24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| jcucci/dotnet-sherlock-mcp MCP server that uses reflection to provide LLM's with knowledger about dotnet classes, the | 10 | Claude Code, Codex, OpenCode | 2 | 6,430 tok |
| iolairus/borderlint A tool for mapping where your AI data flows and governing it against your residency and so | 10 | Claude Code, Codex, OpenCode | 30 | 1,718 tok |
| ASDAlexey/vitest-auto-spy npmjs.com Auto-generate fully-typed test spies from a class — across Vitest, Bun & node:test, with A | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 8,404 tok |
| WolframInstitute/ClaudePluginComputationalResearch Wolfram-centric Claude plugin for AI-assisted computational research | 10 | Claude Code, Codex, OpenCode | 2 | 2,316 tok |
| npow/claude-relay Drop-in OpenAI and Anthropic API server that routes through Claude Code | 10 | Codex, OpenCode | 1 | 849 tok |
| alexmond/alexmskills alexmond.org A curated Claude Code plugin marketplace of reusable, self-improving skills and agents — e | 10 | Claude Code, Codex, OpenCode | 3 | 7,021 tok |
| SethGame/mcp_flexsim mcp server for FlexSim | 10 | Codex, OpenCode | 1 | 700 tok |
| HelloThisIsFlo/omnifocus-operator An MCP server that exposes OmniFocus to AI agents via the Model Context Protocol (MCP). | 10 | Claude Code, Codex, OpenCode | 12 | 1,533 tok |
| kamiazya/whiteboard kamiazya-whiteboard.pages.dev An collaborative diagramming MCP tool for AI. Use it to align on specs, architecture, work | 10 | Claude Code, Codex, OpenCode | 44 | 3,768 tok |
| AgentsKit-io/doc-bridge doc-bridge.agentskit.io Portable doc bridge for AI agents — OKF + Self-Describe + AgentHandoff. CLI, MCP, Fumadocs | 10 | Claude Code, Codex, OpenCode | 2 | 339 tok |
| TommyBez/skillsboard skillsboard.sh Skills Board, the agent-native skills registry for teams. Free forever. | 10 | Codex, OpenCode | 1 | 1,414 tok |
| benkaiser/mob-mcp-crm mobcrm.au Personal CRM - Remember your contacts better | 10 | Codex, OpenCode | 1 | 990 tok |
| beremaran/godot-agent-loop Lean MCP feedback loop for Godot 4 — run, observe, interact, verify | 10 | Claude Code, Codex, OpenCode | 2 | 2,140 tok |
| bruchris/canvas-lms-mcp bruchris.github.io Canvas LMS MCP server — read courses, assignments, submissions, rubrics, quizzes; grade an | 10 | Claude Code, Codex, OpenCode | 7 | 1,878 tok |
| hermes-labs-ai/hermes-blind hermes-labs.ai Recovers the original goal of a long Claude Code or Codex session from its first user turn | 10 | Claude Code, Codex, OpenCode | 2 | 348 tok |
| prefect12/codex-token-meter prefect12.github.io Native macOS menu bar apps for tracking Codex and Claude Code token usage, quota, cache ef | 10 | Codex, OpenCode | 1 | 1,357 tok |
| aterrylu/autonomOS Multi-agent harness for CLI coding agents — orchestrate Claude Code, Codex, and more. | 10 | Claude Code, Codex, OpenCode | 3 | 15,407 tok |
| leynos/visual-storytelling-skills Agent skills for AI film production — from prose to picture. | 10 | Codex, OpenCode | 1 | 8 tok |
| getsetmind/DalamudMCP Windows-local MCP server and Dalamud plugin for observing FFXIV state and executing opt-in | 10 | Codex, OpenCode | 1 | 556 tok |
| raultov/knot knot.kz High-performance Rust MCP server & CLI codebase indexer for AI agents. Unlocks deep codeba | 10 | Codex, OpenCode | 1 | 6,343 tok |
| yugash007/edu-agent-skills Reusable educational skills for AI coding agents. Turn agents (Gemini CLI, Claude Code, Cu | 10 | Codex, OpenCode | 1 | 569 tok |
| andalabx/ember Lightweight headless browser for AI agents | 10 | Codex, OpenCode | 1 | 1,804 tok |
| mgh3326/auto_trader LLM agent trades KR/US stocks & crypto behind a deterministic safety layer — approval gate | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 8,112 tok |
| stone16/multica-agent-team Public reference operating model for reusable, evidence-driven AI agent teams on Multica. | 10 | Claude Code, Codex, OpenCode | 3 | 4,494 tok |
| brainbytes-dev/everything-claude-marketing The complete marketing intelligence system for Claude Code — 18 agents, 72 skills, 22 comm | 10 | Claude Code, Codex, OpenCode | 2 | 2,067 tok |
