24,785 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318Frontend2,308Security2,170Project management1,960
All Claude Code32,505 Codex24,785 OpenCode23,702 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,771 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| VikrantSingh01/adaptive-cards-mcp npmjs.com AI-powered Adaptive Card MCP server — 9 tools for generating, validating, optimizing cards | 33 | Codex, OpenCode | 1 | 5,122 tok |
| microsoftgbb/project-nighthawk Nighthawk — AI-powered deep technical research pipeline for Azure Kubernetes Service (AKS) | 33 | Claude Code, Codex, GitHub Copilot | 10 | 513 tok |
| rps321321/obsidian-mcp-pro The most feature-complete MCP server for Obsidian vaults — 23 tools + 3 resources for sear | 33 | Codex, OpenCode | 1 | 186 tok |
| girijashankarj/cursor-handbook Open-source rules engine for Cursor IDE — 110 rules, agents, skills, commands that give AI | 33 | Claude Code, Codex, OpenCode | 2 | 933 tok |
| johnvouros/skillmaxxing A phase-aware operating system for coding agents that helps them explore, ship, harden, an | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 294 tok |
| jordanurbs/venice-video-harness Agent-first Venice-optimized harness for consistent video creation | 33 | Claude Code, Codex, OpenCode | 32 | 42,421 tok |
| kirbah/mcp-youtube High-efficiency YouTube MCP server: Get token-optimized, structured data for your LLMs usi | 33 | Codex, OpenCode | 1 | 1,354 tok |
| majiayu000/remem majiayu000.github.io Local-first persistent memory for Claude Code & Codex CLI - Rust CLI, hooks, MCP server, S | 33 | Claude Code, Codex, OpenCode | 4 | 1,478 tok |
| EndlessBlueWJL/schengen-visa-guide Schengen visa AI Agent skill — customized checklists by applicant profile, cross-session m | 33 | Codex, OpenCode | 1 | 274 tok |
| mehmetnadir/cdpilot cdpilot.ndr.ist Browser automation CLI on raw CDP — no Puppeteer, Playwright or Selenium, 0 npm dependenci | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,615 tok |
| pe-menezes/vibeflow vibeflow.run Spec-driven development for AI agents. Define what to build, let the agent build it right. | 33 | Claude Code, Codex, OpenCode | 2 | 2,183 tok |
| rgmez/apple-accessibility-skills Accessibility audit skills for Apple platforms (SwiftUI, UIKit, AppKit) | 33 | Codex, OpenCode | 1 | 233 tok |
| raccioly/docguard npmjs.com Audit and enforce canonical project documentation for AI-assisted development. Detect drif | 33 | Claude Code, Codex, OpenCode | 21 | 4,855 tok |
| akougkas/zulipchat-mcp pypi.org ZulipChat MCP Server - A Model Context Protocol server that bridges AI agents with Zulip C | 33 | Claude Code, Codex, OpenCode | 3 | 6,999 tok |
| datarobot-oss/datarobot-agent-skills datarobot.com Bring DataRobot platform capabilities to your coding agents | 33 | Claude Code, Codex, OpenCode | 2 | 959 tok |
| edvardgrishin27/frameproof An agent that watches videos without blind spots and proves it saw them with timecodes. Of | 33 | Codex, OpenCode | 1 | 334 tok |
| korovin-aa97/talkthrough-mcp pypi.org Recordings in. Agent-ready evidence out. Local-first MCP for transcripts, keyframes, OCR, | 33 | Claude Code, Codex, OpenCode | 3 | 989 tok |
| Mr-Salticidae/knowledge-base Mr. Jumping Spider's public knowledge base of AIGC creation methodology, consolidating reu | 33 | Claude Code, Codex, OpenCode | 2 | 810 tok |
| home-operations/yayamlls YAML language server in Go. Schema-driven diagnostics, completion, hover; pluggable render | 33 | Claude Code, Codex, OpenCode | 2 | 2,942 tok |
| Turki-Sh/Foreman foreman.turkialshuaibi.com A build playbook that turns your coding agent into the foreman of a website build. It inte | 33 | Claude Code, Codex, OpenCode | 1 | 1,356 tok |
| LeXwDeX/Mao-s-Legacy-Chinese-Tools Chinese localization tool and localization pack for Mao's Legacy. | 33 | Codex, OpenCode | 1 | 3,592 tok |
| kemiljk/kernel-ui kernelui.com Semantic HTML component library for React and Web Components | 33 | Codex, OpenCode | 1 | 3,527 tok |
| ukunal91app/Marketing-Skills-by-Corey-Haines | 33 | Claude Code, Codex, OpenCode | 2 | 2,263 tok |
