45,053 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| echojobsio/jdl-mcp-server MCP server for JobDataLake — search 1M+ enriched job listings from AI tools | 2 | Claude Code | 1 | 98 tok |
| derjochenmeyer/claude-code-craft-statusline A carefully crafted Claude Code statusline, written in bash, with minimal design and requi | 2 | Claude Code | 1 | 1,426 tok |
| davidmosiah/google-ads-intent-mcp Dry-run-first Google Ads search-term intent analyzer and negative-keyword MCP for agents. | 2 | Codex, OpenCode | 1 | 167 tok |
| danielscholl/backlog-manager-mcp Play project for MCP Server Learning | 2 | Claude Code | 2 | 213 tok |
| gregario/onepiece-oracle One Piece TCG MCP server — card search, deck analysis, and set browsing for the One Piece | 2 | Claude Code | 9 | 171 tok |
| koki-develop/esa-mcp-server A Model Context Protocol (MCP) server for esa.io | 2 | Claude Code | 2 | 705 tok |
| lm203688/aishield aishield.ai 🛡️ Agent-native AI tool security scanner. Scan MCP/Skill/GPT/Prompt for security risks. 4 | 2 | Claude Code, Codex, OpenCode | 2 | 3,994 tok |
| hshintelligence/agent-scrape agent-scrape.healingsunhaven.workers.dev Pay-per-call web scraping for AI agents — no signup, no API keys, just USDC. x402-monetize | 2 | Codex, OpenCode | 1 | 360 tok |
| livevariant/livevariant livevariant.com Open-source adaptive A/B testing where the whole test lives in a URL: no accounts, no API | 2 | Claude Code, Codex, OpenCode | 3 | 5,653 tok |
| eralpozcan/vision-squeezer visionsqueezer.com LLM-native image optimization MCP server | 2 | Claude Code, Codex, OpenCode | 2 | 2,280 tok |
| joshrotenberg/hexpm-mcp hexpm-mcp.hexdocs.pm MCP server for querying hex.pm and hexdocs.pm | 2 | Claude Code | 1 | 5,509 tok |
| matematicsolutions/mcp-saos matematicsolutions.com MCP server for Polish common and Supreme Court case law via the SAOS API - verifiable cita | 2 | Claude Code, Codex, OpenCode | 3 | 1,314 tok |
| krulewis/tokencast Claude Code skill that estimates token and dollar costs for planned agent tasks before exe | 2 | Claude Code | 7 | 1,446 tok |
| madamak/apache-airflow-mcp-server pypi.org Independent incident-response MCP server for Apache Airflow: diagnose failed DAGs from UI | 2 | Codex, OpenCode | 1 | 1,534 tok |
| ndjordjevic/pinrag A powerful RAG (Retrieval-Augmented Generation) system built with LangChain, designed as a | 2 | Claude Code, Cursor | 4 | — |
| neturely/okffs okffs.g2mk.dev okffs is a Model Context Protocol server for GitHub. Create and manage GitHub issues and p | 2 | Claude Code, GitHub Copilot | 3 | 15,160 tok |
| laffeyp/cascade-img greenrosesystems.com MCP server for LLM-operable Midjourney image generation — compose, generate, inspect with | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,467 tok |
| malkreide/sbb-opendata-mcp MCP server for Swiss Federal Railways (SBB) open data — passenger frequency, live disrupti | 2 | Claude Code | 3 | 5,431 tok |
| marcelo-ochoa/servers modelcontextprotocol.io Model Context Protocol Servers | 2 | Claude Code, GitHub Copilot | 2 | 2,265 tok |
| mirnoorata/codexa Codex-native codebase intelligence: deterministic repo context, change-plan drift review, | 2 | Claude Code, Codex, OpenCode | 1 | 635 tok |
| nazar256/memheaven nazar256.github.io Self-hosted, searchable remote MCP memory server you own for ChatGPT and AI agents on Clou | 2 | Codex, OpenCode | 1 | 239 tok |
| neo4j-labs/neo4j-mcp-canary canary fork of the official neo4j MCP server | 2 | Codex, OpenCode | 1 | 2,668 tok |
| nerfels/mind-map Model Context Protocol (MCP) server that provides intelligent project analysis and learnin | 2 | Claude Code | 4 | 3,427 tok |
| kaneg/k8s-mcp-go Safe Kubernetes access for AI agents via MCP. Read-only by default, with explicit permissi | 2 | Codex, OpenCode | 1 | 282 tok |
