875 projects whose own agent configuration covers building agents. 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 Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| duckduckgo/apple-browsers duckduckgo.com DuckDuckGo iOS & macOS browsers | 251 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 459 tok |
| EmpiricaAI/empirica getempirica.com Make AI agents and AI workflows measurably reliable. Epistemic measurement, Noetic RAG, | 247 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 3 | 6,962 tok |
| SCStelz/security-investigator Automated security investigation tool using Microsoft MCP Servers, GitHub Copilot, Python | 244 | Claude Code, Codex, GitHub Copilot | 29 | 22,159 tok |
| felipebarcelospro/igniter-js igniterjs.com Igniter is a modern, type-safe HTTP framework designed to streamline the development of sc | 242 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 26,005 tok |
| laiso/ts-bench laiso.github.io Benchmark CLI for comparing AI coding agents on TypeScript workloads. | 240 | Codex, GitHub Copilot, OpenCode | 2 | 343 tok |
| responsibleai/ASSERT responsibleai.github.io Requirement-driven evaluation harness for AI agents and LLM applications. Generate behavio | 236 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 7 | 6,087 tok |
| microsoft/discovery Microsoft Discovery community repository | 236 | Claude Code, Codex, GitHub Copilot | 5 | 2,104 tok |
| holtwood/awesome-cursorrules-zh lessup.github.io A curated collection of Cursor AI programming rules | 132+ rules covering 32 areas, includ | 232 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,485 tok |
| bitrouter/bitrouter bitrouter.ai The context-aware model router that learns & adapts to your long-horizon coding agent work | 224 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,657 tok |
| streamlit/agent-skills A collection of agent skills for development of Streamlit apps. | 224 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,428 tok |
| timothywarner-org/claude-code techtrainertim.com Claude Code and Large-Context Reasoning (O'Reilly Live Learning) | 223 | Claude Code, GitHub Copilot | 23 | 5,219 tok |
| TentacleOpera/switchboard Switchboard plugin for VS Code, enables subscription-based AI agent teams | 214 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 10,991 tok |
| dotnet/maui-labs dot.net Experimental and pre-release tools for .NET MAUI | 213 | Claude Code, Codex, GitHub Copilot, OpenCode | 13 | 18,761 tok |
| QuantClaw/QuantClaw a C++ implementation of OpenClaw, designed for extremely performance and memory efficiency | 212 | GitHub Copilot | 1 | 737 tok |
| DandanLLab/legadoSkill | 211 | Claude Code, Codex, GitHub Copilot | 3 | 795 tok |
| FerroxLabs/ijfw npmjs.com IJFW — It Just F*cking Works. Ferrox Labs' local-first infrastructure for AI coding agents | 210 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,538 tok |
| junevm/splathash junevm.github.io 16 bytes fixed size image placeholder, an alternative to blurhash and thumbhash | 209 | Claude Code, Codex, GitHub Copilot | 4 | 29 tok |
| Garudex-Labs/caracal caracal.run 🐾 Authority, not credentials, for AI agents: policy-approved actions, delegation that can | 206 | Claude Code, GitHub Copilot | 19 | 4,434 tok |
| lornshrimp/Lorn.NovelWriteSkills An AI writing asset library for long-form web fiction and novel workflows. Rather than a r | 203 | GitHub Copilot | 7 | 13,967 tok |
| Azure-Samples/mcp-agent-langchainjs Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to ord | 201 | Codex, GitHub Copilot, OpenCode | 6 | 1,365 tok |
| thomast1906/github-copilot-agent-skills Repo containing my GitHub Copilot Agent & Skills - continually experimenting! | 198 | Claude Code, Codex, GitHub Copilot | 21 | 2,119 tok |
| broadinstitute/viral-ngs viral-ngs.readthedocs.io viral-ngs: command line tools and wrappers for processing raw viral genomic data | 197 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 6,010 tok |
| dvcrn/mcp-server-siri-shortcuts MCP for calling Siri Shorcuts from LLMs | 192 | Claude Code, GitHub Copilot | 2 | 52 tok |
| lennney/mcp-slim-guard take-a-deep-breath0.com Context compression for MCP. Same upstream call, exact results recoverable. | 192 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,224 tok |
