1,222 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 agents7,450Claude Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353DevOps and cloud2,293Research2,288Writing and docs2,283
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| callstackincubator/skillgym Prove your agent skills work before you ship them. | 63 | Codex, OpenCode | 1 | 48 tok |
| yfge/ai-video-studio AI video production workflow platform for professional short drama teams. Timeline-first, | 62 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 1,434 tok |
| NomaDamas/girlfriend-in-cli An AI girlfriend or boyfriend that lives inside your terminal. Real personas, real convers | 62 | Claude Code, Codex, OpenCode | 31 | 265 tok |
| vichhka-git/opencode-shannon-plugin AI Penetration Testing Plugin for OpenCode — Autonomous pentesting with 600+ Kali Linux t | 60 | Codex, OpenCode | 1 | 1,881 tok |
| tenequm/pond pond.locker Lossless storage and search for AI agent sessions, across every agentic client. | 60 | Claude Code, Codex, OpenCode | 2 | 7,770 tok |
| actava-ai/chi-bench actava.ai Χ-Bench: Can AI Agents Automate End-to-End, Long-Horizon, Policy-Rich Healthcare Workflows | 60 | Claude Code, Codex, OpenCode | 2 | 4,425 tok |
| doncheli/don-cheli-sdd doncheli.tv Don Cheli — SDD Framework. The most comprehensive Specification-Driven Development framewo | 57 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 62 | 3,547 tok |
| netlify/axis axis.run Open source tooling and scoring framework to measure how well services work for AI agents. | 57 | Codex, OpenCode | 1 | 3,530 tok |
| Aerozb/Postman-cn The latest fully Chinese-translated version of Postman | 57 | Claude Code, Codex, OpenCode | 3 | 7,428 tok |
| ebibibi/ebi-agent-chat-relay Multi-frontend agent relay: run Claude Code, Codex, local, and AG-UI agents from Discord o | 56 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 16 | 7,573 tok |
| seed-hypermedia/seed seed.hyper.media Desktop+Web app for self-publishing, powered by the open Hypermedia protocol | 56 | Claude Code, Codex, OpenCode | 16 | 1,627 tok |
| GoogleCloudPlatform/evalbench EvalBench is a flexible framework designed to measure the quality of generative AI (GenAI) | 55 | Codex, OpenCode | 1 | 2,556 tok |
| CDCgov/cdc-open-viz CDC OpenViz is a library of React packages for data visualization. | 55 | Codex, OpenCode | 1 | 2,310 tok |
| silo-code/silo getsilo.dev Silo — for developers juggling coding agents across many projects. Every workspace alive a | 55 | Claude Code, Codex, OpenCode | 8 | 4,655 tok |
| ForgeAILab/forge forgeailab.github.io AI coding agent workflow engine for structured task lifecycles. | 55 | Claude Code, Codex, OpenCode | 5 | 2,134 tok |
| augety121/MCP-State-Twin Deterministic, forkable, stateful MCP test worlds for reproducible AI agent evaluation—wit | 54 | Codex, OpenCode | 1 | 148 tok |
| schmitthub/clawker docs.clawker.dev AI coding agent sandbox: run agents locally in isolated Docker containers behind an egress | 53 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 2,970 tok |
| remix-run/remix-website | 53 | Claude Code, Codex, OpenCode | 5 | 1,608 tok |
| objectstack-ai/objectstack objectstack.ai Apps small enough for AI to hold whole. ObjectStack turns the whole app — data model, UI, | 53 | Claude Code, Codex, OpenCode | 10 | 19,853 tok |
| SpringCare/VERA-MH VERA-MH official repository | 52 | Claude Code, Codex, OpenCode | 15 | 2,477 tok |
| BROccoLi-921/AI-testing-evaluation | 52 | Codex, OpenCode | 1 | 3,023 tok |
| andreaswasita/copilot-agents-dojo A behavioral governance framework for GitHub Copilot agents — skills.md and instructions t | 52 | Codex, GitHub Copilot, OpenCode | 41 | 5,305 tok |
