2,311 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 agents7,374Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Research2,292DevOps and cloud2,282Writing and docs2,269
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mag123c/toktrack npmjs.com Ultra-fast token & cost tracker for LLM Token Usage (e.g. Claude Code) | 188 | Claude Code, Codex, OpenCode | 11 | 746 tok |
| StarRocks/mcp-server-starrocks StarRocks MCP (Model Context Protocol) Server | 187 | Claude Code | 1 | 907 tok |
| jeeftor/audiobook-organizer Organize and rename audiobook libraries for Audiobookshelf using metadata.json, EPUB, MP3, | 187 | Codex, OpenCode | 18 | 3,189 tok |
| clojurewasm/ClojureWasm A JVM-free Clojure runtime in Zig — call WebAssembly from Clojure to use libraries written | 186 | Claude Code | 8 | — |
| phil65/agentpool phil65.github.io A unified agent orchestration hub that lets you configure and manage multiple AI agents (n | 185 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,723 tok |
| terryso/claude-code-playwright-mcp-test terryso.github.io A YAML-based Playwright MCP automation testing framework designed for Claude Code | 185 | Claude Code | 6 | 1,719 tok |
| icebear0828/clio A Claude Code clone CLI - agentic coding assistant in your terminal | 183 | Claude Code | 4 | 2,384 tok |
| conorluddy/xclaude-plugin iOS development ClaudeCode plugin for mindful token and context usage. Contains modular MC | 182 | Claude Code | 1 | 1,727 tok |
| rocketship-ai/rocketship docs.rocketship.sh A QA testing framework for your coding agent. | 182 | Claude Code, Codex, OpenCode | 2 | 7,544 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 |
| Mahdi-mortazavi/relay 📱 Share your phone's internet with your PC — Android → Windows reverse tethering over an | 177 | Claude Code | 2 | 694 tok |
| mitchdenny/hex1b hex1b.dev The .NET Terminal Application Stack | 175 | Claude Code, Codex, OpenCode | 10 | 3,232 tok |
| SensorsIot/Embedded-AI-Harness AI Closed-Loop Programming for embedded systems — the AI writes, flashes, and tests firmwa | 173 | Claude Code | 17 | — |
| agiletec-inc/airis-mcp-gateway | 172 | Claude Code | 5 | 388 tok |
| samyama-ai/samyama-graph samyama.dev Graph-vector database that queried 1 billion edges for $2.50. Rust, OpenCypher, vector sea | 171 | Claude Code | 1 | 2,631 tok |
| lfnovo/content-core Extract what matters from any media source | 171 | Claude Code, Codex, OpenCode | 2 | 2,977 tok |
| outlmd/outl outl.app Local-first outliner. Markdown is the source of truth. Sync that doesn't corrupt your tree | 170 | Claude Code, GitHub Copilot | 20 | 22,544 tok |
| dylanroscover/Embody embody.tools MCP server for TouchDesigner — build, wire, and debug networks with AI. Plus git-diffable | 169 | Claude Code, Codex, OpenCode | 28 | 4,720 tok |
| wbern/agent-instructions Claude Instructions Repository | 168 | Claude Code | 34 | 1,813 tok |
| gradusnikov/eclipse-chatgpt-plugin Eclipse IDE as an MCP Server for AI Agents | 167 | Claude Code | 6 | 1,403 tok |
| confluentinc/mcp-confluent | 167 | Claude Code, GitHub Copilot | 7 | 7,021 tok |
| millionco/localterm localterm.dev A terminal in your browser | 166 | Codex, OpenCode | 1 | 773 tok |
| NVIDIA/NeMo-Relay docs.nvidia.com Multi-language agent runtime and library for execution scope management, lifecycle events, | 165 | Claude Code, Codex, OpenCode | 26 | 2,590 tok |
| jmcentire/pact Contracts before code. Tests as law. Agents that can't cheat. | 164 | Claude Code, Codex, OpenCode | 3 | 6,787 tok |
| stacklok/toolhive-studio stacklok.com ToolHive is an application that allows you to install, manage and run MCP servers and conn | 163 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,784 tok |
| eric-tramel/slop-guard eric-tramel.github.io Slop Scoring to Stop Slop | 163 | Claude Code, Codex, OpenCode | 3 | 632 tok |
