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 |
|---|---|---|---|---|
| kansei-link/kansei-mcp-server npmjs.com Local-first MCP navigator for AI agents. 11,000+ SaaS services, 200 workflow recipes, 89-9 | 1 | Claude Code, Codex, OpenCode | 2 | 773 tok |
| jasonko/psquare-mcp Archived — moved to thehesiod/psquare-mcp (PyPI: parentsquare-mcp) | 1 | Claude Code, GitHub Copilot | 2 | 6,733 tok |
| jcc-ne/mcp-skill-server Claude-code like skills packages as a server | 1 | Claude Code | 2 | 710 tok |
| atriumn/tokencost-dev tokencost.dev LLM Pricing Oracle — MCP server with real pricing data from LiteLLM | 1 | Claude Code | 1 | 288 tok |
| johnanleitner1-Coder/lastminutedeals-api smithery.ai FOR SALE $8K — Production AI travel booking engine. 47 live suppliers, 18 countries, MCP s | 1 | Claude Code, Codex, OpenCode | 2 | 4,265 tok |
| jyswee/agenticmemory agenticmemory.ai Persistent memory for AI agents — conversation history, context, semantic search, queues. | 1 | Codex, OpenCode | 1 | 841 tok |
| jyswee/buggazi buggazi.ai Project management for coding agents: bugs, features, sprints, as easy as git. CLI + MCP s | 1 | Codex, OpenCode | 1 | 996 tok |
| jbeshir/mcp-servers MCP servers of mine, created mostly by AI with light review | 1 | Claude Code | 1 | 654 tok |
| joesaby/doctree-mcp | 1 | Claude Code | 4 | 1,650 tok |
| jordanburke/oura-ring-mcp-server | 1 | Claude Code | 1 | 1,208 tok |
| limey/cal-scheduler-mcp A timezone-correct CalDAV scheduling MCP server | 1 | Codex, OpenCode | 1 | 2,449 tok |
| koment-dev/koment koment.dev Out-of-band code annotations for AI agents and humans. Keeps the why next to the code with | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,937 tok |
| laibniz/scholarfetch A multi-engine researcher of academic papers, with CLI and MCP server. | 1 | Codex, OpenCode | 1 | 998 tok |
| ljcl/gaggiuino-mcp | 1 | Claude Code, Codex, OpenCode | 8 | 32,950 tok |
| loncadev/baron Platform-agnostic work-orchestration for AI coding agents — one pane of glass (issues, scm | 1 | Claude Code, Codex, OpenCode | 2 | 1,606 tok |
| kioie/memex Long-term memory for AI coding agents — local MCP server for Cursor & Claude. Remember pre | 1 | Codex, OpenCode | 1 | 2,112 tok |
| kioie/tiny-go-mcp-server Minimal Go MCP toolkit on the official go-sdk — stdio, HTTP, SSE; tools, resources, prompt | 1 | Codex, OpenCode | 1 | 1,088 tok |
| klarlabs-studio/coverctl klarlabs-studio.github.io Coverage feedback for AI coding agents — every language, every change. Domain-aware policy | 1 | Codex, OpenCode | 1 | 746 tok |
| kwizzlesurp10-ctrl/x402-mcp x402-mcp.onrender.com x402 USDC micropayments MCP + A2A storefront on Base — city compliance, agent discovery, p | 1 | Claude Code, Codex, OpenCode | 18 | 4,562 tok |
| visus-mcp/visus-mcp Security-first MCP tool. Sanitizes web content before it reaches your LLM. | 1 | Claude Code | 1 | 715 tok |
| living-hi/one-person-company-os Chinese-first control system for AI-native solo companies. | 1 | Claude Code, Codex, OpenCode | 2 | 854 tok |
| lu-zhengda/mcp-python-exec-sandbox pypi.org MCP server for sandboxed Python execution — bubblewrap on Linux, Docker on macOS. PEP 723 | 1 | Claude Code | 1 | 588 tok |
| malkreide/global-education-mcp MCP server for international education data – UNESCO UIS (4,000+ indicators) and OECD Educ | 1 | Claude Code | 3 | 5,805 tok |
| markoblogo/ID pypi.org Owner-controlled AI context: reviewed profiles, privacy-filtered exports, semantic diffs, | 1 | Codex, OpenCode | 1 | 268 tok |
| malkreide/eth-library-mcp MCP Server for ETH Library Zurich – Access 30M+ resources (books, maps, images, archives) | 1 | Claude Code | 3 | 8,829 tok |
