43,786 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 agents7,720Claude Code6,662Data and AI3,665Backend and APIs3,500Languages3,396Planning3,238Git and workflow3,234Code review2,760Testing2,394Memory and context2,365Writing and docs2,333DevOps and cloud2,315Research2,289Frontend2,264Security2,036Project management1,736
All Claude Code31,986 Codex23,463 OpenCode22,407 GitHub Copilot3,565 Gemini CLI1,914 Cursor1,740 Windsurf150 Kiro84
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| StandarterDF/TelegramMCP | 1 | Codex, OpenCode | 1 | 1,787 tok |
| ubbcou/system-command-mcp Cross-platform structured system command MCP for Codex and DSH | 1 | Codex, OpenCode | 1 | 143 tok |
| whchoi98/seoul-opendata-mcp | 1 | Claude Code | 13 | 913 tok |
| tsvikas/amazing-marvin-mcp Unofficial MCP server for Amazing Marvin | 1 | Claude Code | 1 | 847 tok |
| doctormacky/okf-mcp | 1 | Claude Code, Codex | 5 | — |
| EvilFreelancer/zaezd Zaezd — a trip engine that starts with a reason to travel: a conference on your topic beco | 1 | Claude Code, Codex, OpenCode | 2 | 1,545 tok |
| starSumi/sumi-docs starsumi.github.io Human and machine-readable documentation for people and AI agents | 1 | Claude Code, Codex, OpenCode | 5 | 935 tok |
| rez-f/aws-devops-study-kb Self-hosted memo knowledge base your AI agents (Claude, OpenWebUI, MCP/OpenAPI bots) write | 1 | Claude Code | 1 | 2,007 tok |
| karenrebecag/PowerAutomate_MCP Local MCP server for personal Power Automate cloud flows — your own account, no admin cons | 1 | Claude Code | 1 | 666 tok |
| Todo4Agent/Todo4Agent todo4agent.github.io An MCP task list designed for agents, with a UI interface. | 1 | Codex, OpenCode | 1 | 261 tok |
| GuionAI/web A web research toolkit with multi-provider search and clean Markdown extraction from stati | 1 | Codex, OpenCode | 1 | 343 tok |
| jasongilman/mcp-eval-demo Demonstrates using evaluations to test an agent's ability to effectively use an MCP Server | 1 | Claude Code | 1 | 1,404 tok |
| gonzalonicolasr/cortexmem cortexmem.com Local-first persistent memory for AI coding agents — MCP server + HTTP API, SQLite on your | 1 | Claude Code | 1 | 372 tok |
| sandraschi/substack-mcp FastMCP 3.1+ Model Context Protocol (MCP) server & SOTA React webapp dashboard for Substac | 1 | Claude Code, Codex, OpenCode | 2 | 737 tok |
| wvuhskr/mcp-microsoft-ads Unofficial safety-first MCP server for the Microsoft Advertising API | 1 | Claude Code | 1 | 795 tok |
| npcworkspace-cmyk/eric-task-master npctech.site Durable Playwright + Chrome task runner for AI agents: one-file jobs, persistent Profiles, | 1 | Codex, OpenCode | 1 | 309 tok |
| Villarley/cursor-mcp-server MCP server that delegates all code writing to Cursor Composer 2 / Grok 4.5, so an orchestr | 1 | Claude Code | 1 | 375 tok |
| sandraschi/stripe-mcp FastMCP 3.4+ server & SOTA React Webapp for Stripe payment operations, SaaS billing, subsc | 1 | Claude Code, Codex, Cursor, OpenCode | 3 | 740 tok |
| YansIlinta/video-agent-runtime Agent-native, headless video editing runtime: durable edit IR, approval-gated workflow, CL | 1 | Codex, OpenCode | 1 | 1,354 tok |
| 13030109506/project-files-readonly-mcp A bounded, multi-root, read-only MCP server for local project files on Windows. | 1 | Codex, OpenCode | 1 | 290 tok |
| khajaaijaz26/agent-demo-studio Plan-first local MCP, CLI, and Studio for AI agents to record demos and create launches, c | 1 | Claude Code, Codex, OpenCode | 2 | 651 tok |
| RedReplier/agent redreplier.com Give your AI agent Reddit monitoring — track keyword mentions of your product, triage AI-s | 1 | Gemini CLI | 1 | 221 tok |
| LOsioChico/mdingest mdingest.knightker.workers.dev Ingest blog/article/newsletter pages (Medium, Dev.to, Substack) to clean Markdown for LLMs | 1 | Codex, OpenCode | 1 | 9,416 tok |
| trading-a/ai_ths_moni_trading_mcp A Tonghuashun web simulated trading wrapper exposed as an MCP service. | 1 | Claude Code | 1 | 2,254 tok |
| kieksme/mcp-listmonk Covers the full api of listmonk | 1 | Codex, OpenCode | 1 | 136 tok |
