23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| systempromptio/systemprompt-core systemprompt.io AI governance infrastructure for agentic systems. Rust library behind systemprompt.io — MC | 8 | Claude Code, Codex, OpenCode | 2 | 5,747 tok |
| lililib/ai-session-search Local-first full-text search and reusable context library for AI coding sessions across Cl | 8 | Codex, OpenCode | 1 | 113 tok |
| jmpijll/fortimanager-code-mode-mcp MCP server for FortiManager using the Code Mode pattern — 2 tools (search + execute) with | 8 | Codex, OpenCode | 1 | 1,698 tok |
| anirbanbasu/pymcp pypi.org A template repository for developing MCP servers in Python | 8 | Claude Code, Codex, OpenCode | 2 | 1,470 tok |
| ftaricano/mcp-onedrive-sharepoint MCP server and CLI for OneDrive and SharePoint via Microsoft Graph | 8 | Claude Code, Codex, OpenCode | 2 | 1,482 tok |
| Lexus2016/turbo_quant_memory Local-first MCP memory server for AI coding agents with compact retrieval and project/glob | 8 | Claude Code, Codex, OpenCode | 2 | 1,656 tok |
| olgasafonova/nordic-registry-mcp-server MCP server for Nordic company registries (Norway, Denmark, Finland, Sweden) | 8 | Claude Code, Codex, Cursor, OpenCode | 5 | 2,262 tok |
| replenhq/replen replen.dev Smarter AI Development Workflows | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 8,308 tok |
| EtanHey/brainlayer brainlayer.etanheyman.com Persistent memory MCP for AI agents — SQLite, knowledge graph, 13-tool Python MCP + 17-too | 8 | Claude Code, Codex, OpenCode | 2 | 8,463 tok |
| dwnmf/codex_remote Remote control of Codex CLI from a browser: live output, approvals, and self-hosting (Clou | 8 | Codex, OpenCode | 1 | 63 tok |
| volantlabs/vellis volantlabs.ai Vellis — open-source context graph engine for AI agents: typed, local-first memory with ex | 8 | Codex, OpenCode | 8 | 4,953 tok |
| beyondeye/aitasks aitasks.io an agentic IDE in your terminal, markdown tasks with YAML frontmatter, git-native, zero in | 8 | Claude Code, Codex, OpenCode | 83 | 7,617 tok |
| noahain/Monoloth noahain.xyz Agent-agnostic desktop shell for CLI coding tools | 8 | Codex, OpenCode | 1 | 3,397 tok |
| kasssandr/archilles RAG for researchers: page-level citations from your personal library, LLM access via MCP. | 8 | Claude Code, Codex, OpenCode | 2 | 3,480 tok |
| yideng-xl/gemini-cli-hud Real-time bottom-sticky HUD for Gemini CLI — model, context usage, tool calls, and more | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 421 tok |
| urbanmorph/mdshare Share and collaborate on local markdown files via shareable links | 8 | Claude Code, Codex, OpenCode | 2 | 1,193 tok |
| kiali/openshift-servicemesh-plugin Webpack Plugin to integrate Kiali into OpenShift Console | 8 | Claude Code, Codex, OpenCode | 2 | 7,413 tok |
| DorianSchlede/nexus-template | 8 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 12 | 377 tok |
| oculus-samples/Unreal-MetaXRAudioSDK This project contains Unreal samples for Meta's Presence Platform Audio SDK. The Oculus SD | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,055 tok |
| signnow/sn-mcp-server signnow.com Official SignNow MCP server for AI agents. Access e-signature workflows, templates, embedd | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,462 tok |
| click6067-ship-it/fitllm-engine fitllm.run Will this LLM fit your GPU or Mac? npx fitllm — accurate memory math for MLA/sliding-windo | 8 | Codex, OpenCode | 1 | 749 tok |
| naimax/agent-harness-reference A minimal working example of a two-level agent harness: rules/subagents, control plane (WI | 8 | Claude Code, Codex, Cursor, OpenCode | 4 | 284 tok |
| natiixnt/redcon a tool that reduces token usage and request waste in coding-agent workflows by selecting, | 8 | Codex, OpenCode | 1 | 157 tok |