| AaronXu-Lab/MasterGo2Figma Move MasterGo's Design to Figma | 52 | Claude Code, Codex, OpenCode | 3 | 4,401 tok |
| Antonytm/mcp-sitecore-server Model Context Protocol server for Sitecore | 52 | Claude Code, Codex, OpenCode | 2 | 3,211 tok |
| uiuing/browser-agent An open-source AI agent for the browser. Bring any model. It plans in the side panel, acts | 51 | Claude Code, Codex, OpenCode | 2 | 1,865 tok |
| yi-john-huang/sdd-mcp | 51 | Claude Code, Codex, OpenCode | 18 | 416 tok |
| rerun-io/examples-monorepo Holds all the more complex examples in a single monorepo | 51 | Claude Code, Codex, OpenCode | 2 | 4,466 tok |
| ai-forever/harness-bench-fast | 51 | Codex, OpenCode | 1 | 800 tok |
| rakovi4/continue-framework | 51 | Claude Code, Codex, OpenCode | 68 | 905 tok |
| edonadei/caliper pypi.org Run your real agent with and without your skills, MCPs, and rules. See which ones actually | 50 | Claude Code, Codex, OpenCode | 2 | 541 tok |
| Unsupervisedcom/deepwork | 50 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 3,177 tok |
| mavka-ai/unit-tests-skills mavka.ai AI agent skills for generating high-quality unit tests — Given-When-Then test cases, JUnit | 50 | Claude Code, Codex, OpenCode | 3 | 1,942 tok |
| agentarea/agentarea agentarea.ai Cloud-native AI Agents orchestration platform for zero-human organizations | 50 | Claude Code, Codex, OpenCode | 5 | 798 tok |
| OWASP/Agent-Security-Regression-Harness owasp.community Executable security regression testing for agentic applications and MCP-integrated systems | 49 | Codex, OpenCode | 1 | 927 tok |
| shinpr/agentic-code Agentic coding framework powered by AGENTS.md: systematic, test-first workflows with quali | 49 | Claude Code, Codex, OpenCode | 9 | 760 tok |
| xi-zhao/OpenQuantum Open-source quantum Agent workspace with a desktop client, Web UI, messaging, Qiskit/MCP t | 49 | Claude Code, Codex, OpenCode | 12 | 3,150 tok |
| a2aproject/a2a-tck | 49 | Claude Code, Codex, OpenCode | 9 | 1,476 tok |
| extracurricular-ai/codex-rewind npmjs.com Unofficial distribution of OpenAI Codex CLI that adds /rewind and /redo — restores your fi | 49 | Codex, OpenCode | 12 | 5,182 tok |
| cdalar/onctl onctl.sh 🤖 manage virtual machines 🖥️ in multi cloud ☁️ | 48 | Claude Code, Codex, OpenCode | 3 | 2,192 tok |
| Atipico1/ai-testing-rules | 48 | Codex, OpenCode | 1 | 1,399 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 | 4,117 tok |
| vikshana/vikshana-graft-app An open source AI Assistant for Grafana | 48 | Claude Code, OpenCode | 3 | 2,986 tok |
| caretive-ai/project-careti careti.ai Careti: Your New AI Patner : Adding Cursor's Flexibility to Cline's Transparency | 47 | Claude Code, Codex, OpenCode | 9 | 4,135 tok |
| aws-samples/sample-agent-skills-for-builders A curated collection of ready-to-use agent skills covering AWS development, security scann | 47 | Claude Code, Codex, OpenCode | 2 | 1,303 tok |
| hiroro-work/claude-plugins | 47 | Claude Code, Codex, Gemini CLI, OpenCode | 21 | 3,296 tok |
| web3insight-ai/web3insight web3insight.ai Discover, analyze, and connect with Web3 developers. Powered by GitHub data and on-chain a | 47 | Claude Code, Codex, OpenCode | 33 | 2,344 tok |
| grafana/oats grafana.com OpenTelemetry Acceptance Tests (OATs), or OATs for short, is a test framework for OpenTele | 47 | Claude Code, Codex, OpenCode | 2 | 901 tok |
| grafana/mcp-k6 k6 MCP server | 47 | Claude Code, Codex, OpenCode | 2 | 2,598 tok |
| Agent-Hellboy/mcp-server-fuzzer A generic mcp server fuzzer | 46 | Claude Code, Codex, OpenCode | 2 | 1,406 tok |
| timothywarner/copilot-dev techtrainertim.com GitHub Copilot for Developers (Live Training Course) | 46 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 8,592 tok |