1,494 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 |
|---|---|---|---|---|
| TrainLCD/StationAPI 🤖 The GraphQL API for nearby Japanese train stations and bus stops, powered by Rust and C | 14 | Claude Code, Codex, OpenCode | 3 | 8,044 tok |
| fruggr/zendesk-mcp-server fruggr.io Bring Zendesk deep into your AI assistant: find answers and draft, update and translate He | 14 | Claude Code, Codex, OpenCode | 10 | 4,392 tok |
| NaanyaBiz/haggle AGL Australia smart meter -> Home Assistant Energy dashboard (Claude-generated custom inte | 14 | Claude Code, Codex, OpenCode | 16 | 31,949 tok |
| adrienm7/ergopti ergopti.fr Disposition clavier ergonomique Ergopti, optimisée pour l’écriture du français, de l’angla | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 24 | 949 tok |
| sintaxasn/Fluence.Wpf Fluence.Wpf is a modern theming and control library based on WinUI 3, but for WPF on .NET | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,807 tok |
| isndev/qb-linq Lazy Enumerable-style LINQ pipelines for C++17: where, select, order_by, group_by, joins, | 13 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 1,389 tok |
| liatrio-labs/claude-code-gauntlet Adversarial code review for Claude Code: each GitHub PR or GitLab MR runs a gauntlet of up | 13 | Claude Code, Codex, OpenCode | 3 | 689 tok |
| ferrislucas/Circus-Chief npmjs.com Open-source meta-harness for Claude Code, OpenAI Codex, and Gemini CLI coding agents | 13 | Claude Code, Codex, OpenCode | 5 | 2,282 tok |
| Mattbusel/Reddit-Options-Trader-ROT- web-production-71423.up.railway.app A modular research pipeline that turns trending Reddit discussions into structured market | 13 | Claude Code, Codex, OpenCode | 2 | 7,575 tok |
| Sowiedu/Edict A programming language designed for AI agents. No parser, no syntax — agents produce AST d | 13 | Claude Code, Codex, OpenCode | 5 | 1,175 tok |
| schemacrawler/SchemaCrawler-AI Free database schema discovery and comprehension tool | 13 | Codex, GitHub Copilot, OpenCode | 2 | 1,309 tok |
| agno-agi/context agno.com A self-hosted context manager. @context organizes your work into a private CRM and knowled | 13 | Claude Code, Codex, OpenCode | 7 | 10,801 tok |
| xcrft/mastermind Local-first repository context for coding agents: codegraph, cited project knowledge, chan | 13 | Codex, OpenCode | 1 | 282 tok |
| beerandcodeteam/worthly-api | 13 | Claude Code, Codex, Gemini CLI, OpenCode | 14 | 10,763 tok |
| s2-streamstore/tailsurf tail.surf Streaming gists for live work, build output, and agent conversations. | 13 | Codex, OpenCode | 1 | 161 tok |
| srpadrono/Pathfinder AI-agent skill that maps user journeys, visualizes test coverage with Mermaid diagrams, an | 13 | Codex, OpenCode | 1 | 811 tok |
| cuevaio/normal normal.fast Cool WhatsApp MCP | 13 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,842 tok |
| Mallikarjun-Roddannavar/playwright-agentic-automation Playwright + TypeScript agentic automation framework with a local LLM Wiki/codebase second | 13 | Codex, OpenCode | 1 | 1,065 tok |
| LBurny/symkit-mcp It is an MCP server that lets AI agents perform step-by-step symbolic derivations: calcula | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,916 tok |
| strelov1/spec-driven-tdd Multi-harness skill-pack fusing OpenSpec planning with Superpowers TDD/simplify/review int | 13 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 363 tok |
| dangindev/antigravity-awesome-workspace-skill | 13 | Claude Code, Codex, Kiro, OpenCode | 66 | 387 tok |
| cfpperche/picode PiCode — browser-based Agent Development Environment (ADE) for coding-agent CLIs: Pi, Clau | 13 | Claude Code, Codex, OpenCode | 6 | 3,391 tok |
| cypress-io/cypress-design design.cypress.io Components to build UI with the Cypress Brand | 13 | Claude Code, Codex, OpenCode | 9 | 2,337 tok |
| openshift/external-secrets-operator External-Secrets Operator for deploying and managing external-secrets. | 13 | Claude Code, Codex, OpenCode | 5 | 3,472 tok |
