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 |
|---|---|---|---|---|
| modery/PowerDocu Generate technical documentation from your existing Power Platform solutions, including Fl | 653 | Claude Code, GitHub Copilot | 2 | 7,252 tok |
| microsoft/rayfin Backend-as-a-Service with built-in auth, data, and more | 653 | Claude Code, GitHub Copilot | 41 | 4,711 tok |
| nirholas/XActions xactions.app ⚡ The Complete X/Twitter Automation Toolkit — Scrapers, MCP server for AI agents (Claude/G | 644 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 8,538 tok |
| josix/awesome-claude-md josix.github.io Curated collection of exemplary claude.md files and onboarding patterns from public GitHub | 627 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,605 tok |
| LedgerHQ/ledger-live Mono-repository for Ledger Wallet apps and related packages | 624 | Claude Code, Codex, GitHub Copilot, OpenCode | 76 | 869 tok |
| Decade-qiu/CookHero CookHero is an intelligent diet and cooking management platform based on LLM + RAG + Agent | 624 | GitHub Copilot | 1 | 364 tok |
| velobase/velobase-harness All AI developers deserve to get paid. Turn your AI prototype into a paid SaaS with open- | 619 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,774 tok |
| FerroxLabs/wayland getwayland.com Wayland - The AI Agent That Perceives. Reasons. Acts. Evolves. | 617 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 3,771 tok |
| operately/operately operately.com The open source company operating system. | 617 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 8,572 tok |
| provos/ironcurtain ironcurtain.dev A secure* runtime for autonomous AI agents. Policy from plain-English constitutions. (*htt | 616 | Claude Code, GitHub Copilot, Gemini CLI | 10 | 9,002 tok |
| nodetool-ai/nodetool nodetool.ai Agent-first Creative Workspace | 614 | Claude Code, Codex, GitHub Copilot, OpenCode | 33 | 15,022 tok |
| rtk-ai/icm Permanent memory for AI agents. Single binary, zero dependencies, MCP native. | 613 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,485 tok |
| yoosuf/Messenger yoosuf.me Relational messaging database schema for one-to-one and group chat apps with attachments a | 609 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 805 tok |
| jasonjgardner/blockbench-mcp-plugin jasonjgardner.github.io Adds MCP server to Blockbench | 606 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 4,084 tok |
| thunder-id/thunderid thunderid.dev ThunderID, an LF Decentralized Trust project, is a high-performance, open-source identity | 605 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 1,678 tok |
| ROCm/aiter rocm.github.io AI Tensor Engine for ROCm | 605 | Claude Code, GitHub Copilot | 10 | 5,733 tok |
| IgniteUI/igniteui-angular infragistics.com Ignite UI for Angular is a complete library of Angular UI components with the fastest grid | 599 | Codex, GitHub Copilot, OpenCode | 3 | 4,925 tok |
| EvovexAI/EvoFlow evovexai.com A harness super-agent orchestration framework featuring AI agent employees, workflows, kno | 599 | Codex, GitHub Copilot, OpenCode | 2 | 2,503 tok |
| BetterThanTomorrow/joyride marketplace.visualstudio.com Making VS Code Hackable like Emacs since 2022 | 595 | Claude Code, Codex, GitHub Copilot | 5 | 3,292 tok |
| 514-labs/moosestack docs.fiveonefour.com The agent harness for building analytics into your app on top of ClickHouse, Redpanda and | 591 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,316 tok |
| agentic-in/elephant-agent elephant.agentic-in.ai Personal-Model First Self Evolving AI Agent 🐘 | 584 | Codex, GitHub Copilot, OpenCode | 2 | 1,922 tok |
| ZimoLiao/scholaraio zimoliao.github.io Scholar All-In-One: A research infrastructure for AI agents | 584 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 49 | 2,699 tok |
| HoangNguyen0403/agent-skills-standard npmjs.com A collection of Agent Skills Standard and Best Practice for Programming Languages, Framewo | 583 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,336 tok |
| facebook/meta-wearables-dat-ios Meta Wearables Device Access Toolkit for iOS | 576 | Codex, GitHub Copilot, OpenCode | 2 | 23,039 tok |
| Azure/azure-dev aka.ms A developer CLI for working with Azure resources to build and deploy AI applications. Comm | 572 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 2,016 tok |
