23,157 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| styrene-lab/omegon Native AI agent harness — for agents, by agents. Single binary, zero dependencies. | 46 | Codex, OpenCode | 1 | 2,559 tok |
| topheman/effect-viz effect-viz.vercel.app Effect runtime visualizer 🌀 | 46 | Claude Code, Codex, OpenCode | 2 | 1,006 tok |
| hachej/boring-ui Build agent-powered apps without reinventing the shell. | 46 | Claude Code, Codex, OpenCode | 77 | 1,322 tok |
| sorafujitani/ccsession pick any past Claude Code session via fzf, then resume it from the right cwd | 46 | Claude Code, Codex | 2 | — |
| drvoss/everything-copilot-cli The definitive guide & configuration system for GitHub Copilot CLI — agents, skills, rules | 46 | Codex, GitHub Copilot, OpenCode | 2 | 4,786 tok |
| haabe/mycelium AI made building cheap. It didn't make deciding cheap. Mycelium is a Claude Code harness t | 46 | Claude Code, Codex, OpenCode | 3 | 5,773 tok |
| VinvAI/VinvAI vinv.ai Tools for AI agents to test, fix and optimise your codebase | 46 | Codex, OpenCode | 1 | 2,278 tok |
| CarlosVallejoRuiz/slurp Token-budget-aware graph navigation for AI coding agents. Serve exactly the noodles your L | 46 | Claude Code, Codex | 3 | 12,466 tok |
| ed-donner/personal-space | 46 | Claude Code, Codex, OpenCode | 6 | 845 tok |
| shelby/shelby-skills shelby.xyz Agent skills for building on Shelby | 46 | Claude Code, Codex, OpenCode | 2 | 404 tok |
| mariourquia/cre-skills-plugin 100+ institutional-grade CRE skills for Claude Code, Desktop, and Cowork. Deal screening, | 46 | Codex, OpenCode | 1 | 547 tok |
| andrzejchm/fdb Flutter Debug Bridge - CLI for AI agents to interact with running Flutter apps on device | 46 | Claude Code, Codex, OpenCode | 8 | 1,534 tok |
| wilson-anysphere/indonesia A better Java LSP | 46 | Codex, OpenCode | 1 | 2,333 tok |
| scottonanski/persistent-mind-model-v1.0 Event-sourced runtime for reconstructable AI identity, memory, reflection, commitments, an | 46 | Codex, OpenCode | 2 | 214 tok |
| gmaxxxie/ai-native-product-agent-skills AI Native Product Methodology — 80 executable skills across P0-P14 stages, covering needs | 46 | Codex, OpenCode | 1 | 950 tok |
| Randroids-Dojo/skills A collection of Claude Code skills by Randroids Dojo | 46 | Claude Code, Codex, OpenCode | 2 | 917 tok |
| vercel/microfrontends vercel.com Build microfrontends on Vercel | 46 | Claude Code, Codex, OpenCode | 2 | 2,188 tok |
| TheAstrelo/Claude-Pipeline Tool-agnostic 13-phase AI development pipeline — turns a task description into reviewed, c | 46 | Claude Code, Codex, OpenCode | 40 | 7,476 tok |
| joosure/Maestro A platform evolution of OpenAI Symphony (openai/symphony) for running Codex, Claude Code, | 46 | Claude Code, Codex | 6 | — |
| asdhabdua/bilibili-video-notes-skill Bilibili Video Notes is a tool that automatically generates DOCX study notes with screensh | 46 | Claude Code, Codex, OpenCode | 2 | 1,817 tok |
| pipefy/ai-toolkit MCP server, CLI, and agent skills for Pipefy. | 46 | Codex, OpenCode | 1 | 3,184 tok |
| martinffx/atelier An atelier for your Agent: spec-driven workflows, deep thinking, and code quality. | 46 | Codex, OpenCode | 1 | 514 tok |
| tothalex/drift tothalex.github.io Review your working changes like a pull request — in the terminal. Block-scoped live diffs | 46 | Claude Code, Codex, OpenCode | 2 | 1,340 tok |
| wildwasser/opencode-agents Multi-agent AI development templates for opencode | 46 | Codex, OpenCode | 1 | 1,413 tok |
| stepfun-ai/Step-Realtime-CLI | 46 | Codex, OpenCode | 1 | 3,516 tok |