| Escoto/RustifyMyClaw Run Claude Code, Codex, and Gemini CLI from Telegram, WhatsApp, or Slack - single Rust bin | 8 | Claude Code, Codex, OpenCode | 5 | 2,963 tok |
| ugudlado/shell shell setup for new dev system | 8 | Claude Code, Codex, OpenCode | 3 | 71 tok |
| ozgurkarahan/ai-agent-memory Persistent memory for AI coding agents — Karpathy LLM Wiki pattern for GitHub Copilot, Cla | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 21 | 11,413 tok |
| BarryYangi/vibetime vibetime.barry.ee Local-first time tracking for your coding agent. | 8 | Claude Code, Codex | 3 | — |
| phunterlau/fsi FSI-style foreign language pattern drills inside your coding agent. Substitution, transfor | 8 | Codex, OpenCode | 1 | 458 tok |
| codewithdark-git/OmniDev Your Multi-Model AI Development Assistant - Free, Intelligent, Autonomous | 8 | Codex, OpenCode | 1 | 2,041 tok |
| Ozzeron/prompt-pack Curated AI coding skills focused on reducing AI-generated technical debt — reuse before cr | 8 | Claude Code, Codex, OpenCode | 2 | 1,244 tok |
| hack-dance/hack Opinionated local-dev orchestration for running multiple projects at the same time without | 8 | Claude Code, Codex, OpenCode | 5 | 1,057 tok |
| KeeghanM/humn A minimal, human-centric reactive UI library with built in state management. | 8 | Codex, OpenCode | 1 | 1,290 tok |
| rayvise/rayvise-cli raypaste.com Open source ultra-fast AI text completions right in your terminal. | 8 | Claude Code, Codex, OpenCode | 2 | 2,989 tok |
| PedroMosquera/squadai One config. Every AI agent. Zero drift. Idempotent setup for OpenCode, Claude Code, Cursor | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 25 | 2,103 tok |
| oculus-samples/Unity-CompositorLayers The Compositor Layers demo for Unity shows how to ingest our Compositor Layers API, and co | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 976 tok |
| Infopibe/everything-claude-code | 8 | Claude Code, Codex, OpenCode | 50 | 2,001 tok |
| forthends/clockwork Clockwork (机关术) — The Governance Layer for AI Agents. | 8 | Codex, GitHub Copilot, OpenCode | 2 | 1,680 tok |
| zotoio/CRUX-Compress compress.md Compress verbose LLM rules while retaining self-contained meaning and intent. | 8 | Claude Code, Codex, Cursor, OpenCode | 29 | 1,807 tok |
| michele-prandina/ClaudE2E A reusable multi-agent AI development boilerplate with 6 specialized agents, an Obsidian v | 8 | Claude Code, Codex, OpenCode | 6 | 4,210 tok |
| OmicoDev/skills | 8 | Claude Code, Codex, OpenCode | 2 | 138 tok |
| ychampion/edgebase Git-native, provenance-backed context capsules for coding agents. | 8 | Codex, OpenCode | 1 | 265 tok |
| elizaOS/prr sits on your PR and won't get up until it's ready | 8 | Codex, OpenCode | 1 | 8,061 tok |
| he-yufeng/RuleForge Auto-generate AI assistant rules (CLAUDE.md, .cursorrules, copilot-instructions) from code | 8 | Codex, OpenCode | 1 | 251 tok |
| peva3/anchor Anchor — the production-grade AGENTS.md template for AI coding agents. 51 sections of batt | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 12,890 tok |
| wuxingxi888/ai-coding-guidelines The ultimate AI coding standards scaffold: a Markdown ruleset that automatically compiles | 8 | Claude Code, Codex | 13 | — |
| shir-bruchim/agent-runtime-kit 🤖 Universal runtime configuration for AI coding agents (Claude Code & Cursor). Auto-detec | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,432 tok |
| wangdongzuopin/sentinel-skill Sentry, guarding code security. Code auditing, penetration testing, and CTF. | 8 | Codex, OpenCode | 1 | 342 tok |
| ArcadeAI/safeword arcadeai.github.io Personal AI agent guides, templates, and learnings | 8 | Claude Code, Codex, OpenCode | 9 | 3,434 tok |
| the-metafactory/soma | 8 | Claude Code, Codex, OpenCode | 1 | 783 tok |
| infiquetra/infiquetra-claude-plugins Claude Code plugins for Infiquetra development workflows | 8 | Claude Code, Codex, OpenCode | 2 | 2,985 tok |