2,618 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 agents8,369Claude Code6,848Data and AI3,594Git and workflow3,550Backend and APIs3,545Languages3,459Planning3,305Code review2,872DevOps and cloud2,444Writing and docs2,443Memory and context2,373Research2,311
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| assaio/assaio assaio.dev Offline-first Go CLI for engineering teams to observe AI adoption, compare estimated codin | 58 | Claude Code, Codex, OpenCode | 31 | 2,525 tok |
| forcedotcom/SalesforceMobileSDK-Templates | 58 | Claude Code | 5 | 5,739 tok |
| nabinno/dojo This is a repository for immersive learning, meditation or software development. | 58 | Claude Code | 1 | 1,073 tok |
| schmitthub/clawker docs.clawker.dev AI coding agent sandbox platform | 58 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 3,012 tok |
| joshhu/skillopt-qa Minimal faithful re-implementation of Microsoft SkillOpt: a text-space optimizer that trai | 57 | Claude Code | 1 | 1,281 tok |
| uiuing/browser-agent An open-source AI agent for the browser. Bring any model. It plans in the side panel, acts | 56 | Claude Code, Codex, OpenCode | 2 | 1,865 tok |
| OWASP/Agent-Security-Regression-Harness owasp.community Executable security regression testing for agentic applications and MCP-integrated systems | 56 | Codex, OpenCode | 1 | 927 tok |
| a2aproject/a2a-tck | 56 | Claude Code, Codex, OpenCode | 9 | 1,476 tok |
| grafana/mcp-k6 k6 MCP server | 56 | Claude Code, Codex, OpenCode | 2 | 2,598 tok |
| Riley-Coyote/mnemos Living Memory Architecture for Autonomous AI Agents — MCP server with typed connections, b | 56 | Claude Code | 1 | 1,268 tok |
| extracurricular-ai/codex-rewind extracurricular.ai Unofficial distribution of OpenAI Codex CLI that adds /rewind and /redo — restores your fi | 56 | Codex, OpenCode | 12 | 5,153 tok |
| IntelligentElectron/universal-netlist Give AI agents the power to read Cadence, Altium, and KiCad designs | 56 | Claude Code, Codex, OpenCode | 5 | 2,988 tok |
| CDCgov/cdc-open-viz CDC OpenViz is a library of React packages for data visualization. | 55 | Codex, OpenCode | 1 | 2,487 tok |
| PrefectHQ/prefect-mcp-server registry.modelcontextprotocol.io Prefect MCP server | 55 | Claude Code | 2 | 333 tok |
| Innei/Kagura A divine dance of AI in Slack — Kagura runs Claude Agent SDK and OpenAI Codex CLI natively | 55 | Claude Code | 3 | 1,444 tok |
| remix-run/remix-website | 55 | Claude Code, Codex, OpenCode | 5 | 1,945 tok |
| bjwanneng/veriflow-cc VeriFlow-CC: A Claude Code-driven RTL design pipeline. Automates Chip-on-Chat from archite | 55 | Claude Code | 1 | 1,972 tok |
| ai-forever/harness-bench-fast | 55 | Codex, OpenCode | 1 | 1,425 tok |
| vikshana/vikshana-graft-app An open source AI Assistant for Grafana | 55 | Claude Code, OpenCode | 3 | 3,010 tok |
| fishzjp/qa-skills fishzjp.github.io Make AI work like a senior test engineer: a testing engineering Skill framework for AI Age | 55 | Codex, OpenCode | 1 | 1,261 tok |
| Corvidae-Coding-Projects/Thermite Agentic language built on rust | 54 | Claude Code | 9 | — |
| andreaswasita/copilot-agents-dojo A behavioral governance framework for GitHub Copilot agents — skills.md and instructions t | 54 | Codex, GitHub Copilot, OpenCode | 41 | 5,305 tok |
| rakovi4/continue-framework | 54 | Claude Code, Codex, OpenCode | 62 | 872 tok |
| Univers42/hellish in 42 school, we have both project of shell minishell and 42sh, after having so much troub | 54 | Claude Code | 1 | 1,976 tok |
| nerdsane/redis-rust Redis-compatible in-memory data store in Rust. Actor-per-shard architecture, CRDT replicat | 54 | Claude Code | 7 | 5,859 tok |
| bitdriftlabs/blob-stream Blob stream | 54 | Codex, OpenCode | 1 | 893 tok |
