Testing

1,598 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

ProjectStarsConfiguresFilesAlways loaded
MUDdown/MUDdown muddown.com MUDdown — A modern MUD platform using Markdown as the universal game markup language 2 Claude Code, Codex, OpenCode 21 3,756 tok
frontendmentorio/newsletter-sign-up-with-success-message frontendmentor.io This will test your skills with basic form structure, validation, and submission. The succ 2 Claude Code, Codex, OpenCode 2 2,238 tok
j-jayes/agents-md 2 Claude Code, Codex, OpenCode 9 1,721 tok
LIghtJUNction/AGENTS.md The prompt with the best effect was identified through experimental testing. 2 Codex, OpenCode 1 15 tok
pure-golang/level85 Shared agent skills, Taskfile, linter config, and Claude Code conventions for a pure-golan 2 Claude Code, Codex, OpenCode 38 2,341 tok
8Dionysus/aoa-evals Portable evaluation bundles for agents and agent-shaped workflows: bounded, reproducible, 2 Codex, OpenCode 1 1,124 tok
Dimkox/adaptive-grok-build-pro Adaptive Grok Build Pro — enterprise-style adaptive workflow for Grok Build 2 Claude Code, Codex, OpenCode 38 5,367 tok
theogravity/bun-elysiajs-starter-turbo-monorepo A starter monorepo for building APIs with Bun, ElysiaJS, Kysely, and Turborepo — includes 2 Claude Code, Codex, OpenCode 3 4,547 tok
drmikecrowe/git-worktree-organize Convert any git repository into the canonical bare-hub worktree layout, so every branch li 2 Claude Code, Codex, OpenCode 48 1,902 tok
luoli523/harness-project-template 2 Claude Code, Codex, OpenCode 13 1,737 tok
careerchain-ys/stdd STDD (Spec and Test Driven Development) methodology, skills, and templates for Claude Code 2 Claude Code, Codex, OpenCode 3 2,708 tok
Prism-Shadow/swe-bench-essential prism-shadow.github.io 2 Claude Code, Codex, OpenCode 2 1,969 tok
adobe/aem-desktop 2 Claude Code, Codex, OpenCode 2 3,985 tok
msw2004727/FC toosterx.com 2 Claude Code, Codex, Gemini CLI, OpenCode 17 10,189 tok
Adios94/megabonk-game MegaBonk 3D Roguelike Survivor - Three.js game (playable in browser) 2 Claude Code, Codex, Cursor, OpenCode 7 1,464 tok
MeenakshiSundaram-MS/prove-it 2 Claude Code, Codex, GitHub Copilot, OpenCode 2 4,075 tok
Xclaw-bot/benchmark-task-authoring Claude Code skill: measured laws for authoring hard Terminal-Bench 2 / Harbor benchmark ta 2 Claude Code, Codex, OpenCode 1 6,621 tok
divo12/UVVR 2 Claude Code, Codex, OpenCode 2 1,722 tok
rtorcato/repo-tooling docs.torcato.dev Stop configuring tools. One CLI to scaffold, audit, and fix a repo's toolchain — linting, 2 Claude Code, Codex, OpenCode 2 2,791 tok
Sumatoshi-tech/prompts Prompts which we use in day-to-day coding 2 Codex, OpenCode 1 2,852 tok
deggertsen/bondfires Video sharing social app - React Native + Expo + Convex + Tamagui 2 Claude Code, Codex, OpenCode 2 1,116 tok
SilenceInsect/AIDocxWorkFlow 2 Claude Code, Codex, Cursor, OpenCode 21 1,861 tok
Phani3108/Cortex cortex1.vercel.app One config. Every AI coding tool. Zero drift. Cortex is a universal context engine that c 2 Claude Code, Codex, OpenCode 2 879 tok
deancourse/openspec-agent-skills-practice A repo for practicing full-stack project generation with OpenSpec 2 Claude Code, Codex 3 —
agoda-com/agent-catalog-eval CLI to test skills and prompts 2 Codex, OpenCode 1 1,722 tok
