43,652 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 |
|---|---|---|---|---|
| tumf/fastmcp-gsuite MCP server for Gmail, Google Calendar, and Google Drive integration using fastmcp. Support | 9 | Claude Code, Codex, Cursor, OpenCode | 8 | 822 tok |
| dhkim0124/anki-mcp-server smithery.ai A Model Context Protocol (MCP) server that connects Claude to Anki. This integration allow | 9 | Claude Code | 1 | 1,079 tok |
| blackwell-systems/claudewatch AgentOps for Claude Code. Monitors AI agent behavior during development: real-time error l | 9 | Claude Code | 1 | 3,838 tok |
| ankit-verma-209171/android-docs-mcp npmjs.com An MCP (Model Context Protocol) server that gives AI agents direct access to [developer.an | 9 | Codex, OpenCode | 1 | 486 tok |
| yutakobayashidev/ava ava-dusky-gamma.vercel.app Automatically share development progress to Slack through AI. MCP-powered task reporting w | 9 | Claude Code, Codex, OpenCode | 3 | 2,220 tok |
| jsulmont/mcp-lisp Common Lisp SDK for Model Context Protocol (MCP) and Agent-to-Agent Protocol (A2A) | 9 | Claude Code | 2 | 580 tok |
| tashian/tsm 🤫 Tiny Secrets Manager — lightweight agent secrets vault for macOS with Touch ID | 9 | Claude Code | 1 | 2,518 tok |
| Desko77/1c-formsserver MCP server for 1C:Enterprise managed form generation, validation, conversion and search. S | 9 | Claude Code | 1 | 1,268 tok |
| Global-Slice/claude-plugin Claude Code plugin marketplace for Slice — cap table, equity, compliance, and MCP integrat | 9 | Claude Code, Codex, OpenCode | 1 | 800 tok |
| enescaakir/notify Windows toast notifications for Claude Code — alerts on permission prompts and task comple | 9 | Claude Code | 1 | 496 tok |
| Amb2rZhou/intern-clawd A Personal Secretary OS for Claude Code — persistent memory, rituals, dual-domain wiki. | 9 | Claude Code | 1 | 1,238 tok |
| Obsidian-Owl/specwright obsidian-owl.github.io Craft quality software with AI discipline. Spec-driven development plugin for Claude Code | 9 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,755 tok |
| naniiluja/ccf A context-first, spec-driven, strictly sequential development workflow plugin for Claude C | 9 | Claude Code | 1 | 2,930 tok |
| CoriChui/yolo YOLO — a reasoning-first, feature-aware workflow framework for Claude Code. Git is the sou | 9 | Claude Code | 2 | 1,090 tok |
| rasatpetabit/masterplan Brainstorm → plan → execute development workflow plugin for Claude Code | 9 | Claude Code, Codex, OpenCode | 2 | 1,759 tok |
| PhAlves23/prompt-engineering-skill promptcause.com Prompt Engineering skill for Claude Code — rewrites and optimizes prompts using proven tec | 9 | Gemini CLI | 1 | 1,067 tok |
| Aznatkoiny/zAI-Skills Claude Code plugin marketplace — AI/ML toolkit, consulting frameworks, and real estate inv | 9 | Claude Code | 1 | 650 tok |
| getzikra/Zikra zikra.dev Persistent memory MCP server for Claude Code — self-hosted, n8n + PostgreSQL + pgvector. N | 9 | Codex, OpenCode | 1 | 1,106 tok |
| cylestio/agent-inspector inspector.cylestio.com Local open-source dev tool to debug, secure, and evaluate LLM agents. Provides static anal | 9 | Claude Code | 1 | 875 tok |
| muhammademanaftab/pulse A memory layer for your Claude Code work. It captures every session and writes your daily | 9 | Claude Code | 1 | 1,059 tok |
| os-tack/ostk-cache ostk.ai Context-aware caching proxy for Anthropic and OpenAI — maximizes prompt-cache hit rates by | 9 | Codex, OpenCode | 1 | 3,682 tok |
| initxy/noeta initxy.github.io The server-side runtime for AI agents. Durable & crash-safe (event-sourced), multi-worker | 9 | Claude Code, Codex, OpenCode | 3 | 933 tok |
| Nicered/ClaudeShip nicered.github.io Build full-stack web apps with natural language — powered by Claude Code CLI | 9 | Claude Code | 1 | 1,822 tok |
| mirinodev/maestro A CLI tool that conducts Git worktrees like an orchestra and accelerates parallel developm | 9 | Claude Code | 3 | 3,926 tok |