| eai-org/agent-toolkit eai-org.github.io Minimalistic, project-agnostic skills and rules for AI coding agents | 46 | Claude Code, Codex, OpenCode | 2 | 253 tok |
| netresearch/php-modernization-skill Agent Skill: PHP 8.x modernization patterns - typing, attributes, PHPStan | Claude Code co | 46 | Codex, OpenCode | 1 | 1,563 tok |
| neuromechanist/research-skills neuromechanist.github.io A skill marketplace for academic research: from project management to literature review, m | 46 | Claude Code, Codex, OpenCode | 2 | 3,332 tok |
| 777genius/social-monitor social-monitor.app Tired of scrolling through hundreds of near-identical posts across every social network ju | 46 | Claude Code, Codex, OpenCode | 6 | 2,673 tok |
| Yervant7/HuntMemory t.me Android memory editor app based on kernel | 46 | Claude Code, Codex, OpenCode | 6 | 1,099 tok |
| pietz/mcp-web-tools | 46 | Codex, OpenCode | 1 | 577 tok |
| dubbl-org/dubbl dubbl.dev A full-featured, open-source alternative to Xero and QuickBooks. It is API-first, develope | 46 | Claude Code, Codex, OpenCode | 2 | 352 tok |
| OpenFDEAI/ChatDemo | 46 | Codex, OpenCode | 1 | 577 tok |
| jonaschen/Android-Software A Hierarchical AI Agent Skill Set for managing AOSP platform integration, built on an MMU- | 46 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,760 tok |
| obris-dev/openmagpie openmagpie.ai Open-source, self-hostable social listening. | 46 | Claude Code, Codex, OpenCode | 2 | 2,592 tok |
| jgouviergmail/LIA-Assistant lia.jeyswork.com Smart multi-agent conversational assistant with LangGraph orchestration, Human-in-the-Loop | 46 | Claude Code, Codex, OpenCode | 2 | 68,014 tok |
| zjw49246/CC-Manager | 46 | Codex, OpenCode | 1 | 4 tok |
| nghyane/hands Local Grok tools as MCP for ChatGPT Web. No model. | 46 | Codex, OpenCode | 1 | 203 tok |
| vaquarkhan/data-engineering-agent-skills vaquarkhan.github.io Production-grade Agent Skills for data engineering AI agents: 73 workflows, platform prese | 46 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,482 tok |
| NuGuardAI/nuguard nuguard.ai AI red-teaming tool and LLM security framework to evaluate agentic AI applications. Tests | 46 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,771 tok |
| gracefullight/krds krds.gracefullight.dev Theme & components for the Korea Design System (krds.go.kr) — MUI v7 + Tailwind v4 / Base | 46 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 5,534 tok |
| JYYYYYT/dev-report-weekly Local-first desktop app that turns reviewed Git history into auditable weekly reports with | 45 | Codex, OpenCode | 1 | 253 tok |
| ItIsMixian/Orrery A portable skill for traceable Markdown project documentation, local observability, and sa | 45 | Codex, OpenCode | 1 | 3,456 tok |
| steve02081504/GentianAphrodite the first fount character in history | 45 | Codex, OpenCode | 1 | 1,922 tok |
| willhennessy/architect Plugin to add interactive architecture diagrams to Claude Plan Mode | 45 | Codex, OpenCode | 1 | 919 tok |
| ambroise-leclerc/WebFront C++23 header-only web UI library | 45 | Codex, GitHub Copilot, OpenCode | 2 | 1,515 tok |
| djfksjd/sole-search A support-program research agent skill for small business owners (operating shops and self | 45 | Claude Code, Codex, OpenCode | 1 | 674 tok |
| Forward-Future/DeployBot Agent-managed GitHub merge queue for Codex, Claude Code, Cursor, and MCP clients | 45 | Codex, OpenCode | 1 | 262 tok |
| Xopoko/build-swift-apps Build, debug, profile, test, refactor, and release Swift apps across iOS, macOS, Xcode, Sw | 45 | Claude Code, Codex, OpenCode | 2 | 1,104 tok |
| gridctl/gridctl 🔒 MCP gateway with a built-in skill library. | 45 | Codex, OpenCode | 1 | 4,291 tok |