Tano73/agent-skills 2 Claude Code, Codex, OpenCode 2 1,700 tok
hamzaMissewi/agent-skills 2 Claude Code, Codex, Gemini CLI, OpenCode 11 1,942 tok
jkrumm/hermes-agent Hermes Agent setup — config, skills, patches, cron (Mac Mini-only) 2 Claude Code, Codex, OpenCode 3 12,127 tok
vivalalova/claude-plugins-manager marketplace.visualstudio.com 2 Claude Code, Codex, OpenCode 3 2,013 tok
Simon-Hwang/gg-plugins a minimal version made from everything-claude-code for go/python project 2 Claude Code, Codex, OpenCode 4 790 tok
shuji-bonji/houki-nta-mcp npmjs.com An MCP server for retrieving National Tax Agency (NTA) notifications, Q&A examples, and ta 2 Codex, OpenCode 1 2,422 tok
shuji-bonji/houki-egov-mcp npmjs.com An MCP server for using Japanese laws and regulations (e-Gov Law Search / Law API v2) from 2 Codex, OpenCode 1 2,617 tok
Huleinpylo/kali-agents-mcp 2 Claude Code, Codex, OpenCode 9 3,290 tok
cyanheads/stackexchange-mcp-server npmjs.com Search Stack Exchange questions, fetch complete Q&A threads as clean markdown, browse tag 2 Claude Code, Codex, OpenCode 2 15,818 tok
indrasvat/shux shux.pages.dev A modern take on tmux 2 Claude Code, Codex, OpenCode 11 5,585 tok
andnp/ragdocs-mcp 2 Claude Code, Codex, GitHub Copilot, OpenCode 4 3,711 tok
Pr0j3c7t0dd-Ltd/cut-copy-paste-mcp 2 Claude Code, Codex, OpenCode 2 2,234 tok
aself101/mcp-secure-server A universal security-by-default framework for Model Context Protocol (MCP) servers that pr 2 Claude Code, Codex, OpenCode 2 1,858 tok
attenlabs/hotato hotato.dev Find what broke in your agent calls. Pin it so it never ships again. Local voice-agent cal 2 Codex, OpenCode 1 2,697 tok
hs737/mcp-server-for-ynab pypi.org An AI-first MCP server for YNAB. Read-only by default, with reversible writes and verifica 2 Claude Code, Codex, OpenCode 13 3,660 tok
lbk-open/super-spec npmjs.com Agent Skills that take a requirement — or a production alert — to a reviewed pull request: 2 Claude Code, Codex, OpenCode 2 813 tok
sebin-gg/zlog agentskills.io Session-log compressor & storage optimizer for Claude Code, Cursor, Codex, Gemini, Windsur 2 Codex, OpenCode 1 689 tok
sandraschi/openbci-mcp OpenBCI EEG MCP server (BrainFlow + SOTA webapp) 2 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 6 781 tok
piyushptiwari1/mcpkernel pypi.org The Security Kernel for AI Agents — MCP/A2A gateway with policy enforcement, taint trackin 2 Claude Code, Codex, GitHub Copilot 8 2,161 tok
snow-wind-001/CodeRecoder CodeRecoder: MCP for recode the Code 2 Claude Code, Codex, OpenCode 2 1,280 tok
tszaks/imessage-mcp MCP server that lets AI agents read, search and send iMessages and SMS on macOS, with phot 2 Codex, OpenCode 1 544 tok
MT-gar/Nexus Multi-Agent Coordination System — Enables multiple Claude Code sessions to collaborate lik 2 Claude Code, Codex 9 1,792 tok
sla1k/smart-gym-mcp MCP server connecting AI assistants to SmartGym — manage workouts and training programs wi 2 Claude Code, Codex, OpenCode 3 848 tok
Parra-Inc/feedback-mcp Free, open-source, self-hosted feedback collection with a built-in MCP server. One endpoin 2 Claude Code, Codex, OpenCode 2 159 tok
jordi-murgo/cliptunnel-mcp Operate a locked-down remote machine through its clipboard — MCP server tunneled over clip 2 Claude Code, Codex 2 —