345 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 |
|---|---|---|---|---|
| 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 |
| jamaljsr/polar lightningpolar.com One-click Bitcoin Lightning networks for local app development & testing | 861 | Claude Code, GitHub Copilot | 2 | 3,710 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 |
| stlab/stlab stlab.cc ASL libraries will be migrated here in the stlab namespace, new libraries will be created | 682 | Claude Code, GitHub Copilot | 2 | 4,052 tok |
| LedgerHQ/ledger-live Mono-repository for Ledger Wallet apps and related packages | 624 | Claude Code, Codex, GitHub Copilot, OpenCode | 75 | 857 tok |
| ROCm/aiter rocm.github.io AI Tensor Engine for ROCm | 598 | Claude Code, GitHub Copilot | 10 | 5,565 tok |
| Azure/azure-dev aka.ms A developer CLI for working with Azure resources to build and deploy AI applications. Comm | 570 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 1,982 tok |
| johnpapa/vscode-angular-snippets Angular Snippets for VS Code | 566 | Codex, GitHub Copilot, OpenCode | 2 | 2,225 tok |
| clawdotnet/openclaw.net agentqi.dev Self-hosted Enterprise and Personal AI + agent runtime in .NET (NativeAOT-friendly) | 528 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 920 tok |
| nudgebee/nudgebee nudgebee.com Open-source agentic ops platform for cloud, SRE, DevOps, support and FinOps teams. AI agen | 521 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 30 | 5,605 tok |
| comma-csv/comma Comma is a small CSV (ie. comma separated values) generation extension for Ruby objects, t | 521 | GitHub Copilot | 1 | 797 tok |
| IvanWng97/pixtuoid pixtuoid.dev Terminal pixel-art office for AI coding agents | 491 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,804 tok |
| AvdLee/Swift-Testing-Agent-Skill An agent skill focused entirely on Swift Testing, helping you write better tests, migrate | 476 | GitHub Copilot | 1 | 1,068 tok |
| potatoqualitee/kbupdate 🛡 KB Viewer, Saver, Installer and Uninstaller | 393 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 1,046 tok |
| mrwogu/promptscript getpromptscript.dev Prompt-as-Code for Enterprise AI. Standardize, audit, and deploy instructions across any A | 378 | Claude Code, Codex, GitHub Copilot, OpenCode | 28 | 7,750 tok |
| fizzbee-io/fizzbee fizzbee.io Easiest-ever formal methods language! Designed for developers crafting distributed systems | 366 | Claude Code, GitHub Copilot | 7 | 5,657 tok |
| responsibleai/ASSERT responsibleai.github.io Requirement-driven evaluation harness for AI agents and LLM applications. Generate behavio | 354 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 6 | 6,087 tok |
| shenjingnan/xiaozhi-client xiaozhi-client.shenjingnan.com Xiaozhi AI client, currently mainly used for MCP integration | 345 | Claude Code, Codex, GitHub Copilot, OpenCode | 32 | 7,158 tok |
| DitriXNew/EDT-MCP MCP for 1C:EDT | 320 | Claude Code, GitHub Copilot | 15 | 3,654 tok |
| bikeindex/bike_index bikeindex.org All the code for Bike Index, because we love you | 308 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 5,493 tok |
| SAP/fundamental-ngx sap.github.io Fundamental Library for Angular is SAP Design System Angular component library | 296 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 24 | 6,767 tok |
| hoanganh8389/bizcity-twin-ai All Channel One Brain - CRM with one Brain | 294 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 40,498 tok |
| public-ui/kolibri public-ui.github.io The accessible HTML-Standard | 288 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 12,469 tok |
| joshuadavidthomas/opencode-agent-skills An OpenCode plugin that provides tools for using agent skills | 287 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 2,123 tok |
| DIGI-UW/OpenELIS-Global-2 openelis-global.org OpenELIS Global — open-source Laboratory Information System (LIS/LIMS) for clinical and pu | 278 | Claude Code, Codex, GitHub Copilot, OpenCode | 31 | 26,749 tok |
| storybookjs/mcp storybook-evals.vercel.app 🤖 | 271 | GitHub Copilot | 4 | 17,082 tok |
| Azure/kimojio-rs A thread-per-core Linux io_uring async runtime for Rust optimized for latency. | 270 | Claude Code, Codex, GitHub Copilot | 2 | 225 tok |
