43,579 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,541Claude Code6,614Data and AI3,687Backend and APIs3,492Languages3,397Planning3,211Git and workflow3,159Code review2,735Memory and context2,362Testing2,357DevOps and cloud2,306Writing and docs2,299Research2,296Frontend2,252Security2,009Productivity1,710
All Claude Code32,137 Codex23,307 OpenCode22,079 GitHub Copilot3,547 Gemini CLI1,916 Cursor1,738 Windsurf121 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Verified-zkEVM/clean clean.zksecurity.xyz Lean circuit DSL | 184 | Claude Code, Codex, OpenCode | 2 | 3,450 tok |
| jacob-bd/perplexity-web-mcp MCP server and Anthropic API-compatible interface for Perplexity AI web interface | 184 | Claude Code, Codex, OpenCode | 2 | 1,831 tok |
| RobThePCGuy/Claude-Patent-Creator USPTO patent creation system with MCP server + Claude Code plugin. Hybrid RAG search over | 184 | Claude Code | 1 | 5,011 tok |
| JoelLewis/finance_skills Claude Code skill plugins for financial services — 81 skills across 7 domain plugins cover | 184 | Claude Code | 1 | 984 tok |
| mverab/eGEOagents egeoagents.com Open-source Generative Engine Optimization (GEO) & Answer Engine Optimization (AEO) toolki | 184 | Claude Code, Codex, OpenCode | 2 | 1,062 tok |
| runablehq/mini-browser An agent first browser cli | 184 | Codex, OpenCode | 1 | 75 tok |
| bobbylight/AutoComplete A code completion library for Swing text components, with special support for RSyntaxTextA | 184 | Claude Code | 1 | — |
| liuxiaopai-ai/ralph-desktop x.com Ralph Desktop - Start vague. Ralph Loop until perfect. A visual controller for AI coding | 183 | Codex, OpenCode | 1 | 629 tok |
| bgpkit/monocle 🧐 See through all BGP data with a monocle. | 183 | Codex, OpenCode | 1 | 1,548 tok |
| qwertie/ecsharp ecsharp.net Home of LoycCore, the LES language of Loyc trees, the Enhanced C# parser, the LeMP macro p | 183 | Claude Code, Codex, OpenCode | 2 | 491 tok |
| BetterForAll/self-improving-agents Self-Improving Agents -- A Progression Four levels of self-improving code agents, from the | 183 | Claude Code | 1 | 1,702 tok |
| jtgsystems/Custom-Modes-Roo-Code jtgsystems.com 🚀 Custom modes for Roo Code VS Code extension - Enhanced AI coding assistance configurati | 183 | Claude Code, Codex, OpenCode | 2 | 8,075 tok |
| postrv/narsil-mcp narsilmcp.com Rust MCP server for comprehensive code intelligence - 90 tools, 32 languages, security sca | 183 | Claude Code | 8 | — |
| flamingoTOM/Auto-CV A Chinese resume template based on LaTeX, paired with Claude Code's /Auto-CV Agent Skill. | 183 | Claude Code | 2 | — |
| ItsWendell/palot Just another desktop client for OpenCode 2. Manage projects, sessions, parallel agents, re | 183 | Claude Code, Codex, OpenCode | 11 | 122 tok |
| addyosmani/factory A reference software factory for Claude Code and Codex | 183 | Claude Code, Codex, OpenCode | 2 | 532 tok |
| zampierilucas/kindle-hid-passthrough Userspace Bluetooth HID host for Kindle with UHID passthrough | 183 | Claude Code | 1 | 697 tok |
| sortie-ai/sortie sortie-ai.com Turn tracker tickets into autonomous agent sessions | 183 | Claude Code, Codex, GitHub Copilot | 3 | 2,004 tok |
| microsoft/multi-agent-marketplace microsoft.github.io Magentic-Marketplace: Simulate Agentic Markets and See How They Evolve | 183 | GitHub Copilot | 1 | 382 tok |
| icebear0828/clio A Claude Code clone CLI - agentic coding assistant in your terminal | 182 | Claude Code | 4 | 2,384 tok |
| mattgierhart/PRD-driven-context-engineering gearheartai.org PRD-Led Context Engineering — Memory as Infrastructure. An ontology layer for product team | 182 | Claude Code | 9 | 670 tok |
| MLT-OSS/FirstData firstdata.deepminer.com.cn The World's Most Comprehensive, Authoritative, and Structured Open Source Data Source Know | 182 | Claude Code, Codex, OpenCode | 2 | 3,628 tok |