| workersio/skills workers.io Agent skills to find and fix software bugs | 161 | Claude Code, Codex, OpenCode | 4 | 1,126 tok |
| idavidov13/agentic-playwright Production-grade Playwright + TypeScript Scaffold for Agentic Testing. Harness for all maj | 161 | Claude Code, GitHub Copilot | 20 | 59,016 tok |
| explyt/spring-plugin explyt.ai Spring Explyt — free, open-source (Apache-2.0) Spring & Spring Boot plugin that brings Ult | 160 | Codex, OpenCode | 1 | 1,104 tok |
| dcosson/h2 An agent runner, messaging, and orchestration layer. | 159 | Claude Code, Codex, OpenCode | 2 | 610 tok |
| KbWen/agentic-os Governance framework for AI coding agents. It runs them through a five-step workflow (plan | 159 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 55 | 4,982 tok |
| DanielSuo117/velocitai Next-generation UI automation harness powered by Python & Playwright. Chat with AI Agents | 158 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 1,834 tok |
| SalesforceAIResearch/MCPEval MCP-based Agent Deep Evaluation System | 156 | Claude Code | 1 | 2,310 tok |
| Vortiago/mcp-outline A Model Context Protocol (MCP) server enabling AI assistants to interact with Outline docu | 155 | Claude Code | 4 | 4,623 tok |
| ProfSynapse/nexus | 154 | Claude Code, Codex, OpenCode | 13 | 8,823 tok |
| Open-Document-Alliance/PDF-Tools opendocuments.ai Fill, sign, merge, split, and extract PDFs from Claude Desktop and other MCP hosts. Maint | 153 | Claude Code, Codex, OpenCode | 2 | 10,744 tok |
| andrew-yangy/gru-ai Autonomous AI agent team for one-man companies. Context engineering + harness engineering | 153 | Claude Code | 26 | 1,254 tok |
| SwiftTUI/swift-tui swifttui.sh SwiftUI semantics, drawn in terminal cells — macOS/Linux/Windows/WASI | 153 | Claude Code, Codex, OpenCode | 2 | 2,413 tok |
| ambient-code/agentready ambient-code.github.io Repo Optimizer: Assess git repositories for AI-assisted development readiness. Submit your | 151 | Claude Code, Codex, OpenCode | 18 | 620 tok |
| hwfengcs/DM-Code-Agent Local-first, auditable Python code agent. Ships its own 30-task hidden-test benchmark plus | 151 | Codex, OpenCode | 1 | 1,264 tok |
| OriginProtocol/origin-dollar originprotocol.com OUSD and OETH are stablecoins that passively accrue yield while you are holding it | 151 | Claude Code, Codex, OpenCode | 9 | 6,231 tok |
| Margin-Lab/evals marginlab.ai Fast, robust, configurable agent evals | 149 | Claude Code, Codex | 3 | — |
| st0012/cctop cctop.app A keyboard-first menubar app to monitor and jump between AI coding sessions — minimum setu | 149 | Claude Code, Codex, OpenCode | 10 | 2,147 tok |
| netdevops/hier_config hier-config.readthedocs.io Hierarchical Configuration | 149 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,245 tok |
| osama-raddad/FireCrasher osama-raddad.github.io FireCrasher is a Uncaught Exceptions recovery library for android | 148 | Claude Code, Codex, OpenCode | 6 | 1,875 tok |
| serpro69/claude-toolbox serpro69.github.io Minimal by design, explicitly multi-lang, production-ready and battle-tested collection of | 148 | Claude Code, Codex, OpenCode | 3 | 12,163 tok |
| undeadlist/claude-code-agents Claude Code Agents Prompt templates for Claude Code's subagent system. Run parallel code a | 147 | Claude Code | 1 | 1,462 tok |
| tacticlaunch/mcp-linear MCP server that enables AI assistants to interact with Linear project management system th | 146 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 1,420 tok |
| KryptosAI/mcp-observatory CI-native security testing for MCP servers. Attack simulation, schema drift detection, and | 146 | Codex, OpenCode | 1 | 524 tok |
| calf-ai/calfkit-sdk 🐮 Build distributed, event-driven agents | 146 | Claude Code, Codex | 7 | — |