1,310 projects whose own agent configuration covers testing. 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 agents7,374Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Research2,292DevOps and cloud2,282Writing and docs2,269
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| simonw/claude-code-transcripts Tools for publishing transcripts for Claude Code sessions | 1,683 | Claude Code, Codex, OpenCode | 2 | 93 tok |
| Eynzof/Hermes-CN-Desktop hermesagent.org.cn Hermes Agent CN desktop app, Windows-First, built with Tauri, Typescript and Rust. Isolate | 1,668 | Claude Code, Codex, OpenCode | 6 | 7,436 tok |
| nimbalyst/nimbalyst nimbalyst.com Nimbalyst - The open-source visual workspace for Claude Code, Codex, and OpenCode. Run mul | 1,666 | Claude Code, Codex, OpenCode | 36 | 7,003 tok |
| kubeshop/testkube testkube.io ☸️ The Open Testing Platform for AI-Driven Engineering Teams | 1,654 | Codex, OpenCode | 1 | 3,392 tok |
| 0xSteph/pentest-ai pentestai.xyz Open-source AI pentester that proves every finding. Machine oracles re-run each exploit; v | 1,652 | Codex, OpenCode | 1 | 793 tok |
| legeling/PromptHub prompthub.click An all-in-one AI toolbox for prompt, skill, and agent management. Efficiently manage promp | 1,641 | Codex, OpenCode | 1 | 12,215 tok |
| golemcloud/golem learn.golem.cloud Golem Cloud is the agent-native platform for building AI agents and distributed applicatio | 1,513 | Claude Code, Codex, OpenCode | 32 | 3,483 tok |
| inkline/inkline inkline.io Inkline is the intuitive UI Components library that gives you a developer-friendly foundat | 1,462 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 27 | 1,855 tok |
| hyhmrright/brooks-lint hyhmrright.github.io AI code reviews grounded in 12 classic engineering books — decay risk diagnostics with boo | 1,455 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,076 tok |
| chunkhound/chunkhound chunkhound.ai Your entire engineering context, deeply understood | 1,428 | Claude Code, Codex, OpenCode | 5 | 2,314 tok |
| openclaw/crabbox crabbox.sh Crabbox: warm a box, sync the diff, run the suite. | 1,373 | Claude Code, Codex, OpenCode | 2 | 1,651 tok |
| cosmtrek/mindwalk A visualization tool that replays coding-agent sessions on a 3D map of your codebase. | 1,322 | Claude Code, Codex, OpenCode | 3 | 881 tok |
| LargeModGames/spotatui spotatui.com A fast, standalone terminal music player in Rust: native Spotify streaming plus local, Sub | 1,316 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 27,848 tok |
| lycorp-jp/sim-use Give your AI agent eyes and hands on iOS Simulator and Android emulator/devices. | 1,312 | Claude Code, Codex, OpenCode | 5 | 1,944 tok |
| paradigmxyz/centaur centaur.run Centaur is frontier, agentic infrastructure that you own. Centaur is like Claude Tag, but | 1,246 | Claude Code, Codex, OpenCode | 12 | 1,824 tok |
| uphiago/recon-skills hiago.sh Recon & pentest skill pack. CORS, XSS, SQLi, SSRF, RCE, WordPress, MCP, cloud, subdomain t | 1,245 | Codex, OpenCode | 1 | 900 tok |
| mrwadams/attackgen AttackGen is a cybersecurity incident response testing tool that leverages the power of la | 1,239 | Claude Code, Codex, OpenCode | 2 | 7,390 tok |
| vellum-ai/vellum-assistant vellum.ai An AI Assistant that’s easy to setup, does your work 24/7, knows your preferences and gets | 1,201 | Claude Code, Codex, Cursor, OpenCode | 16 | 9,582 tok |
| phronesis-io/eigenflux eigenflux.ai Official repository for EigenFlux — the open-source communication and broadcast network fo | 1,147 | Claude Code, Codex, OpenCode | 4 | 1,742 tok |
| massgen/MassGen docs.massgen.ai 🚀 MassGen is an open-source multi-agent scaling system that runs in your terminal, autono | 1,128 | Claude Code, Codex, OpenCode | 2 | 9,136 tok |
| withkynam/vibecode-pro-max-kit Your AI forgets. This remembers. Spec-driven coding harness for vibecoders, product owners | 1,117 | Claude Code, Codex, OpenCode | 56 | 15,545 tok |
| raindrop-ai/workshop raindrop.ai Give your coding agent the power to write and run agent evals. | 1,070 | Codex, OpenCode | 1 | 451 tok |
| rogue-security/rogue qualifire.ai AI Agent Evaluator & Red Team Platform | 1,060 | Codex, OpenCode | 1 | 1,055 tok |