| rob-balfre/dryui dryui.dev 160+ components and theme controls, plus a CLI, MCP, and feedback engine to keep AI on tra | 9 | Claude Code, Codex, OpenCode | 2 | 1,624 tok |
| leMaur/livewire-flux-mcp npmjs.com Flux UI docs for your AI coding assistant. Live from fluxui.dev, Pro-tier aware, Laravel B | 9 | Claude Code | 7 | 1,090 tok |
| nwant/obsidian-ai-curator Smart note consolidation for Obsidian using Claude AI. Automatically identifies and merges | 9 | Claude Code | 1 | 3,739 tok |
| like-a-freedom/rusty_apple_mail_mcp Local-first Apple Mail MCP. Dead fast. Dead simple. | 9 | Claude Code, Codex, OpenCode | 2 | 6,205 tok |
| just-every/mcp-deep-search justevery.com Runs a search across all major providers simultaneously | 9 | Claude Code | 1 | 1,021 tok |
| colaberry/WorldOfTaxonomy worldoftaxonomy.com 1,000+ open taxonomy systems with 1.2M+ codes and 320K+ crosswalk edges. NAICS, ISIC, NACE | 9 | Claude Code | 1 | 16,396 tok |
| rudraptpsingh/axon rudraptpsingh.github.io Local hardware intelligence for AI coding agents. Zero cloud. Zero telemetry. | 9 | Claude Code | 18 | 3,902 tok |
| neozhehan/figma-edit-mcp neozhehan.github.io Read, create, and modify Figma designs programmatically via MCP, empowering AI to execute | 9 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 690 tok |
| alphaparkinc/canlah-ai-skill GenPark skill: Integrate CANLAH AI's Style Genome and multi-agent business suite for marke | 9 | Claude Code, Codex | 1 | — |
| microsoft/entrabot microsoft.github.io Give a device-local AI agent its own Microsoft Entra identity. Reference implementation fo | 9 | Claude Code, Codex, OpenCode | 8 | 5,950 tok |
| bocan/codex A wiki and document store built with React + Express. Organize markdown files in folders w | 9 | Claude Code, Codex, GitHub Copilot | 3 | 2,462 tok |
| lim5max/poolstatis poolstatis.xyz Agent-native product analytics for coding agents | 9 | Claude Code, Codex, OpenCode | 6 | 4,612 tok |
| mussolene/1c_hbk_bsl mussolene.github.io Open-source toolkit for 1C:Enterprise/BSL: 180 diagnostics, formatter, LSP, CLI, VS Code/C | 9 | Claude Code, Codex, OpenCode | 2 | 903 tok |
| open-latch/latch Run more agents with less babysitting. latch holds every agent to your own ratified decisi | 9 | Codex, Cursor | 9 | — |
| coo-quack/calc-mcp MCP server with 21 tools for things AI is bad at — math, hashing, encoding, date arithmeti | 9 | Claude Code | 1 | 1,417 tok |
| cyanheads/pubchem-mcp-server npmjs.com Search the PubChem chemical database for compounds, properties, safety data, bioactivity, | 9 | Claude Code | 1 | 5,042 tok |
| Open-Agent-Tools/open-stocks-mcp MCP Server for stock market data - Robinhood, Schwab APIs with multi-broker support | 9 | Claude Code, Codex, OpenCode | 2 | 4,707 tok |
| HumanBean17/jrag A rag + rag-graph native code intelligence layer for Java microservice estates, exposed to | 9 | Claude Code, Codex, OpenCode | 16 | 950 tok |
| AetherCore-Dev/ag402 Zero latency! Zero code change! Empower your AI agent with payment ability via x402 proto | 9 | Claude Code | 3 | — |
| leter/claude-code-in-action Official Claude Code in Action course in Chinese / Chinese-localized Claude Code course | 9 | Codex, OpenCode | 1 | 757 tok |
| tohsaka888/trading-mcp MCP service designed for stock quantitative agents | 9 | Claude Code, Codex | 2 | — |
| redscaresu/goldfinger SRE toolkit for managing repos in github at scale | 9 | Claude Code, Codex, OpenCode | 2 | 1,715 tok |
| starloghq/index starlog.dev Vet a package before your AI coding agent uses it — authoritative facts (CVEs, license, ma | 9 | Codex, GitHub Copilot, OpenCode | 2 | 172 tok |
| Juwon1405/agentic-dart findevil.devpost.com Agentic-DART — autonomous detection & response agent. Architecture-first, not prompt-first | 9 | Claude Code, Codex, OpenCode | 2 | 2,541 tok |
| gianlucamazza/mcp-ascii-charts MCP ASCII Charts tool | 9 | Claude Code | 1 | 832 tok |
| rexleimo/LoopForge os.rexai.top Open-source Agent OS in Rust for long-running autonomous workflows: memory, tool sandboxin | 9 | Codex, OpenCode | 1 | 453 tok |