147 projects whose own agent configuration covers languages. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.
All projects Building agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| BerriAI/litellm docs.litellm.ai The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (o | 62,790 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 4,445 tok |
| major/MySQLTuner-perl MySQLTuner is a script written in Perl that will assist you with your MySQL configuration | 9,476 | Claude Code, Codex, Gemini CLI | 8 | 592 tok |
| google/adk-go google.github.io An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticate | 8,943 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,560 tok |
| HuLaSpark/HuLa hulaspark.com 🍀 A cross-platform instant messaging desktop application with exceptional performance bui | 7,801 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Windsurf | 5 | 5 tok |
| GoogleCloudPlatform/agent-starter-pack goo.gle Ship AI Agents to Google Cloud in minutes, not months. Production-ready templates with bui | 6,572 | Gemini CLI | 1 | 5,853 tok |
| JetBrains/koog docs.koog.ai Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and ent | 4,653 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 1,919 tok |
| jtblin/kube2iam kube2iam provides different AWS IAM roles for pods running on Kubernetes | 2,042 | Claude Code, Codex, Gemini CLI | 2 | 334 tok |
| relaticle/relaticle relaticle.com Open-source CRM your AI agents can read and update: companies, people, opportunities, task | 1,811 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 32 | 54,503 tok |
| google/adk-java google.github.io An open-source, code-first Java toolkit for building, evaluating, and deploying sophistica | 1,765 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,297 tok |
| Power-Components/livewire-powergrid livewire-powergrid.com ⚡ PowerGrid generates modern, powerful and easy-to-customize data tables using Laravel Liv | 1,696 | Claude Code, Gemini CLI | 2 | 2,658 tok |
| PaulJPhilp/EffectPatterns effect-patterns.vercel.app A community-driven knowledge base of practical patterns for Effect-TS. | 806 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 7 | 7,115 tok |
| BigSweetPotatoStudio/HyperChat HyperChat is a Chat client that strives for openness, utilizing APIs from various LLMs to | 708 | Claude Code, GitHub Copilot, Gemini CLI | 4 | 11,778 tok |
| devoxx/DevoxxGenieIDEAPlugin genie.devoxx.com DevoxxGenie is an agentic plugin for IntelliJ IDEA that uses local LLM's (Ollama, LMStudio | 687 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,707 tok |
| JustinBeckwith/retry-axios 🦖 A super flexible interceptor for Axios that makes it easy to retry requests. | 512 | Codex, Gemini CLI, OpenCode | 2 | 2,313 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 |
| hyperledger-iroha/iroha docs.iroha.tech Iroha: A cutting-edge, enterprise-grade decentralized ledger | 490 | Codex, Gemini CLI, OpenCode | 2 | 4,455 tok |
| AndrewDryga/emisar emisar.dev Let AI agents investigate and operate infrastructure through declared actions, bounded by | 429 | Claude Code, Codex, Gemini CLI, OpenCode | 29 | 2,020 tok |
| paiml/depyler paiml.github.io Compiles Python to Rust, helping transition off of Python to Energy Efficient and Safe Rus | 366 | Claude Code, Gemini CLI | 6 | 3,772 tok |
| thomaskioko/tv-maniac Tv-Maniac is a personalized entertainment tracking and recommendation Multiplatform app (A | 366 | Gemini CLI | 1 | 1,310 tok |
| laraowl/laraowl laraowl.mintlify.site open-source, self-hosted monitoring platform for Laravel. Track requests, exceptions, data | 362 | Claude Code, Codex, Gemini CLI | 8 | 5,078 tok |
| googlemaps/android-maps-ktx developers.google.com Kotlin extensions (KTX) for the Maps SDK and Utility Library for Android | 361 | Gemini CLI | 1 | — |
| GoogleCloudPlatform/race-condition developers.google.com The open source multi-agent simulation from the Developer Keynote at Google Cloud Next '26 | 239 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 2,675 tok |
| DecapodLabs/decapod decapodlabs.github.io Metacognition for AI agents. A repo-native governance kernel for bounded, convergent, proo | 237 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,318 tok |
