23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Deesmo/Arch-AI-Tools archtools.dev 64 API tools behind one key. MCP native. x402 USDC payments. Web scraping, AI generation ( | 3 | Codex, OpenCode | 1 | 1,388 tok |
| instavar/remotion-templates instavar.com Open-source, agent-friendly Remotion templates for Codex and Claude Code | 3 | Claude Code, Codex, OpenCode | 2 | 122 tok |
| cyanheads/faostat-mcp-server npmjs.com Global food & agriculture statistics from the UN FAOSTAT bulk-download corpus, served from | 3 | Claude Code, Codex, OpenCode | 2 | 17,988 tok |
| cyanheads/calculator-mcp-server npmjs.com Evaluate, simplify, and differentiate mathematical expressions via MCP. STDIO or Streamabl | 3 | Claude Code, Codex, OpenCode | 2 | 17,974 tok |
| cyanheads/devops-status-mcp-server npmjs.com Check vendor status pages, inspect SSL/TLS certificates, verify DNS propagation, and get i | 3 | Claude Code, Codex, OpenCode | 2 | 16,352 tok |
| cyanheads/clipboard-mcp-server npmjs.com System clipboard access for MCP clients | 3 | Claude Code, Codex, OpenCode | 2 | 7,401 tok |
| cyanheads/docgen-mcp-server npmjs.com Render HTML/markdown to PDF, export rows to xlsx, and fill AcroForm PDFs via MCP. STDIO or | 3 | Claude Code, Codex, OpenCode | 2 | 16,456 tok |
| cyanheads/earthquake-mcp-server npmjs.com Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts | 3 | Claude Code, Codex, OpenCode | 2 | 15,208 tok |
| davidmosiah/short-video-agent-kit npmjs.com Agent-first short-form AI video generation CLI and MCP server for Sora, Veo, xAI and Seeda | 3 | Codex, OpenCode | 1 | 137 tok |
| davidmosiah/tiktok-agent-publisher npmjs.com Agent-first TikTok Content Posting API CLI and MCP server with dry-run publishing | 3 | Codex, OpenCode | 1 | 142 tok |
| dfieser/hea-bench dfieser.github.io Free high-entropy alloy (HEA) and high-entropy oxide calculator: mixing entropy, atomic-si | 3 | Claude Code, Codex, OpenCode | 2 | 10,083 tok |
| hs737/mcp-server-for-ynab pypi.org An AI-first MCP server for YNAB. Read-only by default, with reversible writes and verifica | 3 | Claude Code, Codex, OpenCode | 13 | 3,660 tok |
| pijusz/mcp-gsc Google Search Console MCP server — query performance, sitemaps, indexing & more via natura | 3 | Claude Code, Codex, OpenCode | 2 | 1,272 tok |
| qso-graph/pota-mcp qso-graph.io MCP server for Parks on the Air: park info, activator and hunter stats, spots and schedule | 3 | Claude Code, Codex, OpenCode | 2 | 587 tok |
| tufantunc/axiom-advanced-math-mcp npmjs.com Exact symbolic math for LLMs: integrals, equations, matrices, and claim verification via G | 3 | Codex, OpenCode | 1 | 1,272 tok |
| up2itnow0822/webmcp-sdk npmjs.com Full WebMCP developer toolkit — core, React, security, testing. Build agent-ready websites | 3 | Codex, OpenCode | 1 | 510 tok |
| ssurmic/claude-investment-skills Investment-research skills for Claude Code: top-down macro-aware framework, bilingual EN/C | 3 | Claude Code, Codex, OpenCode | 2 | 7,993 tok |
| liuqiaodongdong/gleaner Gleaner (make the most of everything): academic literature collector via Skill + CLI — CNK | 3 | Codex, OpenCode | 1 | 2,715 tok |
| coval-ai/mcp-server coval.dev MCP server for Coval that enables AI assistants to launch evaluations, manage test sets, a | 3 | Codex, OpenCode | 1 | 945 tok |
| b-mendoza/agent-skills A collection of reusable skills for AI-assisted development workflows | 3 | Claude Code, Codex, OpenCode | 2 | 1,208 tok |
| aitit-inc/leadace leadace.ai AI sales rep for Claude Code. Finds prospects, researches each company, writes and sends o | 3 | Claude Code, Codex, OpenCode | 3 | 2,439 tok |
| jd20030807/touch-grass A local break-reminder companion for Codex and Claude Code. | 3 | Claude Code, Codex, OpenCode | 2 | 177 tok |
| bromso/metapowers bromso.github.io A plugin that adds an agentic skills framework, with MCP's and a meta prompting processes. | 3 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,585 tok |
| eugeniughelbur/clearmode eugeniughelbur.github.io An anti-AI-slop writing standard and checker for AI-drafted text. Scores any document 0-10 | 3 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| letya999/whipnext A tiny cross-platform overlay that nudges coding-agent sessions forward | 3 | Codex, OpenCode | 1 | 1,165 tok |