| heihei999/huasheng-mcp An MCP problem-solving assistant based on Huasheng Shisan's civil service exam methodology | 33 | Claude Code, Codex, OpenCode | 2 | 1,522 tok |
| sandraschi/freecad-mcp FreeCAD 3D CAD automation via FastMCP — headless document/export plus FluidX3D/OpenFOAM CF | 33 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,714 tok |
| Automattic/simplenote-mcp A basic MCP server for the Simplenote desktop app. | 33 | Claude Code, Codex, OpenCode | 3 | 2,193 tok |
| AndreaBozzo/dataprof andreabozzo.github.io Data profiling and quality gates for CSV, JSON, Parquet and DataFrames. Rust core, Python | 33 | Claude Code, Codex, OpenCode | 3 | 1,537 tok |
| Fix3dll/QuicMic crates.io Turn any phone or tablet into a low-latency wireless microphone for your PC, over your loc | 33 | Codex, OpenCode | 1 | 12,444 tok |
| mattiasgeniar/offline-first-pwa Agent skill: the rules for building offline-first PWAs that launch instantly from the home | 33 | Codex, OpenCode | 1 | 84 tok |
| geekjourneyx/industry-research A professional industry research Skill that turns industry, sector, and company questions | 33 | Claude Code, Codex, OpenCode | 2 | 2,550 tok |
| doublegate/CyberChef-MCP doublegate.github.io Model Context Protocol server for CyberChef — exposes GCHQ's "Cyber Swiss Army Knife" as A | 33 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 15,869 tok |
| jedarden/NEEDLE jedarden.com Headless agent orchestrator with deterministic state machine — processes a bead queue, dis | 33 | Claude Code, Codex, OpenCode | 3 | 6,967 tok |
| awslabs/AutoHelix Agent-powered iterative optimization: put an AI agent in a verified improvement loop. | 33 | Claude Code, Codex, OpenCode | 2 | 1,656 tok |
| Corporationakht/LocalCodeCli A powerful local proxy for Claude Code CLI and Codex CLI supporting NVIDIA NIM, Google,Gem | 33 | Claude Code, Codex, OpenCode | 2 | 3,287 tok |
| serejaris/telegram-skills Agent Skills for Telegram Bot API 10.3 — Rich Messages, streaming AI replies, polls, and M | 33 | Codex, OpenCode | 1 | 206 tok |
| HorizunGroup/horizun-pbi-mcp pypi.org Open-source Power BI MCP to build, audit and repair Desktop models and PBIP reports with D | 33 | Codex, OpenCode | 1 | 3,288 tok |
| oddbit/shrtnr oddbit.id MCP server, REST API and typed SDKs for short links. Per-user ownership, bundle analytics. | 33 | Claude Code, Codex, OpenCode | 3 | 2,497 tok |
| ChanMeng666/archlang archlang.uk 【Star us! ⭐】 A declarative language that compiles to professional SVG floor plans — like T | 33 | Claude Code, Codex, OpenCode | 9 | 1,335 tok |
| modxcms-jp/evolution-jp modx.jp | 33 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 3,998 tok |
| buttondown/docs docs.buttondown.com Buttondown's public documentation | 33 | Claude Code, Codex, OpenCode | 2 | 91 tok |
| wn-mitch/40kdc-data wn-mitch.github.io Community-owned data schemas for Warhammer 40,000 developer tooling | 33 | Claude Code, Codex, OpenCode | 7 | 13,345 tok |
| container-registry/harbor-next container-registry.com Next-generation Harbor. Use features before they move upstream. | 33 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| 10Legs/freelance-developer-harness A Claude Code operating system for running a structured agency team. 25 specialized roles | 33 | Claude Code, Codex, OpenCode | 5 | 5,267 tok |
| 996pm/interaction-prd Interactive PRD Skill — gradually turn product ideas into an editable, demonstrable, expor | 33 | Codex, OpenCode | 1 | 135 tok |
| eftechcombr/glpi hub.docker.com GLPI as Container on Kubernetes Cluster | 33 | Codex, OpenCode | 1 | 1,931 tok |
| tialkan/TezAtlas | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 27 | 1,836 tok |
| microsoft/azure-sql-database-container This is the Azure SQL Database container image repository | 32 | Codex, OpenCode | 1 | 644 tok |
| Mergifyio/mergify-cli mergify.com Mergify CLI tool | 32 | Codex, OpenCode | 1 | 430 tok |
| guapimm/LLM-App-Mentor （LLM-App-Mentor）Turn your AI coding assistant into a cautious 10-year full-stack mentor — | 32 | Codex, OpenCode | 1 | 200 tok |
| xcota/pos Give Claude Code a persistent memory — it remembers you, your projects, and your decisions | 32 | Claude Code, Codex, OpenCode | 23 | 1,654 tok |