43,608 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 |
|---|---|---|---|---|
| gviiisen/repo-context-ledger Agent Skill for AI context management: provides cross-window continuity for Codex context | 105 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,430 tok |
| t1mmen/srtd timm.stokke.me 🪄 Supabase migrations made magical: Live-reloading SQL + Sane, reviewable diffs + Maintai | 105 | Claude Code | 1 | 629 tok |
| TheBeardedBearSAS/claude-craft Supercharge Claude Code with Expert Knowledge A comprehensive framework for AI-assisted | 105 | Claude Code | 6 | — |
| celeritas-project/celeritas celeritas-project.github.io Celeritas is a new Monte Carlo transport code designed to accelerate scientific discovery | 105 | Codex, GitHub Copilot, OpenCode | 2 | 2,452 tok |
| lgallard/terraform-aws-cognito-user-pool Terraform module to create Amazon Cognito User Pools, configure its attributes and resourc | 105 | Claude Code | 5 | 3,210 tok |
| lynxlangya/techne techne.wangyun.fan Forcing-function skills for AI agents — validated to improve behavior, not just change it. | 105 | Claude Code, Codex, OpenCode | 2 | 3,746 tok |
| avivsinai/langfuse-mcp A Model Context Protocol (MCP) server for Langfuse, enabling AI agents to query Langfuse t | 105 | Claude Code, Codex, OpenCode | 2 | 872 tok |
| yyzybb537/remote_claude | 105 | Claude Code, Codex, OpenCode | 2 | 12,736 tok |
| gintasz/unigent Build stateful agent workflows with typed outputs, reusable tools, session forks, and ordi | 105 | Claude Code, Codex, OpenCode | 4 | 553 tok |
| ProjectSidewalk/SidewalkWebpage projectsidewalk.org Project Sidewalk web page | 105 | Claude Code, GitHub Copilot | 13 | 4,745 tok |
| yangtaihong59/siyuan-plugins-mcp-sisyphus yangtaihong59.github.io A tool for connecting Agents with Siyuan. | 105 | Claude Code, Codex, OpenCode | 8 | 9,183 tok |
| coctostan/pi-hashline-readmap A unified pi-coding-agent extension combining hash-anchored file editing with structural c | 105 | Codex, OpenCode | 1 | 1,176 tok |
| AdamBien/bce.design minimal magic, minimal tooling, essential dependencies, high productivity, no transpilatio | 105 | Codex, OpenCode | 1 | 632 tok |
| Agents365-ai/obsidian-ai-tagger-universe An intelligent Obsidian plugin that leverages AI to automatically analyze note content and | 105 | Claude Code | 1 | 2,407 tok |
| mishamyrt/perplexity-web-api-mcp mishamyrt.github.io 🔍 Perplexity AI MCP without API key | 105 | Codex, OpenCode | 1 | 507 tok |
| aws-samples/appmod-blueprints | 105 | Claude Code, Kiro | 37 | 28,546 tok |
| microsoft/PromptKit Agentic prompts are the most important code you're not engineering. PromptKit fixes that — | 105 | GitHub Copilot | 1 | 1,144 tok |
| Onenightcarnival/agent-engineering-philosophy onenightcarnival.github.io An engineering philosophy that treats the agent as a worker: the system prompt is a JD, sk | 105 | Claude Code, Codex, OpenCode | 2 | 3,476 tok |
| ruvnet/flow-nexus flow-nexus.ruv.io Flow Nexus is the first competitive agentic platform built entirely on MCP. Deploy autonom | 105 | Claude Code | 6 | 3,282 tok |
| abracadabra50/open-supermarkets CLI, MCP and Skills for the world's supermarkets. Search, compare, basket and checkout acr | 105 | Codex, OpenCode | 1 | 3,643 tok |
| grafana/agento11y grafana.com Actually Useful Agent Observability | 105 | Claude Code, Codex, OpenCode | 2 | 2,732 tok |
| SapienXai/AgentOS agentos.sapienx.app Run agents like a company. AgentOS is the native control plane for OpenClaw — manage agent | 105 | Codex, OpenCode | 1 | 1,517 tok |
| potatobeanradio/circuitRF Lightweight cross-platform RF circuit simulator — DC, S-parameters, harmonic balance, load | 105 | Claude Code | 1 | 12,177 tok |
