2,016 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| zhpeng24/devkit Developer toolkit — cross-platform coding skills for AI agents | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 503 tok |
| suyancc/gpt-upi-tool | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 16 | 5,357 tok |
| dradoaica/cogov-a-sdlc Co-Governed Agentic SDLC (Software Development Life Cycle) | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode, Windsurf | 13 | 368 tok |
| tjmustard/Hypergraph-Coding-Agent-Framework A rigorous, Spec-First framework for autonomous software engineering. Solves the Specifica | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 75 | 5,009 tok |
| serenashenn3-art/wechat-forensic-pro wechat-forensic-pro | 3 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 13,264 tok |
| xrcodexcode/xr_node Personal wiki | 3 | Claude Code, Codex, Gemini CLI | 5 | 6,109 tok |
| omtodkar/librarian AI coding assistant skill for 7 platforms. Turn your project into a searchable knowledge b | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,194 tok |
| nassimna/karpathy-guidelines Cross-agent Karpathy-inspired behavioral guidelines for Claude Code, Codex, Cursor, and Ge | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,564 tok |
| impactbrussels/FounderOS impact.brussels The open operating system for first-time founders. Proof before hype. 22 AI skills across | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,085 tok |
| Enovatr-Labs/SpecRoute Open source framework for spec-driven agentic software engineering. PRDs, prompts, agents, | 3 | Claude Code, Codex, Gemini CLI, Kiro, OpenCode | 10 | 3,768 tok |
| tingyiy/atlassian-mcp-server An open-source Model Context Protocol (MCP) server for Atlassian Jira and Confluence Cloud | 3 | Claude Code, Gemini CLI | 2 | 2,292 tok |
| afaizalam2003/Master-claude-skill A comprehensive open-source collection of 220+ production-ready skills, agent plugins, and | 3 | Gemini CLI | 187 | — |
| SachieWang/java-jdtls-mcp-server MCP Server for Java using JDT.LS | 3 | Gemini CLI | 1 | 542 tok |
| dirien/pulumi-events MCP server for managing events on Meetup.com via AI assistants | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,549 tok |
| ilyautov/moysklad-mcp-ru moysklad-mcp-ru.aifrontier.tech MCP server for MoySklad (JSON API 1.2): inventory, products, orders, documents, reports, a | 3 | Codex, Gemini CLI, OpenCode | 2 | 1,231 tok |
| dinglebear-ai/rytdl npmjs.com Rust MCP server and CLI for yt-dlp media search/downloads, metadata tagging, transfer queu | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 3,620 tok |
| costory-io/costory-finops-mcp-skills costory.io FinOps agent MCP: one allocated view of cloud, AI and data costs across providers, shared | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 2,060 tok |
| impactbrussels/AINativeOS impact.brussels The open OS for building an AI-native company in hard-mode sectors. A 15-chapter Handbook, | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,832 tok |
| jpantsjoha/pinescript-plugin jpantsjoha.com Pine Script v6 skills and MCP tooling for coding agents — backed by a real validator, not | 3 | Codex, Gemini CLI, OpenCode | 2 | 627 tok |
| Mcpgate-de/mcpgate mcpgate.de Self-hosted MCP gateway. Connects Claude, ChatGPT, Codex and any MCP agent to 50+ enterpri | 3 | Claude Code, Gemini CLI | 2 | 1,327 tok |
| rex/mcp-apple-reminders MCP server for Apple Reminders. Full CRUD via EventKit, no shortcuts hacks. | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 26 | 3,552 tok |
| sky-access/skyaccess-mcp skyaccess.com Hosted SkyAccess MCP server for private jet empty legs: search 5,000+ live empty leg fligh | 3 | Gemini CLI | 1 | 206 tok |
| AtlassianPS/JiraAgilePS PowerShell module to interact with Jira's Agile plugin | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,263 tok |
| kestra-io/plugin-nats kestra.io Tasks that publish, subscribe, and work with NATS messaging. | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 399 tok |
| bnaylor/sharpei Sharpei Todo Management | 3 | Gemini CLI | 1 | 90 tok |
