22,170 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| wonna-fi/saaga | 6 | Claude Code, Codex, OpenCode | 2 | 420 tok |
| windyroad/agent-plugins Claude Code plugins for architecture governance, risk management, TDD, and delivery qualit | 6 | Claude Code, Codex, OpenCode | 3 | 2,359 tok |
| Euclid-BG/Euclid-MCP euclid-bg.github.io Euclid-MCP server for logical reasoning: turns facts into formal proofs. Euclid-MCP is a h | 6 | Codex, OpenCode | 1 | 2,525 tok |
| specdog/dotdog specdog.github.io CLI tool for structured software specs. Validate .dog files, compile .dag graphs, query vi | 6 | Claude Code, Codex, OpenCode | 2 | 959 tok |
| Walvez/grok-subagent Use the official Grok Build CLI as a controlled external subagent for Codex via ACP and MC | 6 | Codex, OpenCode | 1 | 591 tok |
| berkayturk/appstore-precheck Read-only iOS App Store pre-submission check: scans 52 rejection vectors, wraps Apple's fa | 6 | Codex, OpenCode | 1 | 792 tok |
| mhenke/john-ousterhout-skills Strategic software design guidelines for AI coding agents. 15 behavioral rules + critique/ | 6 | Claude Code, Codex, OpenCode | 2 | 2,307 tok |
| Phelan164/codex-howto codex-howto-benchmark.nguyenvantamdk2.chatgpt.site Engineering-first OpenAI Codex guide: 14 modules, 9 installable skills, reproducible bench | 6 | Codex, OpenCode | 1 | 318 tok |
| sky32/mcport A local-first MCP Workspace tool that lets AI securely connect to, understand, and operate | 6 | Codex, OpenCode | 1 | 1,831 tok |
| churichard/fluxmail Self-hosted email CLI / API / MCP server for AI agents and apps | 6 | Claude Code, Codex, OpenCode | 3 | 678 tok |
| iamwaqargulzar/Marketing-Agent-OS Marketing Agent OS: 236 cross-platform AI agent skills for marketing, SEO, GEO/AEO, conten | 6 | Claude Code, Codex, OpenCode | 2 | 263 tok |
| defkode/orbx Per-project, isolated OrbStack Linux VMs from a zero-dependency Bash CLI — auto-named from | 6 | Claude Code, Codex, OpenCode | 2 | 1,868 tok |
| kostja94/openblog alignify.co Agent-native, Git-based blog CMS module for product sites. Mount /blog on your marketing s | 6 | Codex, OpenCode | 1 | 1,769 tok |
| preceptress/btc-15-minute-prediction-model | 6 | Codex, OpenCode | 1 | 102 tok |
| mareurs/claude-plugins Claude Code plugin marketplace - SDD and more | 6 | Claude Code, Codex, OpenCode | 2 | 10,767 tok |
| ayeshLK/archsmith npmjs.com Turn a validated JSON IR into a consistent layered-architecture diagram (SVG) — library, C | 6 | Claude Code, Codex, OpenCode | 2 | 9,482 tok |
| wagtail/wagtail-mcp pypi.org Experimental MCP server to automate common operations on Wagtail projects | 6 | Codex, OpenCode | 1 | 504 tok |
| opensymph/open-computer-use A local MCP server that gives AI agents eyes and hands on your desktop — macOS, Windows & | 6 | Claude Code, Codex, OpenCode | 2 | 605 tok |
| tonydzi/second-brain-starter-kit Claude Code as a second brain: 100 battle-tested skills, a working CRM engine, vault templ | 6 | Codex, OpenCode | 1 | 1,104 tok |
| IcyHot09/opengrok-mcp-server OpenGrok MCP Server is a native Model Context Protocol server that bridges your organizati | 6 | Claude Code, Codex, OpenCode | 2 | 4,654 tok |
| Iron-Mark/Hackathon-Stellaroid_Earn stellaroid.tech Stellaroid Earn — On-chain credential registry and payment rail on Stellar. Issue, verify, | 6 | Claude Code, Codex, OpenCode | 3 | 1,781 tok |
| olgasafonova/gleif-mcp-server MCP server for GLEIF LEI (Legal Entity Identifier) database access | 6 | Claude Code, Codex, OpenCode | 2 | 413 tok |
| cacr92/WeReply Automatic WeChat chat reply assistant | 6 | Claude Code, Codex, Cursor, OpenCode | 50 | 4,270 tok |
| devnullvoid/mcp-ssh-tmux pypi.org Persistent SSH sessions for AI agents via tmux - No regex, no complexity, just visual snap | 6 | Codex, OpenCode | 1 | 1,489 tok |