| wvlet/wvlet wvlet.org Wvlet: a flow-style query language that compiles to SQL for DuckDB, Trino, Snowflake, and | 158 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 9,031 tok |
| Curiosity-Ai-BV/localOCR Using Gemma-4 Vision, Gemma-3 Vision, Llama 3.2 and more | 148 | Codex, Gemini CLI, OpenCode | 2 | 1,333 tok |
| liberusoftware/real-estate-laravel liberusoftware.com Real Estate / Estate Agent, solution for your Property Agency. Application written in Lara | 115 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 15 | 33,626 tok |
| protoman/rockbot rockbot.upperland.net An open-source, SDL based, game engine to replicate old style NES games, mostly Megaman on | 93 | GitHub Copilot, Gemini CLI | 2 | 750 tok |
| grarcht/Shuttle Prevent TransactionTooLargeException crashes. For good. A modern Android framework for sa | 87 | Claude Code, Gemini CLI | 2 | 1,793 tok |
| Jovancoding/Network-AI network-ai.org Traffic light for AI Agents and TypeScript/Node multi-agent orchestrator with shared state | 86 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,030 tok |
| GoogleCloudPlatform/genmedia-izumi-agent | 69 | Gemini CLI | 1 | 147 tok |
| Fmarzochi/EGC fmarzochi.github.io EGC gives every AI coding agent the same brain. Shared memory, skills, and live context ac | 68 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode | 20 | 8,305 tok |
| vinhnx/vtchat VT Chat - A modern, privacy-first AI chat application with security | 59 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode | 12 | 15,979 tok |
| saeed-vayghan/gemini-agent-skills A comprehensive collection of expert AI Agent Skills for Google Gemini, featuring a powerf | 55 | Claude Code, Gemini CLI | 130 | — |
| antoniovazquezaraujo/LeTrain antoniovazquezaraujo.github.io The Letter Train Simulator | 50 | Codex, Gemini CLI, OpenCode | 5 | 2,493 tok |
| keithrbennett/cov-loupe keithrbennett.github.io Refines Ruby Simplecov test coverage data as CLI, MCP server, and library | 48 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,009 tok |
| krazyjakee/AGENTS.db AGENTS.db is AGENTS.md on steroids. A file format and toolkit for deterministic context. | 46 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 705 tok |
| transient-haskell/transient-stack All the Transient libraries | 45 | Codex, Gemini CLI, OpenCode | 2 | 41,065 tok |
| cybergarage/go-matter Matter is an open-source connectivity standard for smart home and IoT (Internet of Things) | 44 | GitHub Copilot, Gemini CLI | 2 | 1,723 tok |
| FerroxLabs/wayland-core getwayland.com Multi-provider AI agent CLI written in Rust | 43 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,106 tok |
| zcaudate-xyz/foundation-base zcaudate.xyz core libs and utilities | 42 | Codex, Gemini CLI, OpenCode | 2 | 21,482 tok |
| Nagarjuna2997/ios-agent-skill nagarjuna2997.github.io Swift source, Apple guides and MCP tools for AI coding agents. Review iOS code, scaffold a | 40 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 5,145 tok |
| nirholas/UCAI ucai.ninabrekkerese.workers.dev Universal Contract AI Interface (UCAI) 🔗 ABI to MCP | The open standard for connecting AI | 38 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 926 tok |
| datenoio/iterabledata Iterable Data is a Python library for reading and writing data files row by row in a consi | 38 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 13 | 2,467 tok |
| KhaledSaeed18/node-express-boilerplate Production-ready Express + TypeScript backend boilerplate with clean layered architecture, | 36 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 6 | 1,536 tok |
| Djarvur/go-enumsafety Linter to provide almost real enums experience in Golang | 36 | Gemini CLI | 1 | 713 tok |
| labex-labs/labex-cheatsheets labex.io Cheatsheets for Programming Beginners | 31 | GitHub Copilot, Gemini CLI | 2 | 1,788 tok |
| gonzalop/wombatt A tool for monitoring batteries and inverters. | 30 | Gemini CLI | 1 | 616 tok |
| igmarin/rails-agent-skills 28 Rails-specific skills + 9 workflow templates for agentic development. | 29 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 236 tok |
| PaulJPhilp/effect-cli-tui | 29 | Claude Code, Gemini CLI | 2 | 8,970 tok |
| orecus/faber The AI Architect for your codebase | 28 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,013 tok |