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 |
|---|---|---|---|---|
| theYahia/vk-mcp npmjs.com MCP server for VKontakte — wall posts, news, users, groups (Russia) | 1 | Claude Code | 1 | — |
| stevologic/security-recipes.ai security-recipes.ai Turn security findings into bounded agent work: one recipe, scoped context, required proof | 1 | Codex, GitHub Copilot, OpenCode | 5 | 758 tok |
| theYahia/pochta-russia-mcp npmjs.com MCP server for Russian Post — tracking, tariffs, post offices (Russia) | 1 | Claude Code | 3 | — |
| theYahia/sber-mcp npmjs.com MCP server for Sberbank — business accounts, statements, transfers (Russia) | 1 | Claude Code | 1 | — |
| stepankaiser/ccphoto Bridge your phone camera to Claude Code over the local network | 1 | Claude Code | 1 | 883 tok |
| symbo-ls/symbols-mcp MCP server for Symbols/DOMQL v3 — documentation search and framework reference | 1 | Claude Code, Codex, OpenCode | 2 | 1,818 tok |
| tactual-dev/tactual tactual.sh Screen-reader navigation cost analyzer — models the real effort to discover, reach, and op | 1 | GitHub Copilot | 1 | 903 tok |
| theYahia/bitrix24-mcp npmjs.com MCP server for Bitrix24 — CRM, deals, contacts, tasks (Russia) | 1 | Claude Code | 1 | — |
| theYahia/cbr-mcp npmjs.com MCP server for Central Bank of Russia — currency rates, key rate, metals (Russia) | 1 | Claude Code | 5 | — |
| theYahia/huntflow-mcp npmjs.com MCP server for Huntflow — ATS, vacancies, candidates, recruiting (Russia) | 1 | Claude Code | 1 | — |
| theYahia/kaiten-mcp npmjs.com MCP server for Kaiten — kanban boards, cards, project management (Russia). Part of WWmcp — | 1 | Claude Code | 1 | — |
| theYahia/robokassa-mcp MCP server for Robokassa — payment links, invoice management (Russia) | 1 | Claude Code | 1 | — |
| theYahia/salutespeech-mcp npmjs.com MCP server for SaluteSpeech — speech recognition and synthesis (Russia). Part of WWmcp — 4 | 1 | Claude Code | 1 | — |
| steveardis/omnifocus-mcp | 1 | Claude Code | 22 | — |
| subsquid-labs/portal-mcp-server sqd.dev MCP server exposing SQD Portal blockchain data to AI agents and Claude. | 1 | Codex, OpenCode | 1 | 620 tok |
| sudohnim/eidolon | 1 | Claude Code | 1 | 8,941 tok |
| sugukurukabe/japan-real-estate-intel-mcp MCP for Japanese real estate investment, brokerage, and development — cross-analyzes land | 1 | Claude Code, Codex | 2 | — |
| syuaibsyuaib/ssyubix-pixelart-mcp | 1 | Codex, OpenCode | 1 | 2,171 tok |
| tambo-labs/charming-mcp usecharming.com Charming MCP server — generate and host interactive web apps via MCP | 1 | Codex, Gemini CLI, OpenCode | 2 | 2,759 tok |
| verygoodplugins/mcp-pirsch A Model Context Protocol (MCP) server for Pirsch Analytics, enabling natural language anal | 1 | Claude Code, Codex, OpenCode | 2 | 252 tok |
| ufhouck/aicost | 1 | Claude Code, Codex | 1 | — |
| verifyax/verifyax-mcp verifyax.com MCP server and typed SDK for the VerifyAX agent-evaluation platform. | 1 | Claude Code | 1 | 3,235 tok |
| toolwright-adk/toolwright-monorepo | 1 | Codex, OpenCode | 1 | 1,222 tok |
| vdmeu/registrum-mcp MCP server for the Registrum Companies House API | 1 | Claude Code | 1 | 766 tok |
| tickadoo/tickadoo-mcp tickadoo-mcp.vercel.app MCP server for tickadoo® — discover and book theatre, events & experiences in 1,100+ citie | 1 | Claude Code, Codex, OpenCode | 4 | 4,165 tok |
| usemycontext/claude-code-plugin usemycontext.ai UseMyContext plugin for Claude Code - your personal context layer for AI, read over MCP in | 1 | Claude Code, Codex, OpenCode | 1 | 814 tok |