| cBioPortal/cbioportal cbioportal.org cBioPortal for Cancer Genomics | 1,031 | Claude Code, Codex, OpenCode | 2 | 741 tok |
| rdi-berkeley/agents-last-exam agents-last-exam.org Agents' Last Exam | 1,014 | Codex, OpenCode | 1 | 1,548 tok |
| johnhuang316/code-index-mcp A Model Context Protocol (MCP) server that helps large language models index, search, and | 1,005 | Claude Code, Codex | 2 | — |
| scaleway/scaleway-cli cli.scaleway.com Command Line Interface for Scaleway | 996 | Claude Code, Codex, OpenCode | 3 | 982 tok |
| oceanbase/powercontext powercontext.oceanbase.io Not only memory but a full story. | 950 | Codex, OpenCode | 1 | 1,049 tok |
| microsoft/wassette microsoft.github.io Wassette: A security-oriented runtime that runs WebAssembly Components via MCP | 941 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 510 tok |
| vostride/agent-qa vostride.com Open-source self-improving QA agent for software teams. A test harness with memory. Write | 901 | Codex, OpenCode | 1 | 1,569 tok |
| stackql/stackql stackql.io Query, provision and operate Cloud, SaaS, API and Model Context Protocol (MCP) resources t | 898 | Claude Code, Codex, OpenCode | 2 | 2,211 tok |
| tanem/react-svg npm.im :art: A React component that injects SVG into the DOM. | 883 | Claude Code, Codex, OpenCode | 2 | 1,335 tok |
| vinhnx/VTCode vinhnx.github.io VT Code is an open-source Rust terminal coding agent. | 833 | Codex, GitHub Copilot, OpenCode | 2 | 6,676 tok |
| Mininglamp-OSS/octo-server 🐙 The Go backend powering OCTO — an open workplace built for humans × AI agents. REST & W | 823 | Claude Code, Codex, OpenCode | 7 | 4,907 tok |
| SpaiR/imgui-java JNI based binding for Dear ImGui | 820 | Claude Code, Codex, OpenCode | 2 | 3,728 tok |
| openclaw/clawpatch clawpatch.ai Review code. Patch bugs. Land PRs. | 811 | Claude Code, Codex, OpenCode | 3 | 578 tok |
| sockudo/sockudo sockudo.io Blazingly fast pusher drop-in replacement written in rust | 797 | Claude Code, Codex, OpenCode | 4 | 5,564 tok |
| EC-CUBE/ec-cube ec-cube.net EC-CUBE is the most popular e-commerce solution in Japan | 787 | Claude Code, Codex, Gemini CLI, OpenCode | 23 | 7,455 tok |
| Purewhiter/mobilegym mobilegym.dev [EMNLP 2026] MobileGym: A Verifiable and Highly Parallel Simulation Platform for Mobile GU | 786 | Claude Code, Codex, OpenCode | 5 | 6,882 tok |
| bosun-ai/swiftide swiftide.rs Fast, streaming indexing, query, and agentic LLM applications in Rust | 777 | Codex, OpenCode | 1 | 830 tok |
| getumbrel/umbrel-apps apps.umbrel.com The official app repository of the Umbrel App Store. Submit apps and updates here. Learn h | 771 | Claude Code, Codex, OpenCode | 6 | 110 tok |
| bastani-inc/atomic bastani.ai The verifiable coding agent runtime. Define your coding agent's process in natural languag | 769 | Claude Code, Codex, OpenCode | 9 | 6,613 tok |
| desplega-ai/agent-swarm agent-swarm.dev Your Company Agentic Operating System | 749 | Claude Code, Codex, OpenCode | 4 | 8,272 tok |
| cardmagic/classifier A general classifier module to allow Bayesian and LSI classifications. | 741 | Claude Code, Codex, OpenCode | 3 | 1,005 tok |
| huggingface/upskill Generate and evaluate agent skills for code agents like Claude Code, Open Code, OpenAI Cod | 741 | Codex, OpenCode | 1 | 443 tok |
| kitfunso/hippo-memory hippo-memory.com Biologically-inspired memory for AI agents. Decay, retrieval strengthening, consolidation. | 740 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| johnthagen/python-blueprint johnthagen.github.io 🗺️ Example Python project using best practices 🐍 https://github.com/johnthagen/python-bl | 738 | Codex, OpenCode | 1 | 71 tok |
| ZeroLeaks/zeroleaks zeroleaks.ai AI Security Scanner - Test your AI systems for prompt injection and extraction vulnerabili | 732 | Codex, OpenCode | 1 | 2,649 tok |
| steve02081504/fount steve02081504.github.io 🪄 Magic is a world of imagination—turn intention into voice. 💫 | 706 | Claude Code, Codex, OpenCode | 3 | 2,199 tok |
| HazAT/pi-interactive-subagents Interactive subagents for pi — spawn, orchestrate, and manage sub-agent sessions in cmux t | 676 | Claude Code, Codex | 2 | — |