| alexneargarder/unity-inspector-mcp MCP server that lets AI agents inspect and control a running copy of Broforce through the | 1 | Claude Code | 1 | 1,758 tok |
| P4rthPat3l/sheetcraft-mcp npmjs.com Google Sheets for AI agents. 34-tool MCP server + CLI with token-efficient reads, teaching | 1 | Codex, OpenCode | 1 | 2,898 tok |
| JulieElkinsAWS/psychometrics-mcp Classical test theory, differential item functioning, local item dependence and standard s | 1 | Claude Code | 1 | 6,023 tok |
| dostertags/sii TypeScript core + CLI + MCP server automating Chile's tax authority (SII). 1,178 hermetic | 1 | Claude Code | 1 | 1,002 tok |
| congtuuit/knowledge-mcp | 1 | Gemini CLI | 1 | 115 tok |
| paceaitian/google-health-chatgpt-selfhost Self-hosted single-user read-only Google Health MCP connector for private ChatGPT Develope | 1 | Codex, OpenCode | 1 | 347 tok |
| avivancos/open-english OLCP - a portable MCP server that owns identity, curriculum and the learner model, while a | 1 | Claude Code, Codex, OpenCode | 8 | 2,863 tok |
| kyoungjongkil/fileanalyzer_mcp_testmonial A FastMCP-based test suite for reading and analyzing specific local files. | 1 | Claude Code, Codex, OpenCode | 2 | 3,153 tok |
| TianlinglingOvO/MoneyManager SMB (Sutady Moneybook) - A personal bookkeeping system based on SQLite and MCP | 1 | Codex, OpenCode | 1 | 2,459 tok |
| brettdavies/sounding-webmcp-demo sounding.brettdavies.workers.dev Audit patient for the anc.dev WebMCP challenge. | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 81 tok |
| YanxReal/Xcode-MPC Professional MCP Server for Xcode — 52 tools + 5 Skills (xcodebuild, simctl, Assets.xcasse | 1 | Codex, OpenCode | 1 | 2,107 tok |
| FTWAgency/wpconvert-devtools wpconvert.ai Open-source CLI, MCP server, and API examples for WPConvert.ai | 1 | Claude Code, Codex, OpenCode | 2 | 418 tok |
| lovecatisgood-sudo/AI_Agent_MCP_Tool_for_Multi_Docu_PDF_PNG_QR_File_Conversion_Processing_Capability djai.academy Free local-first MCP server giving AI agents private token, RAG, context, CSV/JSON and QR | 1 | Codex, OpenCode | 1 | 173 tok |
| abhi-ramtel/mcp-overleaf-server This is used to apply for jobs and generate a ATS optimized resume. | 1 | Claude Code | 1 | — |
| Considus/proton-bridge-mcp considus.com Local MCP server for Proton Mail via Proton Mail Bridge. Read, organise and gated-send acc | 1 | Codex, OpenCode | 1 | 1,340 tok |
| royashbrook/lifescored You are already a number. Every rule cited, every weight editable. | 1 | Claude Code, Codex, OpenCode | 2 | 941 tok |
| Atypical-Consulting/AdrMcp atypical-consulting.github.io Architectural Decision Records over MCP — search, author, validate, link, and trace decisi | 1 | Claude Code | 4 | 1,114 tok |
| hlsitechio/Omarchy-4-AI-Agent-MCP MCP server that gives any LLM full control over an Omarchy Linux desktop — themes, tiling, | 1 | Codex, OpenCode | 1 | 1,700 tok |
| saeedshoh/minio-mcp-server MCP server exposing MinIO/S3 object storage operations (list, read, write, delete, presign | 1 | Claude Code | 1 | 538 tok |
| zse4321/decision-anchor-sdk | 1 | Codex, OpenCode | 1 | 6,236 tok |
| J8k3/aws-payment-cryptography-mcp jacobmarks.com MCP server for AWS Payment Cryptography — key lifecycle, HSM migration analysis, and PCI-a | 1 | Claude Code, Codex, OpenCode | 2 | 4,345 tok |
| Treevu-ai/cli-market-world cli-market.dev Cost-of-Living OS for LatAm — market optimize: basket compare, TCO, substitutes, action li | 1 | Claude Code, Codex, OpenCode | 8 | 4,773 tok |
| TranQui004/signalint tranqui004.github.io MCP server for compact, cached, loop-aware JavaScript and TypeScript diagnostics | 1 | Codex, OpenCode | 1 | 1,307 tok |
| ariekogan/ateam-mcp ADAS MCP Server — build, validate, and deploy multi-agent solutions from any AI environmen | 1 | GitHub Copilot | 1 | — |
| ar-agents/ar-agents ar-agents.ar Open infrastructure for Argentina's sociedades de IA (AI-operated companies, draft General | 1 | Claude Code, Codex, OpenCode | 2 | 253 tok |