| umutxyp/Seo-Promt-Master 🔍 Google SEO's full docs as an AI prompt machine — drop it into your AI assistant to map | 572 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,230 tok |
| JKorf/CryptoExchange.Net cryptoexchange.jkorf.dev A C# .netstandard base library used for implementing cryptocurrency exchange API's. | 569 | Codex, GitHub Copilot, OpenCode | 2 | 2,975 tok |
| johnpapa/vscode-angular-snippets Angular Snippets for VS Code | 566 | Codex, GitHub Copilot, OpenCode | 2 | 2,225 tok |
| sinanata/unity-ui-toolkit-design-system sinanata.github.io Drop-in design system for Unity 6 UI Toolkit (UIDocument + PanelRenderer, UXML + USS): tok | 565 | Codex, GitHub Copilot, OpenCode | 2 | 3,593 tok |
| vltpkg/vltpkg vlt.sh the vlt package manager monorepo | 564 | Codex, GitHub Copilot, OpenCode | 2 | 3,361 tok |
| emiliaprotocol/emilia-protocol emiliaprotocol.ai Authority control plane for autonomous work. EMILIA Gate enforces finite customer-owned ma | 562 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,869 tok |
| irockel/tda irockel.github.io TDA - Thread Dump Analyzer (for Java). Analyze your Thread Dumps with a GUI or use it as M | 553 | Claude Code, Codex, GitHub Copilot | 2 | 441 tok |
| tarampampam/webhook-tester wh.tarampamp.am 🔭 Powerful tool for testing WebHooks and more | 552 | Codex, GitHub Copilot, OpenCode | 2 | 1,462 tok |
| esbmc/esbmc esbmc.org The efficient SMT-based context-bounded model checker (ESBMC) | 543 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,525 tok |
| bahayonghang/academic-writing-skills bahayonghang.github.io AI-powered post-writing toolkit for academic papers — format validation, grammar/style pol | 540 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,930 tok |
| gitmono-dev/mega gitmega.ai Mega is an open-source implementation of Google Piper — a Git-compatible monorepo engine b | 539 | GitHub Copilot | 1 | 1,330 tok |
| agentregistry-dev/agentregistry aregistry.ai Fast-track AI innovation with a centralized, trusted, curated registry | 537 | Codex, GitHub Copilot, OpenCode | 2 | 3,912 tok |
| clawdotnet/openclaw.net agentqi.dev Self-hosted Enterprise and Personal AI + agent runtime in .NET (NativeAOT-friendly) | 532 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 920 tok |
| FutureExcited/vibe-rules Save, load, distribute your AI rules | 528 | GitHub Copilot | 1 | 47 tok |
| ansys/pymapdl mapdl.docs.pyansys.com A Python client library for Ansys MAPDL | 527 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 2,068 tok |
| Obiente/nc-native nc-native.obiente.dev Adaptive native Nextcloud client for mobile and desktop, with dynamic support for the wide | 527 | Codex, GitHub Copilot, OpenCode | 2 | 8,419 tok |
| oisee/vibing-steampunk vs-punk: ADT to MCP bridge - Vibe code in ABAP / AMDP | 522 | Claude Code, GitHub Copilot | 3 | 5,080 tok |
| comma-csv/comma Comma is a small CSV (ie. comma separated values) generation extension for Ruby objects, t | 521 | GitHub Copilot | 1 | 797 tok |
| nudgebee/nudgebee nudgebee.com Open-source agentic ops platform for cloud, SRE, DevOps, support and FinOps teams. AI agen | 520 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 30 | 5,694 tok |
| ZaxbyHub/opencode-swarm Architect-centric agentic swarm plugin for OpenCode. Hub-and-spoke orchestration with SM | 518 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 10,577 tok |
| oculus-samples/Unity-PassthroughCameraApiSamples A Sample Project for Passthrough Camera API in Unity. | 516 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 9 | 1,092 tok |
| antgroup/vsag vsag.io vsag is a vector indexing library used for similarity search. | 516 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,535 tok |
| managedcode/dotnet-skills skills.managed-code.com One of the largest .NET-focused skill collections for AI coding assistants, with a catalog | 508 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 14,250 tok |
| ericboy0224/learn-docker-and-k8s Interactive AI-driven game to learn Docker, Linux, networking & Kubernetes. Open in Claude | 507 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 14 | 796 tok |
| epam/ai-dial-chat chat.dialx.ai A default UI for AI DIAL | 501 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 56 | 2,530 tok |