| frankchu91/mindbase-llm-wiki frankchu91.github.io Karpathy's LLM Wiki idea as a product — an AI that builds and maintains a markdown wiki fr | 105 | Claude Code | 1 | 3,400 tok |
| akhayam99/goodboy goodboy-ai.dev Stop re-explaining yourself | 105 | Claude Code, Codex, OpenCode | 2 | 1,619 tok |
| githits-com/githits-cli githits.com CLI & MCP for GitHits - The Code Context Layer for AI Coding Agents | 105 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 3,533 tok |
| konnga/skill-buddy AI Skills Buddy, A desktop workspace for managing, installing, and synchronizing Skills an | 105 | Claude Code, Codex, OpenCode | 10 | 238 tok |
| jiushiwon/wg-skills My Good AI SKILLS | 105 | Claude Code, Codex, OpenCode | 2 | 8,855 tok |
| guigui42/mcp-vosdroits Serveur MCP pour Service Public Vos Droits | 105 | GitHub Copilot | 7 | 4,954 tok |
| googlemaps/platform-ai | 105 | Gemini CLI | 1 | 1,068 tok |
| SonarSource/sonarqube-agent-plugins SonarQube Plugin for AI Agents | 104 | Gemini CLI | 1 | 1,284 tok |
| tomkabel/google-botguard-security-research A Case Study in Bypassing Client-Side Anti-Fraud Mechanisms | 104 | Codex, OpenCode | 1 | 361 tok |
| khanhcamap2020-sudo/formkind Global-readiness toolkit for international forms across HTML, JSX, Vue, Svelte, and CI. | 104 | Codex, OpenCode | 1 | 261 tok |
| sonpiaz/evox Agent orchestration built from first principles: plan, dispatch and supervise a team of AI | 104 | Claude Code, Cursor | 13 | 1,842 tok |
| skwallace36/Pepper iOS dynamic library MCP for agents | 104 | Claude Code | 1 | 1,598 tok |
| mcpc-tech/mcpc Build agentic-MCP servers by composing existing MCP tools. | 104 | Claude Code, Codex, GitHub Copilot | 5 | 1,191 tok |
| codebar/planner codebar.io 🗓 the main codebar site | 104 | Codex, OpenCode | 1 | 2,868 tok |
| ricoyudog/Coding_Corgi_flow OpenSpec GitFlow — structured AI engineering workflows with issue tracking | 104 | Claude Code, Codex, OpenCode | 57 | — |
| wybert/earth-agent-chrome-ext Earth Agent is a Cursor-like AI agent for Google Earth Engine. It can be used right in you | 104 | Claude Code, Gemini CLI | 2 | 965 tok |
| ezefranca/campeonato-brasileiro-api API simples do Campeonato Brasileiro | 104 | Claude Code, Codex, OpenCode | 3 | 306 tok |
| Stateford/Display-Lock stateford.github.io Locks cursor to specified window and/or converts windows to borderless fullscreen, and pre | 104 | Claude Code | 1 | 549 tok |
| lcbcFoo/heimdall-mcp-server Your AI Coding Assistant's Long-Term Memory | 104 | Claude Code | 1 | 2,420 tok |
| leanchy/BingoCode BingoCode is a lightweight, open-source CLI orchestrator inspired by Claude Code. It encap | 104 | Claude Code | 2 | — |
| Teczer/fast-expo-app fast-expo-app-web.vercel.app ⚡ Fast Expo App - React Native boilerplate CLI for rapid mobile app development. Instantly | 104 | Codex, OpenCode | 1 | 7,730 tok |
| berlinbra/alpha-vantage-mcp MCP Server for Alpha Advantage API | 104 | Claude Code | 1 | 1,470 tok |
| tonylofgren/aurora-smart-home instagram.com Independent Claude Skills for the whole smart home: Home Assistant, ESPHome, Node-RED, cus | 104 | Codex, OpenCode | 1 | 576 tok |
| GRIND-Lab-Core/night_owl_research_agent Fully automatic AI research agent for Geoscientists, Remote Sensing researchers, and GISci | 104 | Claude Code | 1 | 4,725 tok |
| skanehira/chatbook A PDF reader that lets you select passages of interest while reading technical books and a | 104 | Claude Code | 1 | 43,772 tok |
| weaviate/agent-skills Agent Skills to empower developers building AI applications with Weaviate. | 104 | Claude Code, Codex, OpenCode | 2 | 1,661 tok |
| ericdrowell/brometal brometal.dev BroMetal is an LLVM-inspired compiler that transforms TypeScript into highly optimized GPU | 104 | Claude Code, Codex, OpenCode | 2 | 2,052 tok |