1,595 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 agents8,356Claude Code6,837Data and AI3,595Backend and APIs3,545Git and workflow3,545Languages3,458Planning3,300Code review2,870DevOps and cloud2,441Writing and docs2,440Memory and context2,373Research2,311
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| nspady/google-calendar-mcp MCP integration for Google Calendar to manage events. | 1,206 | Claude Code, Codex, OpenCode | 10 | 2,636 tok |
| platonai/Browser4 browser4.io Browser4 — an AI-native browser engine for autonomous agents, intelligent extraction, and | 1,169 | Claude Code, Codex, OpenCode | 3 | 7,607 tok |
| withkynam/vibecode-pro-max-kit Your AI forgets. This remembers. Spec-driven coding harness for vibecoders, product owners | 1,161 | Claude Code, Codex, OpenCode | 56 | 15,545 tok |
| TIGER-AI-Lab/ClawBench claw-bench.com Open-source benchmark for browser AI agents on daily tasks. | 1,147 | Codex, OpenCode | 1 | 1,826 tok |
| massgen/MassGen docs.massgen.ai 🚀 MassGen is an open-source multi-agent scaling system that runs in your terminal, autono | 1,145 | Claude Code, Codex, OpenCode | 2 | 9,136 tok |
| rdi-berkeley/agents-last-exam agents-last-exam.org Agents' Last Exam | 1,144 | Codex, OpenCode | 1 | 1,547 tok |
| safedep/vet safedep.io Protect against malicious open source packages 🤖 | 1,121 | Claude Code, Codex, OpenCode | 3 | 2,106 tok |
| raindrop-ai/workshop raindrop.ai Give your coding agent the power to write and run agent evals. | 1,115 | Codex, OpenCode | 1 | 451 tok |
| Mininglamp-OSS/octo-server 🐙 The Go backend powering OCTO — an open workplace built for humans × AI agents. REST & W | 1,101 | Claude Code, Codex, OpenCode | 7 | 4,907 tok |
| takahirom/roborazzi takahirom.github.io Make JVM Android integration test visible 🤖📸 | 1,073 | Codex, OpenCode | 1 | 777 tok |
| rogue-security/rogue qualifire.ai AI Agent Evaluator & Red Team Platform | 1,071 | Codex, OpenCode | 1 | 1,055 tok |
| stackql/stackql stackql.io Query, provision and operate Cloud, SaaS, API and Model Context Protocol (MCP) resources t | 1,069 | Claude Code, Codex, OpenCode | 2 | 2,592 tok |
| cBioPortal/cbioportal cbioportal.org cBioPortal for Cancer Genomics | 1,059 | Claude Code, Codex, OpenCode | 2 | 1,028 tok |
| a16z/jolt jolt.a16zcrypto.com The simplest and most extensible zkVM. Fast and fully open source from a16z crypto and fri | 1,059 | Claude Code, Codex, OpenCode | 11 | 4,273 tok |
| scaleway/scaleway-cli cli.scaleway.com Command Line Interface for Scaleway | 1,019 | Claude Code, Codex, OpenCode | 3 | 1,409 tok |
| johnhuang316/code-index-mcp A Model Context Protocol (MCP) server that helps large language models index, search, and | 1,007 | Claude Code, Codex | 2 | — |
| microsoft/wassette microsoft.github.io Wassette: A security-oriented runtime that runs WebAssembly Components via MCP | 972 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 510 tok |
| desplega-ai/agent-swarm agent-swarm.dev Your Company Agentic Operating System | 961 | Claude Code, Codex, OpenCode | 8 | 10,646 tok |
| LvcidPsyche/auto-browser Give your AI agent a real browser — with a human in the loop. Open-source MCP-native brows | 914 | Codex, OpenCode | 1 | 673 tok |
| Jakedismo/codegraph-rust 100% Rust implementation of code graphRAG with blazing fast AST+FastML parsing, surrealDB | 907 | Claude Code, Codex, OpenCode | 2 | 7,563 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 |
| vinhnx/VTCode vtcode.vinhnx.chatgpt.site VT Code is an open-source Rust terminal coding agent. | 894 | Codex, GitHub Copilot, OpenCode | 2 | 8,037 tok |
| s0ld13rr/pentestcode PentestCode - Multi-agent AI penetration testing system with persistent engagement state, | 889 | Claude Code, Codex, OpenCode | 2 | 11,646 tok |
| tanem/react-svg npm.im :art: A React component that injects SVG into the DOM. | 881 | Codex, OpenCode | 1 | 940 tok |