| mainline-org/mainline mainline.sh Git-native memory for coding agents. Repo memory before the diff. | 189 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,310 tok |
| peltmonger/stardrive astro-stardrive.com The Astro boilerplate to create super stable and fast websites in the AI age | 187 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 3,374 tok |
| phil65/agentpool phil65.github.io A unified agent orchestration hub that lets you configure and manage multiple AI agents (n | 185 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,723 tok |
| johnpapa/ai-ready Agent Skill that analyzes your repo and generates the AI-ready configuration coding agents | 184 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 2,715 tok |
| adeze/raindrop-mcp Raindrop MCP Server | 183 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 15 | 4,145 tok |
| pass-agent/loomkin What if AI agents could form teams as fluidly as humans? Spawn specialists in milliseconds | 179 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 780 tok |
| skills/expand-your-team-with-copilot Let Copilot coding agent tackle your issues directly on GitHub. No coding environment need | 178 | GitHub Copilot | 1 | 13 tok |
| microsoft/Agents-for-net This repository is for active development of the Microsoft 365 Agent SDK components for .N | 177 | Claude Code, GitHub Copilot | 10 | 5,975 tok |
| iPythoning/b2b-sdr-agent-template pulseagent.io Open-source AI SDR template for B2B export. 10-stage sales pipeline, 10 cron jobs, 4-engin | 173 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,153 tok |
| pi22by7/In-Memoria Persistent Intelligence Infrastructure for AI Agents | 172 | GitHub Copilot | 1 | 3,037 tok |
| Kpa-clawbot/CoreScope MeshCore mesh network analyzer — live packet visualization, VCR replay, channel decryption | 170 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 7,204 tok |
| webgptorg/promptbook ptbk.io Turn your company's scattered knowledge into AI ready Books ✨ | 167 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,789 tok |
| confluentinc/mcp-confluent | 167 | Claude Code, GitHub Copilot | 7 | 7,021 tok |
| msei99/pbgui | 166 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,603 tok |
| devantler-tech/ksail ksail.devantler.tech All-in-one Kubernetes SDK: create, manage, and operate clusters across distributions (Kind | 165 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 7,603 tok |
| stacklok/toolhive-studio stacklok.com ToolHive is an application that allows you to install, manage and run MCP servers and conn | 163 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,784 tok |
| tctinh/agent-hive | 161 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 3,387 tok |
| sammcj/mcp-devtools smcleod.net A modular MCP server that provides commonly used developer tools for AI coding agents | 159 | Claude Code, GitHub Copilot | 3 | 7,346 tok |
| KbWen/agentic-os Governance framework for AI coding agents. It runs them through a five-step workflow (plan | 159 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 55 | 4,982 tok |
| jmstar85/oh-my-githubcopilot linkedin.com Ultimate Harness Automation for Github Copilot on VS Code. It provides 28+ specialized age | 154 | Claude Code, Codex, GitHub Copilot | 59 | 3,594 tok |
| olivomarco/github-copilot-token-optimization olivomarco.github.io Techniques to optimize token usage on GitHub Copilot | 154 | Claude Code, Codex, GitHub Copilot | 33 | 94 tok |
| UHolli/ai-website-cloner AI website cloner for rebuilding live websites with AI coding agents | 150 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,588 tok |
| equinor/neqsim equinor.github.io NeqSim is a library for calculation of fluid behavior, phase equilibrium and process simul | 150 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 34,717 tok |
| shashankswe2020-ux/whoop-mcp shashankswe2020-ux.github.io MCP server to connect to whoop API | 150 | Claude Code, Codex, GitHub Copilot | 34 | 2,866 tok |
| netdevops/hier_config hier-config.readthedocs.io Hierarchical Configuration | 149 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,245 tok |
| RailtownAI/railtracks docs.railtracks.org An agentic framework that helps developers build resilient agentic systems | 148 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 5,747 tok |