44,996 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ReadyToGo-Education/fluxo_criativo | 18 | Claude Code, Codex, OpenCode | 6 | 23,770 tok |
| bezael/sdd-creator Genera specs siguiendo la metodología Spec-Driven Development de Dominicode (Bezael Pérez) | 18 | Claude Code, Codex, OpenCode | 2 | 2,825 tok |
| bbak/mcs-mcp Provide Monte-Carlo-Simulation and Flow Data diagnostics to AI Agents | 18 | Claude Code | 2 | — |
| Desko77/mcp-bsl-platform-help-context MCP server for the 1C platform API documentation, with strict BSL typing and coding standa | 18 | Claude Code | 1 | 2,223 tok |
| alifanov/scopegate scopegate.dev AI Access Proxy Layer — granular permission gateway for AI agents. Connect services, defin | 18 | Claude Code, Codex | 4 | 7,613 tok |
| abdullah1854/MCPGateway Open-source MCP server — progressive tool discovery, code execution, intelligent routing & | 18 | Claude Code, Codex, Cursor, OpenCode | 17 | 18 tok |
| Zandereins/schliff pypi.org Deterministic quality scorer for AI agent instruction files — 8-dimension scoring with sec | 18 | Codex, OpenCode | 1 | 1,073 tok |
| tfscharff/doi-mcp A Model Context Protocol (MCP) server that prevents citation hallucination by verifying ac | 18 | Claude Code | 1 | 1,922 tok |
| earonesty/boxpdf earonesty.github.io Tiny box-layout DSL over pdf-lib. Flexbox-lite for server-side PDF generation in Node, Clo | 18 | Codex, OpenCode | 1 | 148 tok |
| russwyte/slabby MCP server for Slab knowledge base integration with AI coding agents | 18 | Claude Code | 1 | 720 tok |
| gkastanis/drupal-workflow Claude Code plugin for Drupal development: 16 skills, 4 agents, 10 commands, and quality-g | 18 | Claude Code | 1 | 2,120 tok |
| ray-manaloto/notebooklm-claude-integration NotebookLM integration for Claude Desktop (MCP) and Claude Code (Plugin) - unified researc | 18 | Claude Code, Codex, OpenCode | 3 | 3,194 tok |
| tsanva/cc-discord-presence Discord Rich Presence for Claude Code - Show your session on Discord | 18 | Claude Code | 1 | 1,508 tok |
| nbplugins/NetbeansPluginClaudeCodeGui NetBeans plugin that provides a GUI for Claude Code CLI — run claude code sessions directl | 18 | Claude Code | 2 | 5,721 tok |
| kununu/agent-bridge This skill accommodates Agent-to-Agent communitcation: e.g. Codex asking Claude for a revi | 18 | Codex, OpenCode | 1 | 139 tok |
| XBP-Europe/sagemath-mcp pypi.org Stateful SageMath MCP server: 40 tools for symbolic math, algebra, number theory, graphs, | 18 | Claude Code, Codex, OpenCode | 2 | 5,633 tok |
| AndyShaman/telegram-business-bridge ai-handler.com Connect any AI agent to your personal Telegram via the official Business API — no userbot, | 18 | Claude Code, Codex, OpenCode | 2 | 2,255 tok |
| liujuanjuan1984/codex-a2a Expose Codex through A2A with an inbound server surface and embedded outbound client. | 18 | Codex, OpenCode | 1 | 1,097 tok |
| tene-ai/tene tene.sh AI-safe secret manager CLI for Claude Code, Cursor, and other AI agents. Local-first, encr | 18 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,109 tok |
| yelmuratoff/agent_sync One source of truth for your AI coding rules. AgentSync generates them for 14 tools in eac | 18 | Claude Code, Codex | 13 | — |
| Laotree/verify-networking-plugin Network check before Claude Code starts — DNS, exit IP region, and TCP connectivity with � | 18 | Claude Code | 1 | 1,740 tok |
| Azure-Samples/APIM-Unified-AI-Gateway-Sample | 18 | GitHub Copilot | 4 | 7,459 tok |
| denn-gubsky/loomcycle loomcycle.dev The runtime substrate for agentic systems — one Go binary, six LLM providers, MCP-native, | 18 | Claude Code | 1 | 13,583 tok |
| twells89/sigma-migration-skills Claude Code plugin marketplace: migrate Tableau / Power BI / Qlik to Sigma (converter + as | 18 | Codex, OpenCode | 1 | 3,833 tok |
| marcoemrich/EXACT-Coding-Exercises Exercise repo for the EXACT Coding workshop -- Example-guided, AI-Collaborative & Test-dr | 18 | Claude Code | 10 | — |