| kawamataryo/sky-follower-bridge sky-follower-bridge.dev Instantly find and follow the same users from your X(Twitter) follower on Bluesky. | 879 | Codex, OpenCode | 1 | 91 tok |
| xiaolai/vmark vmark.app An AI friendly markdown editor. | 878 | Claude Code, Codex, OpenCode | 27 | 3,228 tok |
| rtlopez/esp-fc Flight controller software for hobbyist - build your own flight controller. | 873 | Codex, OpenCode | 1 | 1,072 tok |
| bastani-inc/atomic bastani.ai The verifiable coding agent runtime. Define your coding agent's process in natural languag | 870 | Claude Code, Codex, OpenCode | 9 | 7,376 tok |
| open-mercato/cezar cezar.run Open-source orchestrator and ADE for running Claude Code, Codex, OpenCode, Pi and other AI | 866 | Claude Code, Codex, OpenCode | 4 | 9,998 tok |
| Purewhiter/mobilegym mobilegym.dev [EMNLP 2026] MobileGym: A Verifiable and Highly Parallel Simulation Platform for Mobile GU | 841 | Claude Code, Codex, OpenCode | 5 | 6,882 tok |
| sockudo/sockudo sockudo.io Blazingly fast pusher drop-in replacement written in rust | 834 | Claude Code, Codex, OpenCode | 4 | 5,564 tok |
| SpaiR/imgui-java JNI based binding for Dear ImGui | 826 | Claude Code, Codex, OpenCode | 2 | 3,728 tok |
| spylang/spy SPy language | 823 | Claude Code, Codex, OpenCode | 2 | 1,602 tok |
| openclaw/clawpatch clawpatch.ai Review code. Patch bugs. Land PRs. | 814 | Claude Code, Codex, OpenCode | 3 | 657 tok |
| hackerai-tech/hackerai hackerai.co Find and fix vulnerabilities by chatting with AI | 812 | Claude Code, Codex, OpenCode | 6 | 3,604 tok |
| bosun-ai/swiftide swiftide.rs Fast, streaming indexing, query, and agentic LLM applications in Rust | 798 | 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 | 791 | Claude Code, Codex, OpenCode | 5 | 104 tok |
| kitfunso/hippo-memory hippo-memory.com Stop re-teaching your agent. Make your agent's memory work like a brain. Hippo is long-ter | 786 | Claude Code, Codex, OpenCode | 2 | 1,147 tok |
| faiscadev/fakecloud fakecloud.dev Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, tr | 774 | Codex, OpenCode | 1 | 3,973 tok |
| huggingface/upskill Generate and evaluate agent skills for code agents like Claude Code, Open Code, OpenAI Cod | 761 | Codex, OpenCode | 1 | 443 tok |
| use-novamira/novamira novamira.ai MCP server that gives AI agents full access to WordPress through PHP execution and filesys | 747 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 298 tok |
| agentic-box/memora Give your AI agents persistent, collective memory — with deduplicating absorb, supersessio | 746 | Claude Code, Codex, OpenCode | 2 | 1,060 tok |
| johnthagen/python-blueprint johnthagen.github.io 🗺️ Example Python project using best practices 🐍 https://github.com/johnthagen/python-bl | 745 | Codex, OpenCode | 1 | 71 tok |
| ZeroLeaks/zeroleaks zeroleaks.ai AI Security Scanner - Test your AI systems for prompt injection and extraction vulnerabili | 743 | Codex, OpenCode | 1 | 2,972 tok |
| cardmagic/classifier A general classifier module to allow Bayesian and LSI classifications. | 741 | Claude Code, Codex, OpenCode | 3 | 1,005 tok |
| 1broseidon/ketch ketch.run Fast, stateless CLI for web search and scrape. Built for AI agents. | 733 | Claude Code, Codex, OpenCode | 3 | 5,445 tok |
| liveloveapp/hashbrown hashbrown.dev Hashbrown is a framework for building agents that run the browser. Built for Angular and R | 728 | Codex, OpenCode | 3 | 2,959 tok |
| nominal-io/instro instro.nominal.io An open-source library for hardware test instrumentation | 726 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 7,984 tok |
| HazAT/pi-interactive-subagents Interactive subagents for pi — spawn, orchestrate, and manage sub-agent sessions in cmux t | 724 | Claude Code, Codex | 2 | — |
| wshobson/maverick-mcp sethhobson.com Stock market MCP server for Yahoo Finance data, technical analysis, portfolio tracking, an | 713 | Claude Code, Codex, OpenCode | 2 | 1,499 tok |