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 |
|---|---|---|---|---|
| lidless-labs/immichctrl lidless.dev Your photo library outgrew the click-grid. immichctrl gives shells, cron, and agents one t | 5 | Claude Code, Codex, OpenCode | 2 | 1,600 tok |
| daocodotorg/basic-blog npmjs.com Headless blog & CMS as a Convex component: npm package (basic-blog-convex-blog-cms), bundl | 5 | Codex, OpenCode | 1 | 618 tok |
| The-40-Thieves/obsidian-tc Obsidian Turbocharged — governed, agent-ready Obsidian MCP server. 163 tools across 31 dom | 5 | Claude Code, Codex, OpenCode | 9 | 4,035 tok |
| dcc-mcp/dcc-mcp-3dsmax pypi.org 3ds Max adapter for the DCC Model Context Protocol ecosystem | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 8 | 3,635 tok |
| Reederey87/grok-build-codex-plugin Codex CLI plugin: delegate reviews and bounded coding tasks to the local Grok Build CLI vi | 5 | Claude Code, Codex, OpenCode | 2 | 733 tok |
| BashaarJavaid/MCP-Sentinel bashaarjavaid.github.io PortunusMCP Sentinel: build-time security scanning for MCP servers. | 5 | Codex, OpenCode | 1 | 2,929 tok |
| hongshuo-wang/agent-usage-desktop A desktop app for local usage, cost, throughput, and session analytics across Claude Code, | 5 | Claude Code, Codex, OpenCode | 2 | 1,751 tok |
| KunanonJ/ai-skills-hub 542 cross-platform SKILL.md workflows for Cursor, Claude Code, Codex, Gemini CLI, Windsurf | 5 | Codex, Cursor, OpenCode | 2 | 690 tok |
| blake-simpson/belmont An agent agnostic, project agnostic, AI toolkit for running structured coding sessions wit | 5 | Claude Code, Codex, OpenCode | 2 | 12,735 tok |
| Yamato-main/gemini-discord Bring your local Gemini CLI agent into Discord as a persistent operational presence. | 5 | Codex, OpenCode | 1 | 520 tok |
| Ven0m0/gemini-web-wrapper gemini-web-wrapper.vercel.app A Bun + FastAPI monorepo for running a mobile-friendly AI workspace in the browser, backed | 5 | Claude Code, Codex, OpenCode | 2 | 1,123 tok |
| Kepsilent/Bug-Report-Skill BRS (Bug Report System) v3.0 — Cross-platform crash monitoring & AI diagnosis | Cross-plat | 5 | Codex, OpenCode | 1 | 429 tok |
| VietHann/agent-workspace Repository-aware context and validated workflows for Codex, Claude Code, Cursor, Copilot, | 5 | Codex, OpenCode | 1 | 493 tok |
| jyunming/Axon jyunming.github.io Local-first RAG engine with cited answers from your own docs. GraphRAG, sealed sharing, MC | 5 | Codex, GitHub Copilot, OpenCode | 10 | 9,587 tok |
| AndresJejen/beitlab_home_lab_cluster | 5 | Codex, Cursor, OpenCode | 3 | 510 tok |
| flagskit/flagskit Feature flags for React and TypeScript. Percentage rollout, user targeting, type-safe — no | 5 | Claude Code, Codex, OpenCode | 8 | 1,670 tok |
| moVictor99/shopify-theme-builder Interview-first skill that builds complete, theme-editor-controllable Online Store 2.0 Sho | 5 | Codex, OpenCode | 1 | 1,564 tok |
| xiaozhi86/qamaster An intelligent R&D productivity assistant based on large language models. It deeply analyz | 5 | Codex, OpenCode | 1 | 655 tok |
| rmyndharis/aimhooman aimhooman teaches coding agents Git etiquette—keeping agent memory, internal instructions, | 5 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 2,491 tok |
| dirnbauer/typo3-skills TYPO3 v14 Agent Skills: 26 owned + 11 vendored, with a measured eval harness and a single | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 5 | 5,971 tok |
| chaichiang/gtm-expert Source-traceable GTM diagnosis, expert perspectives, and actionable experiments. | 5 | Claude Code, Codex, OpenCode | 2 | 479 tok |
| open-horizon-labs/repo-native-alignment Code is a graph serialized as text. Agents fail when they reason over the serialization in | 5 | Claude Code, Codex, OpenCode | 35 | 3,895 tok |
| claude-office-skills/claude-wps-word-plugin WPS Office Word AI document assistant — write, polish, and format documents using natural | 5 | Codex, OpenCode | 1 | 917 tok |
| maxbarsukov/vkr-builder vkr-builder.maxbarsukov.ru 👷 Markdown → DOCX thesis builder matching ITMO requirements | 5 | Claude Code, Codex, OpenCode | 6 | 695 tok |