| malkreide/swiss-democracy-mcp MCP server for Swiss direct democracy: Swissvotes (1848+), BFS opendata.swiss, SRGSSR Poli | 2 | Claude Code | 3 | 6,437 tok |
| hanoak/pexels-mcp-server npmjs.com Production-ready Model Context Protocol (MCP) server for the Pexels API — search and brows | 2 | Claude Code | 1 | 2,113 tok |
| purmemo-ai/purmemo-mcp purmemo.ai MCP server for pūrmemo — AI conversation memory that works everywhere. Save and recall con | 2 | Claude Code | 13 | 3,057 tok |
| qingxuantang/tar-engine tarai.dev Audit AI skill safety before you ship. Static + semantic + adversarial audit pipeline for | 2 | Claude Code | 2 | — |
| rbonestell/ap-mcp-server Model Context Protocol (MCP) server for the Associated Press Media API | 2 | Claude Code | 1 | 1,025 tok |
| divyanshu-iitian/SearchForge divyanshu-iitian.github.io Open-source web search API and MCP server for LLMs, AI agents, and RAG. Free sources, self | 2 | Codex, OpenCode | 1 | 118 tok |
| hugolsramos01-bit/mcp-agentic-server hugoramos.dev Turn Claude, ChatGPT, and any LLM into a safe, bloat-free Autonomous Coding Agent with sem | 2 | Codex, OpenCode | 1 | 424 tok |
| pduggusa/dugganusa-cli analytics.dugganusa.com CLI threat intel scanner + local STDIO MCP server: check IPs, domains, hashes, CVEs agains | 2 | Claude Code, Codex, OpenCode | 2 | 1,319 tok |
| pintomatic/kernal andes.no Open-source knowledge graph for professionals. Auto-extracts entities and relationships fr | 2 | Claude Code | 1 | 2,077 tok |
| us-all/airflow-mcp-server Airflow MCP server — DAG list, runs, task instances, log tails, trigger and clear over the | 2 | Claude Code | 1 | 1,177 tok |
| tixuz/openemis-mcp-pro Natural-language bridge between Claude/Codex MCP agents and the OpenEMIS v5 REST API. Gett | 2 | Claude Code | 1 | 1,796 tok |
| shck-dev/notion-mcp MCP server for Notion using internal API — no workspace admin needed | 2 | Claude Code | 1 | 2,310 tok |
| tiagosilva07/zyrax-guard zyrax.io Audit your AI agent configs before you run them — prompt injection, rogue MCP servers, cre | 2 | Claude Code, Codex, OpenCode | 12 | 1,130 tok |
| tm42/mnemograph graph-based persistent, yet lightweight memory MCP for CC | 2 | Claude Code | 1 | 2,810 tok |
| tyler-mitchell/type-atlas 🧠 TypeScript code intelligence MCP server for coding agents — 🗺️ project-aware navigati | 2 | Claude Code, Codex, OpenCode | 4 | 5,987 tok |
| revsmoke/promptrejectormcp Open-source MCP and HTTPS screening for prompts, skills, and tool descriptions using TypeS | 2 | Claude Code, Codex, OpenCode | 2 | 744 tok |
| sharozdawa/indexnow-mcp MCP server for instant URL indexing via IndexNow and Google Indexing API. Submit to Bing, | 2 | Claude Code | 1 | — |
| stayce/partd-mcp-cloudflare CMS Medicare Part D drug spending and prescriber data MCP Server for Cloudflare Workers | 2 | Claude Code | 1 | 1,097 tok |
| mikluko/jmap-mcp | 2 | Codex, OpenCode | 1 | 2,088 tok |
| sirlordt/vscode-terminal-mcp vscode terminal mcp | 2 | Claude Code | 1 | 536 tok |
| vish288/mcp-coda pypi.org MCP server for the Coda API — 54 tools, 12 resources, 5 prompts for docs, pages, tables, r | 2 | Codex, OpenCode | 1 | 5,261 tok |
| yannmenec/inspectrum Catch the bad plan before you spend the tokens. Cross-LLM peer review via MCP. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,681 tok |
| yoavhizkiH/siren | 2 | Claude Code | 1 | 435 tok |
| robertn702/webmcp-today webmcp.today Community registry of WebMCP packages for sites that have not implemented WebMCP. | 2 | Claude Code, Codex, OpenCode | 2 | 2,594 tok |
| vitaliemiron/cookidoo-mcp vitaliemiron.github.io Unofficial Cookidoo MCP server for AI-assisted Thermomix recipes, guided cooking, meal pla | 2 | Codex, OpenCode | 1 | 5,750 tok |
| xyzzylabs/tc39-mcp mcp.xyzzylabs.ai MCP for the TC39 specs (not affiliated with Ecma/TC39). SHA-pinned ECMA-262 + ECMA-402, AO | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,590 tok |