| wenqingyu/ralphy-openspec Ralph loop + OpenSpec integration for Cursor, OpenCode and ClaudeCode heavy lifting. | 182 | Claude Code, Codex, OpenCode | 5 | 483 tok |
| runpod/flash Application framework for Multimodal Distributed inference & Orchestration. | 182 | Claude Code | 3 | 2,865 tok |
| IAGA-TEAM/IAGA-Sentinel iaga.tech IAGA Sentinel sits next to your AI agents and answers the one question the agent itself ca | 182 | Codex, OpenCode | 1 | 19,946 tok |
| liruifengv/amon-agent Amon - Your AI coworker running on your desktop | 182 | Claude Code, Codex, OpenCode | 2 | 2,619 tok |
| Rasukarusan/shellnium shellnium-site.vercel.app :dizzy: Selenium Webdriver for Bash (or Zsh). | 182 | Claude Code | 2 | 642 tok |
| tallesborges/agentic-system-prompts A curated collection of system prompts and tool definitions from production AI coding agen | 182 | Claude Code | 1 | 2,296 tok |
| johnpapa/vscode-winteriscoming marketplace.visualstudio.com Dark theme with fun and bright foreground colors | 182 | Codex, GitHub Copilot, OpenCode | 2 | 2,085 tok |
| delbaoliveira/learn-claude-code | 182 | Claude Code | 4 | 999 tok |
| Siigari/claude-heartbeat Keep Claude Code alive and autonomous without -p. Heartbeat hook + inbox/outbox pattern. | 182 | Claude Code | 3 | 137 tok |
| Dicklesworthstone/markdown_web_browser Renders any URL via headless Chrome, tiles screenshots into OCR slices, and streams struct | 182 | Codex, OpenCode | 1 | 10,994 tok |
| SawyerHood/middleman middleman.tools The middle manager for your agents | 182 | Codex, OpenCode | 1 | 1,158 tok |
| mongodb/agent-skills Use the official MongoDB Skills with your favorite coding agent to build faster. | 182 | Gemini CLI | 1 | 229 tok |
| sanity-io/agent-toolkit sanity.io Collection of resources to help AI agents build better with Sanity. | 182 | Codex, OpenCode | 1 | 2,500 tok |
| boostvolt/claude-code-lsps LSP plugins for Claude Code — Bash/Shell, C/C++/Objective-C, C#, Clojure, Dart/Flutter, El | 182 | Claude Code | 1 | 541 tok |
| yusong652/itasca-mcp pypi.org MCP server connecting AI agents to ITASCA engines (PFC, FLAC, 3DEC, MPoint, MassFlow) — ru | 182 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,770 tok |
| alibaba/loongsuite-pilot Local-first telemetry collector for AI coding agents — unified OpenTelemetry events for Cl | 182 | Claude Code, Codex, OpenCode | 2 | 4,515 tok |
| rocketship-ai/rocketship docs.rocketship.sh A QA testing framework for your coding agent. | 182 | Claude Code, Codex, OpenCode | 2 | 7,544 tok |
| lyxhnu/langchain-miniopenclaw | 181 | Codex, OpenCode | 1 | 1 tok |
| conorluddy/xclaude-plugin iOS development ClaudeCode plugin for mindful token and context usage. Contains modular MC | 181 | Claude Code | 1 | 1,727 tok |
| zerowand01/markplane AI-native, markdown-first project management. Your repo is the project manager. | 181 | Claude Code | 2 | 826 tok |
| tjakoen/bread tjakoen.github.io BREAD: one vocabulary, two operators. A no-build, AI-native web stack: batch (substrate) · | 181 | Claude Code, Codex, OpenCode | 2 | 2,346 tok |
| keypo-us/keypo-cli Local-first, hardware-bound key management and encrypted secrets for AI agents. | 181 | Claude Code | 2 | 1,318 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 |
| celesteanders/harness Harness engineering best practices | 181 | Claude Code | 1 | — |
| viemccoy/excalibur Excalibur is a highly opinionated agent harness for the aspiring summoner. | 181 | Codex, OpenCode | 1 | 1,689 tok |
| YougLin-dev/Aha-Loop [MVP] Aha Loop is a fully autonomous AI development system, extended from the core ideas o | 181 | Claude Code, Codex, OpenCode | 17 | 5,776 tok |
| cortex-tms/cortex-tms cortex-tms.org The Universal AI-Optimized Project Boilerplate. A Tiered Memory System (TMS) designed to m | 181 | Claude Code, GitHub Copilot | 2 | 3,532 tok |
| stippi/code-assistant An LLM-powered, autonomous coding assistant. Also offers an MCP and ACP mode. | 181 | Codex, OpenCode | 1 | 1,467 tok |