9401066.github.io Auditable MCP + cross-agent harness for autonomous and human-guided academic writing—from | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 61 | 8,748 tok |
| hugefiver/OAI2LMApi marketplace.visualstudio.com OpenAI to Language Model API Bridge - Use OpenAI-Compatible API in Copilot - [VScode Exten | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,748 tok |
| simonlpaige/commonweave simonlpaige.com An open-source blueprint for the peaceful transition to a post-scarcity, ecologically sust | 12 | Codex, GitHub Copilot, OpenCode | 2 | 1,827 tok |
| lucab85/Claude-Code-Bootcamp Claude Code Extended: Build 10 Real-World Projects with Claude Code | 12 | Claude Code, GitHub Copilot | 20 | 131 tok |
| devfullcycle/mba-ia-dev-workflow | 12 | Claude Code, GitHub Copilot | 14 | 4,948 tok |
| ShothikTest/claude-code-src Claude Code CLI full source — made public 2026-03-31 (github.com/nirholas/claude-code) | 12 | Claude Code, GitHub Copilot | 2 | 1,106 tok |
| jiangyurong609/claude-code-any | 12 | Claude Code, GitHub Copilot | 2 | 1,106 tok |
| ruah-dev/ruah-orch | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 508 tok |