| threadlinqs-cmd/Threadlinqs-Security-Detection-MCP Unified Detection Engineering Platform — 7,283+ detections across Sigma, Splunk ESCU, Elas | 1 | Claude Code, Cursor | 15 | — |
| tombaldwin/ebman poly.io k9s-style TUI for AWS Elastic Beanstalk | 1 | Claude Code | 1 | 4,529 tok |
| genyk1p/learning-hub-mcp MCP server for student learning workflow — grades, homework, bonus tasks, and game time re | 1 | Codex, OpenCode | 1 | 317 tok |
| topness-msft/callwright An MCP server that places real phone calls — reservations, appointments, inquiries — on yo | 1 | Claude Code, GitHub Copilot | 2 | 1,472 tok |
| tsilva/mcp-openrouter pypi.org 🚀 One MCP server for OpenRouter models 🚀 | 1 | Claude Code, Codex, OpenCode | 2 | 600 tok |
| us-all/mlflow-mcp-server MLflow MCP server — experiments, runs, registered models, model versions, logged models (v | 1 | Claude Code | 1 | 3,898 tok |
| wearehoust/front-mcp Secure MCP server for Front.com: search conversations, manage contacts, send messages, aut | 1 | Claude Code, Codex, OpenCode | 2 | 2,125 tok |
| wesseltl/pdf-mcp wesseltl.github.io MCP server that lets AI agents extract text and tables from PDFs: invoices, reports, state | 1 | Codex, OpenCode | 1 | 720 tok |
| xkumakichi/xaip-protocol xkumakichi.github.io Provider-neutral execution evidence for AI agent tool calls — co-signed execution receipts | 1 | Codex, OpenCode | 1 | 746 tok |
| vk0dev/code-impact-mcp Dependency graph, blast-radius analysis, and pre-commit safety gates for AI coding agents. | 1 | Claude Code | 1 | 390 tok |
| wedsamuel1230/electronic-mcp-server | 1 | Claude Code, Codex | 43 | — |
| wishfinity/wishfinity-mcp-plusw | 1 | Claude Code | 1 | 1,525 tok |
| xenarch-ai/xenarch-mcp x402 MCP server for AI agent payments. Gasless USDC micropayments on Base L2. Claude, Curs | 1 | Claude Code | 1 | 445 tok |
| victorlane/Flyan Unofficial Python SDK and MCP server for Ryanair flight search. | 1 | Codex, OpenCode | 1 | 1,898 tok |
| vinaybhosle/agentstamp 🔏 Trust verification for AI agents — Ed25519 stamps, trust scoring (0-100), x402 micropay | 1 | Claude Code | 1 | 611 tok |
| virgilvox/discord-furlow Discord bot orchestration using yaml and prebuilt components | 1 | Claude Code | 1 | 1,185 tok |
| withinfocus/tba-mcp-server MCP server for The Blue Alliance. | 1 | Claude Code | 1 | 2,463 tok |
| wkalidev/multichain-mcp multichain-mcp.vercel.app MCP server for AI agents — Stacks, Celo, Base in one package | 1 | Claude Code | 1 | — |
| x51xxx/kimi-mcp-server MCP server bridging Claude Code / Cursor / any MCP client to Moonshot AI's Kimi Code CLI. | 1 | Claude Code, Codex, OpenCode | 2 | 1,628 tok |
| koshikraj/logr logr.it Just logr it | 1 | Codex, OpenCode | 1 | 74 tok |
| thetangstr/clockchain-developer-tools mcp.clockchain.network Hosted MCP server for Clockchain — consensus time, notarization & agent-attested receipts. | 1 | Codex, OpenCode | 1 | 690 tok |
| paoloricciuti/letmediff letmediff.it Monorepo for the letmediff MCP Server + WebAPP | 1 | Claude Code | 2 | — |
| ymuichiro/yahoo-shopping-mcp non-official-yahoo-shopping-mcp.notelligent.app Remote MCP server for Yahoo Shopping searches | 1 | Codex, OpenCode | 1 | 1,712 tok |
| ysydhc/team_memory A team experience database based on the MCP protocol. Automatically extracts, stores, and | 1 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,511 tok |