43,750 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| YonasValentin/mcp-memory-graph npmjs.com Local-first memory for Claude Code and any MCP client: hybrid search + knowledge graph in | 2 | Claude Code | 1 | — |
| addozhang/nexus-mcp-server MCP server for Sonatype Nexus Repository - Query Maven, Python, and Docker artifacts via H | 2 | Codex, OpenCode | 1 | 937 tok |
| baalimago/slivingdoc slivingdoc.dev Distributed living document with conflic management via git for agentic workloads | 2 | Codex, OpenCode | 1 | 5,986 tok |
| Nishant-Chaudhary5338/mcp-code-indexer npmjs.com Index any TypeScript/React repo (incl. monorepos) into a queryable code graph — npx CLI, H | 2 | Claude Code | 1 | 1,376 tok |
| askads/mcp-yandex-metrica npmjs.com MCP server for Yandex Metrica — web analytics (traffic, sources, behavior, goal conversion | 2 | Claude Code | 1 | 1,691 tok |
| sandraschi/demo-vid-mcp Fleet demo video pipeline — narrated walkthroughs synced to true speech length, with real | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 779 tok |
| crunchtools/mcp-gitlab Secure MCP server for GitLab projects, merge requests, issues, pipelines, and search | 2 | Claude Code | 1 | 857 tok |
| cyanheads/faostat-mcp-server npmjs.com Global food & agriculture statistics from the UN FAOSTAT bulk-download corpus, served from | 2 | Claude Code, Codex, OpenCode | 2 | 15,828 tok |
| cyanheads/devops-status-mcp-server npmjs.com Check vendor status pages, inspect SSL/TLS certificates, verify DNS propagation, and get i | 2 | Claude Code, Codex, OpenCode | 2 | 14,214 tok |
| cyanheads/clipboard-mcp-server npmjs.com System clipboard access for MCP clients | 2 | Claude Code, Codex, OpenCode | 2 | 6,298 tok |
| danafitkowski/cpp-cpm-engine mcp.criticalpathpartners.ca Forensically-defensible CPM engine. AACE-canonical. Daubert-disclosed. Bit-identical JS<-> | 2 | Claude Code | 1 | 1,668 tok |
| dockndevai/mcp-clickhouse dockndevai.github.io MCP server for ClickHouse — explore, query, and manage with SQL-classification-based secur | 2 | Claude Code | 1 | — |
| fr33dr4g0n/agentry-public agentry.sh Agentry MCP and Claude plugin/skill for agent-native analytics, error logging, and deploy | 2 | Claude Code | 1 | 522 tok |
| ex3lite/mcp_rzd_tickets | 2 | Codex, OpenCode | 1 | 115 tok |
| guillem/stallhunt Linux-first command-line performance triage | 2 | Codex, OpenCode | 1 | 1,984 tok |
| george-bobby/mcp-modal The MCP control plane for Modal | 2 | Claude Code | 1 | 4,010 tok |
| gregario/hearthstone-oracle Hearthstone MCP server with card search, deck analysis, and strategy coaching | 2 | Claude Code | 1 | 654 tok |
| hrtips/cvx CVX — structured input, professional output. YAML in, designed CV PDFs out, entirely on yo | 2 | Claude Code | 5 | — |
| kindrat86/agentmail sanctionsai.dev Compliance & verification toolkit for AI agents — OFAC sanctions screen, KYA, transaction | 2 | Claude Code | 1 | 658 tok |
| keel-trade/keel-trade usekeel.io Keel — CLI and MCP server for AI-driven crypto strategy development on Hyperliquid | 2 | Codex, OpenCode | 1 | 3,332 tok |
| matematicsolutions/kio-orzeczenia-mcp matematicsolutions.com MCP server for Polish public-procurement case law (National Appeals Chamber, KIO) via orze | 2 | Claude Code | 1 | — |
| mahabubul470/gpp mahabubul470.github.io AI-native version control in Rust — continuous capture, encrypted knowledge graph, agent g | 2 | Claude Code | 1 | 2,003 tok |
| mlorentedev/pdf-modifier-mcp MCP server + CLI for PDF text replacement with font style preservation | 2 | Codex, OpenCode | 1 | 2,152 tok |
| noclickapp/noclick noclick.com Build agents to automate any background task; works with your ChatGPT/Claude subscription. | 2 | Claude Code, Codex, OpenCode | 7 | 2,301 tok |
| pijusz/mcp-gsc Google Search Console MCP server — query performance, sitemaps, indexing & more via natura | 2 | Claude Code, Codex, OpenCode | 2 | 1,181 tok |