| ormastes/simple Self-hosted programming language and toolchain with Python-like syntax, native compilation | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 12,193 tok |
| gemini-cli-extensions/google-secops Gemini CLI Extension for Google SecOps OneMCP. | 2 | Gemini CLI | 1 | 1,356 tok |
| SecondLifes/code-intel Hybrid semantic+keyword code search, RAG chat, and a 17-tool MCP server for Delphi/Pascal | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 50 | 8,454 tok |
| dinglebear-ai/synapse npmjs.com Rust MCP and CLI server for local Synapse workflows: Docker/Compose control, host inspecti | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 5,463 tok |
| dinglebear-ai/rgotify npmjs.com Rust MCP server and CLI for Gotify push notifications, with stdio/HTTP transports, auth, C | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,153 tok |
| sunub/obsidian-mcp-server npmjs.com An MCP Server designed to make it easy for AI agents or external applications to browse an | 2 | Gemini CLI | 1 | 1,157 tok |
| dinglebear-ai/rapprise npmjs.com Rust MCP server and CLI for Apprise notification fan-out across dozens of delivery backend | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,363 tok |
| Tempguru-co/tempguru-mcp tempguru.co MCP server for W-2 event staffing across 345 US/CA markets: plan_staffing planner, live ra | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,547 tok |
| sultanlive/vibeseo-mcp vibeseo.dev VibeSEO MCP — Model Context Protocol server for SEO research and content workflow | 2 | Gemini CLI | 1 | 338 tok |
| MakeaMouse/fish-bridge-mcp An economical and fuel(token) efficient AI tool, graph session memory for looong chat sess | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 360 tok |
| Wolfe-Jam/gemini-faf-mcp faf.one Persistent Project Context for Google Gemini — IANA-registered .faf format · MCP server + | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,921 tok |
| laffeyp/cascade-img greenrosesystems.com MCP server for LLM-operable Midjourney image generation — compose, generate, inspect with | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,467 tok |
| yannmenec/inspectrum Catch the bad plan before you spend the tokens. Cross-LLM peer review via MCP. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,681 tok |
| cqtrinv/trinvmcp a MCP server for TRINV | 2 | Gemini CLI | 1 | 594 tok |
| scalixworld/scalix-cloud-mcp scalix.world Official MCP server for Scalix Cloud — the agent-native cloud: database, functions, AI, st | 2 | Gemini CLI | 1 | 186 tok |
| nolindnaidoo/regex-le letools.dev Find every regex in a codebase, and report which can be driven into catastrophic backtrack | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 10,210 tok |
| nogoo9/no-crd k8s controller manager w/o using CRDs (cuz your organization lockdown your cluster permiss | 2 | Claude Code, Gemini CLI | 3 | 3,660 tok |
| Decade-qiu/Multi-Source-Media-MCP-Server An MCP Tool Implementation for Multi-Source Image Access & Generation | 2 | Gemini CLI | 1 | 3,068 tok |
| mcqua007/agents-skeleton A language-agnostic starter repo for AI-powered development. Single-source-of-truth AGENTS | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 908 tok |
| promobase/facebook-business-mcp MCP server implementation of Facebook Business API | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 284 tok |
| SteinsFu/my-adhd-caveman A skill for your coding agent. Stops it from burying the answer in preamble. Numbered step | 2 | Codex, Gemini CLI, OpenCode | 2 | 631 tok |
| supportersimulator/3-surgeons Multi-model consensus system — 3 LLMs cross-examine each other to catch blind spots on cri | 2 | Gemini CLI | 1 | 1,037 tok |
| felipecabargas/gambit PM skills and workflow agents for Claude/Gemini — research to roadmap, sprint to stakehold | 2 | Claude Code, Gemini CLI | 2 | 1,495 tok |
| Tranquility2/quizzing Front-load an AI agent's clarifying questions into one capped, paginated web form so your | 2 | Gemini CLI | 1 | 144 tok |
| edwardxckf/humanizer-ms Remove signs of AI-generated writing from Malay (Bahasa Melayu) text. Agent skill for Clau | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,412 tok |