| grapeot/context-infrastructure-en English reference implementation of context infrastructure for AI workspaces | 10 | Codex, OpenCode | 1 | 1,011 tok |
| Tx1207/hello-scholar In Agent-related practice, I found that blindly piling on a large number of skills does no | 10 | Claude Code, Codex, OpenCode | 2 | 4,020 tok |
| konan-1947/claude_diff_view_vscode_extension marketplace.visualstudio.com claude_diff_view_vscode_extension | 10 | Claude Code, Codex, OpenCode | 2 | 7,137 tok |
| aarons22/paprika-tools MCP server for Paprika Recipe Manager | 10 | Codex, OpenCode | 1 | 571 tok |
| wasix-org/wasinix WASIX package collection based on Nix. | 10 | Claude Code, Codex, OpenCode | 2 | 1,990 tok |
| XMZF-vAI/clerkbox clerkbox.xmzf.space ClerkBox — A local-first AI desktop workspace with a built-in WebUI, extensible skill mark | 10 | Codex, OpenCode | 1 | 843 tok |
| alexhvastovich/playwright-ai-pom-starter Playwright POM, resilient locators, and repository skills for AI-assisted test automation. | 10 | Codex, OpenCode | 1 | 451 tok |
| kaiwood/kward kaiwood.github.io An extendable Ruby CLI coding agent. | 10 | Codex, OpenCode | 1 | 3,590 tok |
| MiiKiyoshi/tex-mcp-web Review a LaTeX paper from its PDF while an AI agent edits the source. | 10 | Codex, OpenCode | 1 | 21 tok |
| AncientiCe/palace-rs Local-first memory for coding agents: MCP server, single SQLite file, local embeddings | 10 | Claude Code, Codex, OpenCode | 2 | 2,694 tok |
| klimPaskov/hoi4-agent-tools HOI4 modding tools for agents: local references, visual previews, focus trees, interfaces | 10 | Codex, OpenCode | 1 | 913 tok |
| cyanheads/gdelt-mcp-server npmjs.com Search and analyze global news coverage and US television transcripts from the GDELT Proje | 10 | Claude Code, Codex, OpenCode | 2 | 16,532 tok |
| meteor/agent-skills docs.meteor.com Meteor-maintained Agent Skills for building, migrating, testing, securing, and deploying M | 10 | Codex, OpenCode | 1 | 2,994 tok |
| Receiptor-AI/bookkeeping-skills bookkeeping.md Open-source bookkeeping skills for AI agents | 10 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| chipweaver/veripower Give your coding agent a workflow for chip front-end design and verification. | 10 | Claude Code, Codex, OpenCode | 4 | 497 tok |
| adsabs/scix-mcp A Model Context Protocol (MCP) server for the NASA Astrophysics Data System (SciX) API | 10 | Codex, OpenCode | 1 | 828 tok |
| gatordevin/avo Open reproduction of NVIDIA's AVO paper (arXiv:2603.24517): evolutionary search where an a | 10 | Claude Code, Codex, OpenCode | 2 | 1,178 tok |
| whshang/herdr-mcp whshang.github.io herdr provides a stable Webchat → Mac/Linux/Windows Connector MCP, allowing web conversati | 10 | Claude Code, Codex, OpenCode | 2 | 5,535 tok |
| dcc-mcp/dcc-mcp-unreal pypi.org Unreal Engine MCP adapter for AI agents to author actors, assets, Blueprints and cinematic | 10 | Codex, OpenCode | 1 | 1,528 tok |
| alanpcf/brasil-data-mcp npmjs.com MCP server providing access to Brazilian public data (CNPJ, CEP, banks, holidays, DDD, ISB | 10 | Codex, OpenCode | 1 | 4 tok |
| spree/agent-skills spreecommerce.org Agent skills for Spree Commerce — works with Claude Code, Codex, Cursor, Copilot, Cline, A | 10 | Claude Code, Codex, OpenCode | 1 | 3,860 tok |
| koldovsky/project-factory Self-improving, spec-driven multi-agent SDLC delivery framework — agent-agnostic plugin fo | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 795 tok |
| keyfire/elemctl docs.keyfire.ru CLI, MCP server, and library for the documented Console API v2 of 1C:Enterprise.Element (1 | 10 | Claude Code, Codex, OpenCode | 2 | 2,125 tok |
| tentenco/shuorenhua-zh-tw tenten.co Traditional Chinese (Taiwan) AI humanizer skill: remove AI-like phrasing, eliminate Mainla | 10 | Claude Code, Codex, OpenCode | 2 | 567 tok |
| berkayturk/appstore-precheck Read-only iOS App Store pre-submission check: scans 52 rejection vectors, wraps Apple's fa | 10 | Codex, OpenCode | 1 | 792 tok |