| mariuz/flamerobin flamerobin.org FlameRobin is a database administration tool for Firebird RDBMS. Our goal is to build a to | 265 | Claude Code, Codex, GitHub Copilot | 2 | 1,376 tok |
| axa-group/oauth2-mock-server npmjs.com A development and test oriented OAuth2 mock server | 260 | Codex, GitHub Copilot, OpenCode | 2 | 2,265 tok |
| idavidov13/agentic-playwright Production-grade Playwright + TypeScript Scaffold for Agentic Testing. Harness for all maj | 247 | Claude Code, GitHub Copilot | 20 | 59,052 tok |
| KbWen/agentic-os kbwen.com Governance framework for AI coding agents. It runs them through a five-step workflow (plan | 223 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 55 | 5,165 tok |
| outlmd/outl outl.app Local-first outliner. Markdown is the source of truth. Sync that doesn't corrupt your tree | 222 | Claude Code, GitHub Copilot | 24 | 31,462 tok |
| phil65/agentpool phil65.github.io A unified agent orchestration hub that lets you configure and manage multiple AI agents (n | 199 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,723 tok |
| rcarmo/vibes rcarmo.github.io A simple mobile-focused chat app to talk to an agent via the ACP protocol | 192 | Codex, GitHub Copilot, OpenCode | 2 | 774 tok |
| mehrandvd/skunit skUnit is a testing tool for AI units, such as IChatClient, MCP Servers and agents. | 181 | GitHub Copilot | 1 | 2,101 tok |
| stacklok/toolhive-studio stacklok.com ToolHive is an application that allows you to install, manage and run MCP servers and conn | 172 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,784 tok |
| confluentinc/mcp-confluent | 168 | Claude Code, GitHub Copilot | 7 | 7,021 tok |
| dynamics365ninja/d365fo-mcp-server Exposes MCP tools that prove every method, field, label and form pattern against your real | 165 | Claude Code, GitHub Copilot | 7 | 2,357 tok |
| oaslananka/kicad-mcp-pro oaslananka.github.io MCP server for KiCad, connecting AI agents to schematic and PCB workflows, ERC/DRC validat | 160 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 822 tok |
| wvlet/wvlet wvlet.org Wvlet: a flow-style query language that compiles to SQL for DuckDB, Trino, Snowflake, and | 158 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 9,031 tok |
| AgentEvalHQ/AgentEval agenteval.dev AgentEval is the comprehensive .NET toolkit for AI agent evaluation—tool usage validation, | 157 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 24,461 tok |
| FangYuan33/easy-code-reader pypi.org A powerful MCP server for intelligently reading Jar source code. | 154 | Codex, GitHub Copilot, OpenCode | 3 | 1,447 tok |
| netdevops/hier_config hier-config.readthedocs.io Hierarchical Configuration | 152 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,251 tok |
| tacticlaunch/mcp-linear MCP server that enables AI assistants to interact with Linear project management system th | 148 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 1,420 tok |
| jamesmontemagno/ohmyposh-configurator configurator.ohmyposh.dev Design beautiful terminal prompts without touching configuration files | 140 | Claude Code, Codex, GitHub Copilot | 5 | 1,937 tok |
| microsoft/eval-guide A plugin for AI agent evaluation. Plan evals, generate test cases, interpret results for C | 139 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,504 tok |
| NikiforovAll/github-copilot-rules nikiforovall.blog A collection of GitHub Copilot AI customizations and Best Practices | 135 | GitHub Copilot | 4 | 7,204 tok |
| traefikturkey/onramp Traefik with all the stuffing. Onramp is a docker compose setup designed to allow users to | 123 | Claude Code, GitHub Copilot | 13 | 4,277 tok |
| rajbos/ai-engineering-fluency marketplace.visualstudio.com Extension that shows information about the estimated token usage and more of AI in editors | 121 | Claude Code, Codex, GitHub Copilot, OpenCode | 47 | 19,124 tok |
| celeritas-project/celeritas celeritas-project.github.io Celeritas is a new Monte Carlo transport code designed to accelerate scientific discovery | 105 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,010 tok |