| malkreide/swiss-culture-mcp MCP Server for Swiss Cultural Heritage Data (BAK) — ISOS, Living Traditions, Cultural Priz | 1 | Claude Code | 3 | 4,628 tok |
| malkreide/termdat-mcp MCP server for TERMDAT — official multilingual terminology of the Swiss Federal Administra | 1 | Claude Code | 3 | 6,734 tok |
| marras0914/agent-toolbelt | 1 | Claude Code | 1 | 3,978 tok |
| matematicsolutions/mcp-isap matematicsolutions.com MCP server for Polish legislation (Dziennik Ustaw + Monitor Polski) via Sejm ELI API. 96k+ | 1 | Claude Code, Codex, OpenCode | 3 | 1,277 tok |
| matematicsolutions/mcp-krs matematicsolutions.com MCP server for Polish KRS (Krajowy Rejestr Sadowy) via official, free Ministry of Justice | 1 | Claude Code, Codex, OpenCode | 3 | 1,021 tok |
| makz81/spendlog spendlog.dev MCP server for expense tracking. Track finances directly in Claude | 1 | Claude Code | 1 | 663 tok |
| malkreide/swiss-academic-libraries-mcp MCP server for Swiss academic libraries: swisscovery, e-rara, e-periodica, e-manuscripta | 1 | Claude Code | 3 | 18,659 tok |
| malkreide/swiss-courts-mcp MCP Server for Swiss court decisions via entscheidsuche.ch - BGer, BVGer, BStGer + 26 cant | 1 | Claude Code | 3 | 11,380 tok |
| malkreide/swiss-environment-mcp MCP server for Swiss environmental data – air quality (NABEL), hydrology, natural hazards | 1 | Claude Code | 3 | 14,825 tok |
| malkreide/swiss-road-mobility-mcp MCP Server for Swiss road mobility: shared vehicles, EV charging, DATEX II traffic & road | 1 | Claude Code | 3 | 6,483 tok |
| mapbox/mcp-docs-server Mapbox MCP Server for Documentation | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,331 tok |
| marras0914/cordon | 1 | Claude Code | 1 | 3,834 tok |
| martinfrasch/researchtwin researchtwin.net Federated platform for inter-agentic research discovery. Digital twins of researchers with | 1 | Claude Code | 1 | 590 tok |
| matematicsolutions/mcp-eu-sparql matematicsolutions.com MCP server for EU legislation and 57k+ CJEU rulings via the Publications Office SPARQL end | 1 | Claude Code, Codex, OpenCode | 3 | 1,536 tok |
| mleoca/ucn Universal Code Navigator | 1 | Claude Code | 1 | — |
| munhq/distil munhq.com Measure what context compression actually costs an LLM agent: where a session's tokens go, | 1 | Claude Code | 1 | 1,447 tok |
| mcpwright/edgar-mcp MCP server for SEC EDGAR — search filings, resolve issuers, and pull recent Reg CF (Form C | 1 | Claude Code | 3 | 934 tok |
| mordiaky/vouchspec vouchspec.plyrium.com Agent-only x402 service for signed exact-commit evidence on public Agent Skills | 1 | Codex, OpenCode | 1 | 169 tok |
| msenol/Gorev marketplace.visualstudio.com Modern task management system with Turkish support for MCP-compatible AI assistants (Claud | 1 | Claude Code, Codex, OpenCode | 2 | 3,112 tok |
| minhhq-a1/odoo-pulse An AI business analyst for your Odoo ERP — one-call reports with verdicts, over MCP | 1 | Claude Code, Codex, OpenCode | 2 | 2,477 tok |
| nolindnaidoo/urls-le letools.dev Extract every URL in a codebase, with its protocol and exact position | 1 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 8,276 tok |
| nolindnaidoo/string-le letools.dev Extract every string in a codebase, with its position, so a person can read them | 1 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 8,134 tok |
| panagot/Ai-Agents-Archive aiagentsarchive.com Paid handoff desk for AI agents — unlock sealed work to save tokens, or file a discovery a | 1 | Codex, OpenCode | 1 | 954 tok |
| DarkhorseOne/mcp-servers | 1 | Codex, OpenCode | 1 | 1,376 tok |
| nkiyohara/corresync corresync.org Local-first MCP server and CLI for email and calendars across Outlook, Gmail, Microsoft 36 | 1 | Codex, OpenCode | 1 | 1,205 tok |