| kouroshez/coding-os coding-os.dev The cognitive operating system that gives AI coding agents memory, structure, and discipli | 6 | Claude Code, Codex, OpenCode | 2 | 4,590 tok |
| nushey/agents-md-generator Mcp server to create agents-md efficiently | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,335 tok |
| emersonjds/redbar Spec-driven test agents for every layer. Math finds what you changed that nothing tests; a | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,518 tok |
| Taketo-Yoda/uv-sbom Generate SBOMs for Python projects managed by uv. | 6 | Claude Code, Codex, OpenCode | 20 | 2,891 tok |
| GRACENOBLE/fullstack-template How I skip the repetitive setup, save tokens, save time and focus on the business logic | 6 | Claude Code, Codex, OpenCode | 15 | 3,658 tok |
| namastexlabs/automagik-cli A powerful TypeScript-based CLI chat application for interacting with multi-agent AI syste | 6 | Claude Code, Codex, OpenCode | 14 | 3,783 tok |
| henkaku-center/omise-interface omise.henkaku.org | 6 | Codex, GitHub Copilot, OpenCode | 2 | 110 tok |
| dnsabby/MSITM.6341 Python Class Shared Project Directory | 6 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 61 | 933 tok |
| lesleslie/jinja2-async-environment Provides asynchronous alternatives to Jinja2's standard template environment and loaders | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,668 tok |
| Kuniwak/puml-parallel Composing multiple PlantUML state diagrams in parallel with synchronization events | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 8 tok |
| lucaspressi/claudekit-engineer | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 2,006 tok |
| jeffgreendesign/textrawl textrawl.com Turn your documents into agent memory. MCP server with hybrid semantic + keyword search ov | 5 | Claude Code, Codex, OpenCode | 4 | 3,324 tok |
| mrgnhnt96/sip A command-line tool to manage Dart mono-repos. | 5 | Claude Code, Codex, OpenCode | 7 | 2,533 tok |
| villagesql/villagesql-skills villagesql.com Agent skills for VillageSQL - gemini-cli-extension; claude-code-plugin | 5 | Codex, OpenCode | 1 | 370 tok |
| pixeltable/pixeltable-skill pixeltable.com Skill/Plugin for building multimodal AI applications with Pixeltable. Tables, computed col | 5 | Codex, OpenCode | 1 | 551 tok |
| Kyure-A/nix-config NixOS configuration | 5 | Claude Code, Codex, OpenCode | 2 | 294 tok |
| sgaabdu4/hard-eng Stateful agentic engineering workflow for local coding agents | 5 | Claude Code, Codex, OpenCode | 14 | 562 tok |
| prantikmedhi/ClawNexus ClawNexus is a Vite + React + TypeScript console for managing OpenClaw-style agent gateway | 5 | Claude Code, Codex, OpenCode | 2 | 2,445 tok |
| Diluka/dsh-agent-plugin-market DSH (DeepSeek Harness) plugin: uses Git repositories as an agent plugin marketplace to ins | 5 | Codex, OpenCode | 1 | 1,586 tok |
| counterposition/pi Skills, extensions, and packages for the Pi coding agent | 5 | Claude Code, Codex, OpenCode | 2 | 809 tok |
| CRACKISH/mcp-creatio npmjs.com MCP server for Creatio CRM. Connect ChatGPT, Claude, and GitHub Copilot to Creatio via Mod | 5 | Codex, OpenCode | 1 | 10,420 tok |
| TakoData/tako-mcp docs.tako.com Tako MCP gives your agent industry-leading live web search plus licensed data that the ope | 5 | Codex, OpenCode | 1 | 2,917 tok |
| Pantani/ableton-mind pantani.github.io Definitive MCP server for Ableton Live — full LOM coverage, embedded device knowledge base | 5 | Claude Code, Codex, OpenCode | 32 | 4,391 tok |
| NaNMesh/nan-forget Never forget. Long-term memory for any LLM. | 5 | Claude Code, Codex, OpenCode | 9 | 2,972 tok |
| AgentsKit-io/agentskit-registry registry.agentskit.io Ready-to-use AI agents for AgentsKit — shadcn-style: copy the source into your project. re | 5 | Codex, OpenCode | 1 | 328 tok |
| JustinBeckwith/pylon-mcp MCP server for Pylon customer support platform | 5 | Codex, OpenCode | 1 | 299 tok |