| questdb/mcp-server-questdb questdb.com QuestDB MCP server connects coding agents to a running QuestDB Web Console. The agent gets | 2 | Claude Code | 1 | — |
| sandraschi/overte-mcp Overte (classic Vircadia-lineage) MCP server + dashboard for domain admin and entity orche | 2 | Codex, Cursor, OpenCode | 2 | 606 tok |
| sluyasu/OpenInsurance sluyasu.github.io A brain for a country's insurance market: a self-sufficient, open-source, country-agnostic | 2 | Claude Code | 1 | 1,305 tok |
| sseshachala/agent-booster conductai.ai Agent Booster — MCP server that reduces Claude token usage 60-90% via symbol-aware code se | 2 | Claude Code | 6 | 136 tok |
| tufantunc/axiom-advanced-math-mcp npmjs.com Exact symbolic math for LLMs: integrals, equations, matrices, and claim verification via G | 2 | Codex, OpenCode | 1 | 1,272 tok |
| Cleo-Labs-IA/skills_library cleolabs.co Comply — All-in-one compliance skills library for AI coding agents. 12 production-grade sk | 2 | Claude Code | 1 | 3,824 tok |
| cryptographer11/cryptoscholar Crypto technical analysis MCP server powered by Claude AI | 2 | Claude Code | 1 | 1,363 tok |
| Catfish-75/claw-task-hub Local-first, Linear-like task hub for AI agents and agentic harnesses | 2 | Codex, OpenCode | 1 | 472 tok |
| ssheleg/sheleg-design-skill skills.sshlg.me Visual-system skill for coding agents: a library of locked style packs, design tokens, cin | 2 | Codex, OpenCode | 1 | 27 tok |
| SenMuShare/senmu-buildos AI-native BuildOS for Codex, Claude Code, Doubao, WorkBuddy and ZCode: product discovery, | 2 | Codex, OpenCode | 1 | 401 tok |
| govza/mlo-mcp | 2 | Claude Code | 1 | 163 tok |
| WhiteMuush/Your-Claude-DevOps Ready-to-use Claude Code configuration for Dev and Ops work: global rules, 29 skills, hook | 2 | Claude Code | 1 | 888 tok |
| KhaiTrang1995/claude-code-structure A ready-to-use Claude Code project scaffold — rules, commands, skills, agents, and hooks i | 2 | Claude Code | 2 | 149 tok |
| ddalgrande/dining-places-skill Agent Skill that turns your Google Maps saved places into a personal dining knowledge base | 2 | Claude Code, Codex, OpenCode | 2 | 555 tok |
| adityaarakeri/senior-agent-skills adityaarakeri.github.io Eight portable SKILL.md playbooks that make coding agents work like careful senior enginee | 2 | Codex, OpenCode | 1 | 487 tok |
| equinor/fusion-skills Fusion repo for agent skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 5,529 tok |
| RandyNorthrup/high-quality-projects-skill Vendor-neutral project discovery, feature delivery, and quality retrofit. Scan and enhance | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,824 tok |
| Fandhe-AI/agent-cli-skills | 2 | Claude Code, Codex, OpenCode | 9 | 8,413 tok |
| coval-ai/mcp-server coval.dev MCP server for Coval that enables AI assistants to launch evaluations, manage test sets, a | 2 | Codex, OpenCode | 1 | 895 tok |
| b-mendoza/agent-skills A collection of reusable skills for AI-assisted development workflows | 2 | Claude Code, Codex, OpenCode | 2 | 1,237 tok |
| MECoban/garmin-ai-coach Fully automated self-hosted AI marathon coach from Garmin Connect (Cloudflare-bypass auth, | 2 | Codex, OpenCode | 1 | 466 tok |
| DespotB/handelsregister-cli Search the German commercial register (Handelsregister) and download all registry document | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,057 tok |
| gzb1128/opencode-plugin A CLI tool that brings the Claude Code plugin marketplace ecosystem to OpenCode — install, | 2 | Codex, OpenCode | 1 | 1,823 tok |
| ventusff/claude-model-guard 🚨 Claude Code statusline plugin that catches silent model downgrades — theme-proof full-w | 2 | Claude Code, Codex, OpenCode | 2 | 2,167 tok |
| avanturer/claude-bestpractice Enforcement, memory and parallel-session coordination for Claude Code. The Stop gate runs | 2 | Claude Code | 1 | — |