| racecraft-lab/racecraft-plugins-public code.claude.com Open-source Claude Code plugins from Racecraft Lab | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 48 | 1,918 tok |
| thrashr888/thrashr888-agent-kit Claude Code plugins and marketplace | 5 | Claude Code, Codex, OpenCode | 3 | 1,912 tok |
| gyuha/forge gyuha.com An agent-engineering workflow plugin for Claude Code — one task, one cycle: ask·plan → exe | 5 | Claude Code, Codex, OpenCode | 2 | 18,813 tok |
| Takhoffman/onenote-desktop-agent Free, open-source Claude Code and Codex plugins for controlling the real Windows OneNote d | 5 | Claude Code, Codex, OpenCode | 2 | 230 tok |
| promptctl/laws Claude Code plugin: laws for writing high quality code and llm guidance | 5 | Claude Code, Codex, OpenCode | 4 | 200 tok |
| crabsmadethis/d2r-horadric-tools Offline Diablo II: Resurrected toolkit for save editing, character creation, creating your | 5 | Claude Code, Codex, OpenCode | 2 | 1,908 tok |
| ramm/fantastical-cli Fantastical CLI and MCP | 5 | Codex, OpenCode | 1 | 3,895 tok |
| howdeploy/remorafish Agent-first Web2API and MCP provider framework for authorized LLM web sessions | 5 | Codex, OpenCode | 1 | 795 tok |
| AndekQR/fitatu-mcp-unofficial Unofficial Model Context Protocol server for Fitatu, with tools for food search and meal p | 5 | Codex, OpenCode | 1 | 2,465 tok |
| gelse/caldav-mcp An MCP server that bridges AI assistants to CalDAV calendars. 14 tools for listing, creati | 5 | Codex, OpenCode | 1 | 1,577 tok |
| kanren3/windbg-mcp WinDbg (cdb/kd) as an MCP server — concurrent multi-session debugging of crash dumps, live | 5 | Codex, OpenCode | 1 | 2,033 tok |
| ADIKANT/datalens-dev-mcp Local stdio MCP server for safe AI-assisted Yandex DataLens dashboard development. | 5 | Codex, OpenCode | 1 | 630 tok |
| godlewis/zendao-mcp ZenTao MCP Server | 5 | Claude Code, Codex, OpenCode | 5 | 286 tok |
| frontsail-ai/aspicio aspicio.frontsail.app DXF and vector-PDF viewer for the web and AI agents — TypeScript parse→tessellate→render e | 5 | Claude Code, Codex, OpenCode | 2 | 2,867 tok |
| GabrielBBaldez/Notify-Hub gabrielbbaldez.github.io One API. Every channel. Unified notification library for Java and Spring Boot. | 5 | Claude Code, Codex, OpenCode | 2 | 5,475 tok |
| aa-on-ai/agentic-design-system agentic-design-system.vercel.app Design governance for coding agents: intent, context, rendered evidence, review, and revis | 5 | Claude Code, Codex, OpenCode | 2 | 744 tok |
| Khamel83/argus pypi.org Multi-provider web search broker for AI agents. 14 providers, budget-aware routing, conten | 5 | Claude Code, Codex, OpenCode | 2 | 3,321 tok |
| Bortlesboat/bitcoin-mcp 50 standard Bitcoin tools for MCP agents, with 6 prompts and 8 resources. Uses a local nod | 5 | Codex, GitHub Copilot, OpenCode | 2 | 863 tok |
| atomchung/long-run-hybrid-coach paceandstaystrong.com Adaptive running and strength coaching for the long run — a hosted MCP server and Agent Sk | 5 | Claude Code, Codex, OpenCode | 2 | 5,660 tok |
| botzrDev/dreamd dreamd.dev Portable, local-first memory layer for AI coding agents. One .agent/ folder shared across | 5 | Claude Code, Codex, OpenCode | 2 | 20,137 tok |
| ddmanyes/second-brain-mcp A self-maintaining personal knowledge database — powered by MCP, DuckDB, and biological me | 5 | Claude Code, Codex, OpenCode | 2 | 7,375 tok |
| kitepon/aiterm-mcp npmjs.com One persistent MCP terminal your AI drives — and launches other coding agents (Codex/Grok/ | 5 | Claude Code, Codex, OpenCode | 2 | 2,501 tok |
| zelentsov-dev/apple-ads-mcp Local-first MCP server for Apple Ads Platform API v1 with typed, receipt-gated campaign op | 5 | Claude Code, Codex, OpenCode | 2 | 499 tok |
| k-vaca/prompt-engineering-skill Research-grounded Agent Skill for writing professional LLM prompts — matches technique to | 5 | Codex, OpenCode | 1 | 158 tok |
| tentenco/shuorenhua-zh-tw tenten.co Traditional Chinese (Taiwan) AI humanizer skill: remove AI-like phrasing, eliminate Mainla | 5 | Claude Code, Codex, OpenCode | 2 | 567 tok |
| Zachariah9420/embedded-systems-architect augmentclaude.com Evidence-driven embedded systems & edge-AI skill for Claude Code and other agents — vendor | 5 | Codex, Gemini CLI, OpenCode | 2 | 293 tok |