| Firmislabs/firmis-scanner firmislabs.com AI agent runtime security scanner - detect malicious behavior in Claude Skills, MCP Server | 3 | Claude Code, Codex, OpenCode | 2 | 3,779 tok |
| impactbrussels/AINativeOS impact.brussels The open OS for building an AI-native company in hard-mode sectors. A 15-chapter Handbook, | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,832 tok |
| schmusch/roblox-ai-workflow Multi-tool SSOT skill set for AI-assisted Roblox game development — Claude Code, Gemini CL | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,065 tok |
| agentlint/agentlint agentlint.sh The Lighthouse for AI coding agents. Audit any repo for how ready it is for Claude Code, C | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,497 tok |
| Karasowl/KodexBar-Suite kodexbar.vercel.app Linux and Windows AI quota monitor for Claude Code, OpenAI Codex, Cursor, Grok, OpenCode G | 3 | Claude Code, Codex, OpenCode | 2 | 45 tok |
| oleg494/coding-kit Portable agent-brain kit: superpowers methodology, YAGNI minimalism, cross-chat SQLite FTS | 3 | Claude Code, Codex, OpenCode | 2 | 635 tok |
| IoTAiTech/MC-GPT iotaitech.github.io MC-GPT: say the outcome in English or German. Task, Meeting and Multi-Coder for Claude, Co | 3 | Codex, OpenCode | 1 | 601 tok |
| rhyme17/ai-study-workflow AI-assisted active recall workflow for university learning, final exam review, course PDFs | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 537 tok |
| The-40-Thieves/alexandria-mcp the40thieves.dev 152-source digital library MCP server. Natural-language search, full-text reading, and cit | 3 | Claude Code, Codex, OpenCode | 12 | 222 tok |
| rmednitzer/relay-shell rmednitzer.github.io Model Context Protocol server for full shell and SSH fleet operation, with audit, tiered a | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,284 tok |
| sandraschi/steam-mcp MCP server for Valve's Steam — profile, library, stats, store, Workshop. 14 tools, React d | 3 | Claude Code, Codex, OpenCode | 2 | 786 tok |
| VitexSoftware/mcp-server-abraflexi MCP server for AbraFlexi integration using FastMCP and python-abraflexi | 3 | Codex, OpenCode | 1 | 1,132 tok |
| esneiderbravo/speclaw npmjs.com Where specs become law. One command turns any repo into a spec-driven, agent-ready project | 3 | Claude Code, Codex, OpenCode | 2 | 3,377 tok |
| jpantsjoha/pinescript-plugin jpantsjoha.com Pine Script v6 skills and MCP tooling for coding agents — backed by a real validator, not | 3 | Codex, Gemini CLI, OpenCode | 2 | 627 tok |
| conorbronsdon/yt-analytics-mcp chainofthought.show Curated read-only YouTube Analytics MCP server — owner-side channel, video, and playlist a | 3 | Claude Code, Codex, OpenCode | 2 | 824 tok |
| shayanline/msloop-mcp MCP server for Microsoft Loop. No app registration required, reuses your existing Loop web | 3 | Codex, OpenCode | 1 | 1,341 tok |
| hasindu-madushan/slim-atlas-ai A Model Context Protocol (MCP) server that provides extremely lightweight browser automati | 3 | Codex, OpenCode | 1 | 3,889 tok |
| NetzSicht/amazon_ads_mcp | 3 | Claude Code, Codex, OpenCode | 2 | 4,739 tok |
| Nitjsefnie-Harness-Commons/daedalus Browser bridge for agents: drive a real Chrome instance over HTTP, MCP or CLI | 3 | Claude Code, Codex, OpenCode | 3 | 5,912 tok |
| ArtiPyHeart/mcp-jumpserver-gui-sucks | 3 | Codex, OpenCode | 1 | 1,475 tok |
| t-rhex/obsidian-mcp-server MCP server for Obsidian vaults — direct filesystem access with git sync, wikilinks, and fr | 3 | Claude Code, Codex, OpenCode | 2 | 839 tok |
| GWLlosa/elite-dangerous-local-ai-tie-in-mcp Model Context Protocol server for Elite Dangerous integration with Claude Desktop and EDCo | 3 | Codex, Cursor, OpenCode | 2 | 2,201 tok |
| nukkerman2000/live2d-mcp | 3 | Codex, OpenCode | 1 | 157 tok |
| MikeCase/arcane-mcp arcanemcp.splaq.us MCP server for Docker management via the Arcane API | 3 | Claude Code, Codex, OpenCode | 2 | 2,387 tok |
| LBurny/pyspy-mcp pyspy-mcp is a Model Context Protocol (MCP) server that brings Python performance profilin | 3 | Codex, OpenCode | 1 | 1,280 tok |