| jonathaneoliver/infinite-streaming Docker-based HLS/DASH live-like media server for testing video players under deterministic | 53 | Claude Code | 14 | 4,195 tok |
| aws-samples/sample-agent-skills-for-builders A curated collection of ready-to-use agent skills covering AWS development, security scann | 53 | Claude Code, Codex, OpenCode | 2 | 1,303 tok |
| generative-computing/mellea-skills-compiler generative-computing.github.io Agent specification certification pipeline — from skill specs to governed, certified Melle | 53 | Claude Code | 12 | — |
| kaeawc/auto-mobile kaeawc.github.io Mobile automation suite of tools including an MCP and libraries for test authoring & execu | 53 | Claude Code, Codex, OpenCode | 20 | 11,890 tok |
| benchjack/benchjack AI agent benchmark hackability scanner — find evaluation vulnerabilities before they under | 53 | Claude Code | 2 | 614 tok |
| brandhaug/b2b-saas-starter b2b-saas-starter-web.brandhaug.workers.dev Cloudflare-first B2B SaaS monorepo starter. TanStack Start, Effect v4, Drizzle on D1, Bett | 53 | Claude Code, Codex, OpenCode | 2 | 1,237 tok |
| ncosentino/google-keyword-planner-mcp devleader.ca An MCP server for working with Google Keyword Planner | 53 | GitHub Copilot | 2 | 288 tok |
| rollinsio/beyond-test-coverage Benchmark for the quality of LLM-generated test suites — anti-fragility, rigor, mocking di | 52 | Claude Code | 2 | — |
| chongdashu/browserbase-claude-code-stagehand Reduce errors with test-driven development using Browserbase, Stagehand and Claude Code us | 52 | Claude Code | 5 | 1,015 tok |
| BROccoLi-921/AI-testing-evaluation | 52 | Codex, OpenCode | 1 | 3,023 tok |
| Antonytm/mcp-sitecore-server Model Context Protocol server for Sitecore | 52 | Claude Code, Codex, OpenCode | 2 | 3,211 tok |
| dogganidhal/noddde noddde.dev Functional DDD framework for TypeScript — Decider pattern, Event Sourcing & CQRS out of th | 52 | Claude Code | 13 | 1,890 tok |
| robotlearning123/gpt2agent Your codex login → a full ChatGPT Plus/Pro account (every model, deep research, image gen, | 52 | Claude Code | 1 | 1,033 tok |
| augety121/MCP-State-Twin Deterministic, forkable, stateful MCP test worlds for reproducible AI agent evaluation—wit | 51 | Codex, OpenCode | 1 | 148 tok |
| weny911/AI-coding-almighty From product development to design, as well as front-end and back-end, empowering Agents t | 51 | Claude Code | 35 | — |
| QinxiangCao/QualifiedCProgramming QCP (Qualified C Programming), a C program verification tool | 51 | Claude Code, Codex, OpenCode | 6 | 114 tok |
| Unsupervisedcom/deepwork | 50 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 3,177 tok |
| shinpr/agentic-code Agentic coding framework powered by AGENTS.md: systematic, test-first workflows with quali | 50 | Claude Code, Codex, OpenCode | 9 | 760 tok |
| nerds-odd-e/doughnut Learning aide, note taking, team learning, etc. | 50 | Claude Code, Codex, OpenCode | 47 | 4,405 tok |
| UCSB-NLP-Chang/Skill-Usage | 49 | Claude Code | 5 | — |
| grafana/oats grafana.com OpenTelemetry Acceptance Tests (OATs), or OATs for short, is a test framework for OpenTele | 49 | Claude Code, Codex, OpenCode | 2 | 901 tok |
| eighteendreamer/Ai_Test_Agent eapi.site Yuce Tianjian · AI testing platform: Web version (LLM + browser automation testing, discon | 49 | Claude Code | 1 | — |
| entireio/external-agents ⚙️ This repository contains standalone external agent binaries that extend the Entire CLI | 49 | Claude Code, Codex, OpenCode | 10 | 478 tok |
| ballerina-platform/ballerina-vscode To keep Ballerina VSCode plugin related issues, discussions, etc. | 49 | Claude Code, Codex, OpenCode | 2 | 3,623 tok |