23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| MadaraUchiha-314/the-loop madarauchiha-314.github.io The loop for everything! | 8 | Claude Code, Codex, OpenCode | 3 | 840 tok |
| prangishviliAbe/agent-skills Portable, production-grade skills for AI coding agents — web development, security, UI/UX, | 8 | Codex, OpenCode | 1 | 1,026 tok |
| netresearch/german-technical-writing-skill Agent Skill for natural German technical register in Jira tickets, internal German docs, a | 8 | Codex, OpenCode | 1 | 814 tok |
| adhi-jp/minecraft-modding-mcp npmjs.com MCP server for AI-assisted Minecraft modding: inspect decompiled source, resolve Mojang/Ya | 8 | Codex, OpenCode | 1 | 3,778 tok |
| rezamotaghi/cbctscope rezamotaghi.com Full CBCT + 2D radiograph viewer from a board-certified oral and maxillofacial radiologist | 8 | Codex, OpenCode | 1 | 1,645 tok |
| autcir/openvidia Multi-key proxy for NVIDIA NIM with a native desktop dashboard — auto-rotation, cooldown, | 8 | Codex, OpenCode | 1 | 1,032 tok |
| pilotwaffle/TORQCLAW A governed control plane for AI agents — approval before action, budget before spend, rece | 8 | Claude Code, Codex, OpenCode | 6 | 4,666 tok |
| FramY2/ctxwise framy2.github.io Multi-agent context firewall, MCP schema tree-shaker, and token budget guard for Claude Co | 8 | Claude Code, Codex, OpenCode | 2 | 288 tok |
| moVictor99/shopify-theme-builder Interview-first skill that builds complete, theme-editor-controllable Online Store 2.0 Sho | 8 | Codex, OpenCode | 1 | 1,564 tok |
| Takhoffman/onenote-desktop-agent Free, open-source Claude Code and Codex plugins for controlling the real Windows OneNote d | 8 | Claude Code, Codex, OpenCode | 2 | 230 tok |
| ryan-haver/fusebase-mcp MCP server for Fusebase (formerly Nimbus Note). Tools for AI-powered workspace management | 8 | Claude Code, Codex, OpenCode | 3 | 2,537 tok |
| ChrisBrooksbank/uk-parliament-data-mcp pypi.org UK Parliament MCP Server — 209 tools bridging AI assistants with live UK Parliament data ( | 8 | Claude Code, Codex, OpenCode | 3 | 2,628 tok |
| nirholas/robinhood-chain-mcp nirholas.github.io Model Context Protocol servers for Robinhood Chain — zero-config read-only data server plu | 8 | Claude Code, Codex, OpenCode | 2 | 532 tok |
| Khamel83/argus pypi.org Multi-provider web search broker for AI agents. 14 providers, budget-aware routing, conten | 8 | Claude Code, Codex, OpenCode | 2 | 4,630 tok |
| antohins/seo-tools-mcp 8 stdio MCP servers for SEO (xmlstock/SERP, wordstat, gsc, ywm, metrika) for Claude Code — | 8 | Codex, OpenCode | 1 | 5,288 tok |
| k-vaca/prompt-engineering-skill Research-grounded Agent Skill for writing professional LLM prompts — matches technique to | 8 | Codex, OpenCode | 1 | 158 tok |
| NITISH-R-G/hackerrank-orchestrate-skills hackerrank.com Unofficial community toolkit for HackerRank Orchestrate: 8 agent skills (Claude Code, Code | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 736 tok |
| mhenke/john-ousterhout-skills Strategic software design guidelines for AI coding agents. 15 behavioral rules + critique/ | 8 | Claude Code, Codex, OpenCode | 2 | 2,307 tok |
| nirholas/metaplex-agent-mcp nirholas.github.io Deploy AI agents on-chain into the Metaplex Agent Registry on Solana: one atomic transacti | 8 | Codex, OpenCode | 1 | 475 tok |
| nirholas/x402-mcp-commerce nirholas.github.io MCP server that gives Claude/GPT agents commerce tools — each tool call pays an upstream x | 8 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| iamwaqargulzar/Marketing-Agent-OS Universal, cross-platform marketing agent skill system with 238 skills for SEO, GEO, AEO, | 8 | Claude Code, Codex, OpenCode | 2 | 263 tok |
| snyk-labs/snyk-vulnbench vulnbench.com A benchmark harness for measuring how AI coding agents find and fix security vulnerabiliti | 8 | Claude Code, Codex, OpenCode | 12 | 3,693 tok |
| porchetthub/-https-github.com-DietrichGebert-ponytail | 8 | Codex, GitHub Copilot, OpenCode | 2 | 1,117 tok |
| dsvi-b/corretor-enem Corretor de redação ENEM (5 competências) agnóstico de agent, calibrado em 11.147 redações | 8 | Claude Code, Codex, OpenCode | 3 | 1,416 tok |