| specmatic/specmatic-mcp-server A Model Context Protocol (MCP) server that exposes Specmatic's contract testing capabiliti | 12 | Claude Code, Codex, OpenCode | 4 | 3,625 tok |
| KyaniteHQ/linctl A Go CLI for Linear with target-pinned guarded writes: every write re-resolves the active | 12 | Claude Code, Codex, OpenCode | 4 | 465 tok |
| ianphil/chamber chmbr.dev Genesis Mind Interface — desktop chat UI for Genesis agents | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 4,696 tok |
| standardbeagle/mcp-tui standardbeagle.github.io Fast terminal UI and CLI for testing, debugging, and automating Model Context Protocol (MC | 12 | Claude Code, Codex, OpenCode | 5 | 3,853 tok |
| mingtheanlay/charon Stop manually editing config files every time you test a different API key or endpoint. Sa | 12 | Codex, OpenCode | 1 | 1,393 tok |
| chirino/memory-service chirino.github.io A persistent memory service for AI agents that stores and manages conversation history, en | 12 | Claude Code, Codex, OpenCode | 12 | 916 tok |
| SeequentEvo/evo-data-converters Convert data between geoscience formats and Evo geoscience objects to improve interoperabi | 12 | Claude Code, Codex, OpenCode | 6 | 1,646 tok |
| kstep-dev/kstep kstep-dev.github.io kSTEP: Kernel Scheduler Test and Evaluation Platform | 12 | Codex, OpenCode | 1 | 798 tok |
| sumx21t-3310/FloatSoda Flutter-like declarative UI framework for SteamVR overlays in C#/.NET. SkiaSharp rendering | 12 | Claude Code, Codex, OpenCode | 10 | 4,870 tok |
| sacloud/sakumock Mock suite for Sakura Cloud APIs | 12 | Codex, OpenCode | 1 | 4,515 tok |
| Darkzarich/Smiler Smiler is my own MEVN (MongoDB, Express, Vue.js, Node.js) site similar to reddit.com or 9g | 12 | Codex, OpenCode | 1 | 5,890 tok |
| YetheSamartaka-Foxy/Foxy Foxy | 12 | Claude Code, Codex, OpenCode | 4 | 5,147 tok |
| dynobox/dynobox dynobox.xyz Cross-harness testing framework for agent skills and workflows | 12 | Claude Code, Codex, OpenCode | 2 | 333 tok |
| adityasasidhar/browsercontrol adityasasidhar.github.io a vision first broswer tool | 12 | Claude Code, Codex, OpenCode | 2 | 2,204 tok |
| xiankq/cesium-mvt xiankq.github.io Experimental high-performance MVT renderer for Cesium 1.140.0 (Buffer*Collection + MapLibr | 12 | Codex, OpenCode | 1 | 685 tok |
| ForumHFR/redface2 forumhfr.github.io Redface 2 — client Android moderne pour le forum Hardware.fr (Kotlin, Jetpack Compose, Mat | 12 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 18 | 5,931 tok |
| ariadoss/superskills hyperion360.com Curated AI skills pack for Claude Code, Codex, Cursor, OpenCode, etc. TDD, debugging, secu | 12 | Claude Code, Codex, OpenCode | 2 | 3,781 tok |
| stevenn/ctxlayer Context-sharing MCP Gateway on Cloudflare | 12 | Claude Code, Codex, OpenCode | 8 | 6,843 tok |
| tghastings/open-swe-book Free Software Engineering Book providing principles and best practices of SWE in a world o | 12 | Claude Code, Codex, OpenCode | 2 | 2,244 tok |
| Pablo-gitub/optees optees.it Optees is an open-source desktop toolkit for optimization: LP (SciPy/HiGHS), MILP (OR-Tool | 12 | Claude Code, Codex, OpenCode | 2 | 1,276 tok |
| ironarachne/ironarachne ironarachne.com The Iron Arachne website | 12 | Claude Code, Codex, OpenCode | 7 | 4,471 tok |
| khw1031/glowed Ghostty-oriented terminal TUI Markdown browser/editor | 12 | Claude Code, Codex, OpenCode | 3 | 1,711 tok |
| mohankrishnaalavala/context-router pypi.org Memory-aware context engine for AI coding agents — up to 91% fewer tokens, 17/18 rank-1 ac | 11 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 7 | 2,235 tok |
| adamw7/tools Claude Code enforcer and adopter, context engineering, data oriented tools, compile time s | 11 | Claude Code, Codex, OpenCode | 22 | 31,378 tok |
| yaniv-golan/mcp-bash-framework Portable Bash-only framework for building stdio Model Context Protocol (MCP) servers with | 11 | Claude Code, Codex, OpenCode | 2 | 1,603 tok |
| standardapplied/sail standardapplied.com Isolated development environments for AI agents | 11 | Codex, OpenCode | 1 | 1,836 tok |