| remsky/comic-chat-web comics.remsky.art Modern port of Microsoft Comic Chat 1996 on Cloudflare Durable Objects || Create custom st | 18 | Claude Code, Codex, OpenCode | 2 | 1,296 tok |
| Neeeophytee/ai-watermarks-reality-check Test what AI watermark and provenance evidence exists, whether it verifies, and what survi | 18 | Codex, OpenCode | 1 | 652 tok |
| context4ai/agent-graph context4ai.org Graph Engineering for Agent Skills: a specification and toolchain for dynamically discover | 18 | Codex, OpenCode | 1 | 442 tok |
| codybrom/clairvoyance clairvoyance.fyi ESP for AI Coding — Agent skills on the philosophy on software design, grounded in decades | 18 | Codex, OpenCode | 1 | 659 tok |
| zhitongblog/unterm unterm.app The terminal AI agents can drive — and the cockpit to run them from. 151 MCP methods, agen | 18 | Claude Code | 1 | 1,927 tok |
| Magnus-Gille/noxctl npmjs.com CLI and MCP server for Fortnox — invoices, bookkeeping, VAT, payroll, and automation | 18 | Claude Code | 1 | 747 tok |
| sandraschi/qcad-mcp fastmcp 3.4 server plus webapp for qcad pro architectural cad | 18 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 744 tok |
| alxpark/propresenter-mcp ProPresenter 7 MCP Server | 18 | GitHub Copilot | 1 | 161 tok |
| lennyzeltser/mcp-expertise-toolkit Turn domain expertise into AI-accessible MCP servers | 18 | Codex, OpenCode | 1 | 58 tok |
| Athroniaeth/piighost piighost.dev Reversible PII masking for LLM agents: piighost replaces personal data with placeholders b | 18 | Claude Code | 2 | — |
| jmagly/kintsugi-usb AI-assisted rescue boot USB — a Ventoy multi-boot drive on Ubuntu 24.04 with offline LLM i | 18 | Claude Code, Codex, OpenCode | 21 | 3,014 tok |
| tf1993614/Know-your-fate Mingshu Tianwen is an open-source AI fortune-telling application combining Claude Code Age | 18 | Claude Code | 23 | 5,429 tok |
| b3rys/b3rys-team-os An AI team that stays on my Mac. Assign work through Telegram or Slack, and it decides who | 18 | Claude Code | 1 | 383 tok |
| lance0/nbox crates.io Terminal UI, CLI, and MCP server for NetBox — fast search, IPAM lookups, and device contex | 18 | Codex, OpenCode | 1 | 5,575 tok |
| SolaceProducts/solace-broker-mcp Production MCP server for the Solace broker | 18 | Claude Code, GitHub Copilot | 9 | 1,175 tok |
| davidmosiah/samsung-health-mcp wellness.delx.ai Unofficial local-first MCP server for Samsung Health personal-data CSV/ZIP exports. | 18 | Codex, OpenCode | 1 | 162 tok |
| G-Research/bobbit Agent workforce manager for product owners | 18 | Claude Code, Codex, OpenCode | 12 | 1,618 tok |
| aporb/agentic-os A minimal, opinionated template for turning any AI agent CLI into a persistent operating s | 18 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,326 tok |
| faborsky/sklik-ppc-app CLI pro správu kampaní v Seznam Sklik přes API Drak a Fénix. Pro marketéry a agentury, kte | 18 | Claude Code | 1 | 4,986 tok |
| visusnet/trade-republic-mcp-server MCP server for Trade Republic – enables AI assistants to trade assets, check balances, and | 18 | Claude Code | 3 | 1,241 tok |
| DoRmAmMu1997/My-Algo-Trading-Code Python algorithmic trading suite: signal generators, backtests, and a multithreaded paper- | 18 | Claude Code, Codex, OpenCode | 2 | 14,138 tok |
| tallclub/matimo matimo.dev Policy-governed tool execution for AI agents. One YAML tool definition for Python, TypeScr | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 13,898 tok |
| maxkuminov/obsidian-mcp Self-hosted MCP server for Obsidian: semantic + full-text search, wikilink graph, note CRU | 18 | Claude Code, Codex, OpenCode | 2 | 15,573 tok |
| ietf-wg-acme/draft-ietf-acme-dns-persist ietf-wg-acme.github.io | 18 | Codex, GitHub Copilot, OpenCode | 2 | 3,775 tok |
| arjitj2/skillindex skillindex.app Keep your AI setup aligned across every agent, 100% locally. | 18 | Codex | 1 | — |