| sharpninja/McpServer sharpninja.github.io | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,730 tok |
| headlinearena/headlinearena-agent-plugin headlinearena.com Skills for integrating AI agents with HeadlineArena | 8 | Claude Code, Codex, OpenCode | 2 | 1,536 tok |
| tambo-labs/charming-mcp usecharming.com Charming MCP server — generate and host interactive web apps via MCP | 8 | Codex, Gemini CLI, OpenCode | 2 | 2,759 tok |
| Liyux3/scholar-mcp liyux3.github.io MCP server aggregating academic search sources into one unified interface for research age | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 666 tok |
| yuluod/AllSessions A local-first desktop workspace for browsing, searching, and managing Codex, Claude Code, | 8 | Codex, OpenCode | 1 | 2,070 tok |
| YuJunWang/104-job-hunter-mcp A job search automation tool that enables AI assistants to directly operate 104 Job Bank t | 8 | Codex, OpenCode | 1 | 4,741 tok |
| olgasafonova/gleif-mcp-server MCP server for GLEIF LEI (Legal Entity Identifier) database access | 8 | Claude Code, Codex, OpenCode | 2 | 413 tok |
| ddpie/lark-mcp-on-agentcore A hosted remote MCP service for AI agents to operate Feishu, reusing lark-cli's 200+ tools | 8 | Claude Code, Codex, OpenCode | 2 | 1,848 tok |
| menaje/codex-mcp-bridge-for-chatgpt A policy-enforcing Streamable HTTP MCP bridge from ChatGPT to local Codex. | 8 | Codex, OpenCode | 1 | 541 tok |
| minwoo19930301/korea-ecommerce-integrated-channel-mcp MCP server for handling product listing, editing, sales suspension, and deletion across mu | 8 | Codex, OpenCode | 1 | 1,345 tok |
| rebel0789/Memory-Recall npmjs.com Local-first repo memory and context for coding agents. | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,717 tok |
| supremehui/-Auto-Accounting An AI-powered Android automated expense-tracking tool | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,264 tok |
| Kuniwak/puml-parallel Composing multiple PlantUML state diagrams in parallel with synchronization events | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 8 tok |
| jleechanorg/agent-orchestrator-ts composio.dev Agentic orchestrator for parallel coding agents — plans tasks, spawns agents, and autonom | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 16 | 11,011 tok |
| SailfinIO/sailfin sfn.dev Self-hosted systems programming langauge with an effect system and compile-time capability | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 42 | 11,248 tok |
| sempods/sempods-kotlin sempods.org sempods reference implementation for the JVM — pod server, identity service, hosted MCP, c | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 5,174 tok |
| GregoryHo/arcforge Skill-based workflow engine for AI coding agents: planning, TDD, worktree orchestration, a | 8 | Claude Code, Codex, OpenCode | 7 | 876 tok |
| hybridlabor-api/bdb-dev-optimized-agent-skills A Curated AI AGENT OS – Optimized agent skills and add-ons like memB, OpenWiki, Heimdall T | 7 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 2,961 tok |
| GrillerGeek/idd-framework A process framework for teams building software with AI coding agents. Replaces Epics/Feat | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,891 tok |
| shofer-dev/claude-code-live-memory shofer.dev A cheap, always-on model that learns your repo — so your agent stops re-reading it. | 7 | Claude Code, Codex, OpenCode | 2 | 1,257 tok |
| dominodatalab/domino-claude-plugin Deprecated: moved to dominodatalab/domino-ai-plugin | 7 | Claude Code, Codex, OpenCode | 1 | 5,355 tok |
| N0zoM1z0/touhou-university n0zom1z0.github.io 幻想鄉立東方大學 — an unofficial Touhou Project fan university website | 7 | Codex, OpenCode | 1 | 1,132 tok |
| MaxQian888/cognia-next | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 77 | 15,495 tok |
| Hyperion-GPU/ProofFlow-v0.1 | 7 | Codex, OpenCode | 1 | 484 tok |
| ukorvl/web-of-flaws A structured library of web security flaws for humans and coding agents with vulnerable ex | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 923 tok |
| boldprojekte/franke_skills Agent-first CLI that runs Codex, Claude Code, and Grok as detached coding workers, while a | 7 | Codex, OpenCode | 1 | 35 tok |