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 |
|---|---|---|---|---|
| gl00mt1t4n/loom-kg Linked Obsidian Operating Memory Knowledge Graph: a cloneable Obsidian + agent knowledge g | 5 | Claude Code, Codex, OpenCode | 2 | 2,534 tok |
| kylehuirevvision/databricks-cost-optimizer Read-only-first Databricks FinOps toolkit and Agent Skill for Codex and Claude Code | 5 | Claude Code, Codex, OpenCode | 2 | 233 tok |
| AStarStartup/AStartupToolkit astartup.net Vibe coding engineering markdown templates for apps, games, UX design, businesses model ca | 5 | Codex, OpenCode | 1 | 907 tok |
| ecorkran/context-forge Automate and accelerate complex projects. Fast, effective, and consistently structured. | 5 | Claude Code, Codex, OpenCode | 5 | 8,031 tok |
| GYF0311/lorekit Personal LLM Wiki toolkit — let AI build and maintain your knowledge base. Based on Karpat | 5 | Claude Code, Codex, OpenCode | 2 | 2,274 tok |
| andrewcigan/vibe-dev-plugin Vibe Dev v8 — a harness-first pipeline for Claude Code: from business idea to working prod | 5 | Claude Code, Codex, OpenCode | 2 | 7,710 tok |
| vector233/repo-continuity Durable, repository-owned project knowledge and lightweight delivery for AI coding agents. | 5 | Claude Code, Codex, OpenCode | 2 | 1,035 tok |
| alessiomarcone/agent-fieldbook Source-backed skills that turn official Claude and Codex training into reliable daily work | 5 | Claude Code, Codex, OpenCode | 2 | 587 tok |
| AlpayC/mcp-migration-check mcp-migration-check.alpaycelik.workers.dev Deterministic readiness checker for the MCP 2026-07-28 specification break - a graded web | 5 | Codex, OpenCode | 1 | 845 tok |
| OpenAnalystInc/Vibe-Marketer Autonomous marketing agency powered by Claude Code agent swarms — multi-agent pipeline for | 5 | Claude Code, Codex, OpenCode | 2 | 7,721 tok |
| marc-shade/agentic-system-oss Open Source 24/7 Autonomous Agentic AI System | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 9,448 tok |
| nicholasxdavis/telelink blog.blacnova.net Let AI agents (claude code, cursor, gemini cli, codex) send sms messages on your behalf us | 5 | Claude Code, Codex, OpenCode | 2 | 978 tok |
| twaldin/flt cli-first harness agnostic agent orchestration tool | 5 | Claude Code, Codex, OpenCode | 2 | 2,406 tok |
| masteryee-labs/Tool.Agent-Harness-Deploy Self-deploying cross-tool AI harness — one canonical source deployed to Claude Code, Codex | 5 | Claude Code, Codex, OpenCode | 1 | 46,572 tok |
| asiflow/hyper-claude-code Intelligent middleware platform for Claude Code — route to any model, track costs, cache r | 5 | Claude Code, Codex, OpenCode | 37 | 8,056 tok |
| HelloRuru/claude-zhenhuan Empresses in the Palace roleplay Claude Code Skill | Empresses in the Palace roleplay for | 5 | Claude Code, Codex, OpenCode | 2 | 391 tok |
| dmitrypost/VuetifySkills Generated Vuetify 4 documentation as an installable agent skill for Claude Code, GitHub Co | 5 | Claude Code, Codex, OpenCode | 3 | 441 tok |
| ToruAI/megg Git-native memory for AI agents — markdown knowledge in .megg/ folders that travels with y | 5 | Claude Code, Codex, OpenCode | 3 | 261 tok |
| Molten-Bot/agent_00 molten.bot Rapid Development, aided by your fav agent: Claude, Codex | 5 | Codex, OpenCode | 1 | 1,555 tok |
| Tenstu/Pass-LLM-with-LLM Crack algorithm coding interviews with LLM + MCP tools — a Claude Code harness for exam pr | 5 | Codex, OpenCode | 1 | 1,806 tok |
| kondukt-dev/core kondukt.dev Postman for MCP — test, validate, debug, and scaffold Model Context Protocol servers. Itse | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,504 tok |
| 0x0w1/jig same cut, every project — repository procedures installed as skills into Claude Code, Code | 5 | Claude Code, Codex, OpenCode | 2 | 5,033 tok |
| baizhiyuan/finding-unknowns-skill A Claude Code skill for discovering your unknowns (unknown unknowns / unknown knowns) befo | 5 | Claude Code, Codex, OpenCode | 2 | 1,449 tok |
| cristian1991/AIDOCS codenexus.cloud AIDOCS — AI Doctrine Orchestrator, Control & Security. | 5 | Claude Code, Codex, OpenCode | 2 | 128 tok |
| forbotsake/forbotsake The open-source GTM workflow for technical founders who built something real and still got | 5 | Claude Code, Codex, OpenCode | 50 | 2,568 tok |
| shyuan/skills A curated collection of Agent Skills for Claude Code and compatible agents. | 5 | Claude Code, Codex, OpenCode | 2 | 735 tok |
| flitzrrr/agent-skills Curated collection of AI agent skills for Antigravity, Claude Code, OpenCode & similar AI | 5 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,855 tok |
| xjli1972/book-brain A GBrain-shaped knowledge brain over open-source / free books. Markdown on disk, SQLite + | 5 | Codex, OpenCode | 1 | 1,375 tok |
| martinambrus/haive Deterministic multi-CLI orchestration and AI agentic workflow utility. | 5 | Claude Code, Codex, OpenCode | 2 | 8,069 tok |
| eduardoarantes/agentenv Project-scoped AI agent and plugin environment manager for Claude Code, Cursor, Codex, and | 5 | Claude Code, Codex, OpenCode | 7 | 2,219 tok |
| 5uck1ess/devkit A deterministic development harness for Claude Code — MCP workflow engine, enforcement hoo | 5 | Claude Code, Codex, OpenCode | 2 | 2,250 tok |
| hexsprite/claude-agents-md Claude Code plugin to enable AGENTS.md files, no CLAUDE.md vendor lock-in | 5 | Claude Code, Codex, OpenCode | 3 | 1,304 tok |
| Agentic-Insights/foundry agenticinsights.com Claude Code plugin marketplace by Agentic Insights - Beta versions of plugins for developm | 5 | Claude Code, Codex, OpenCode | 2 | 3,654 tok |
| agentinsync/agent-in-sync agentinsync.com The knowledge base AI coding agents share. Submit, search, and reuse battle-tested solutio | 5 | Claude Code, Codex, OpenCode | 2 | 5,511 tok |
| weitzu-com/ai-article-factory AI Article Factory — a Claude Code skill that turns any material/topic/product into illust | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,465 tok |
| loki-ai-ch/spec-manager npmjs.com Make AI programming deliverable, reviewable, and traceable: L1 PRD → L2 Design → L3 Impl → | 5 | Claude Code, Codex, OpenCode | 3 | 1,703 tok |
| supachai-j/open-knowledge-format-starter Ready-to-fork starter for an AI-maintained knowledge base on the Open Knowledge Format (OK | 5 | Codex, OpenCode | 1 | 1,843 tok |
| lucasgodt/open-agent-ready-typescript | 5 | Claude Code, Codex, OpenCode | 5 | 1,963 tok |
| recondodev/recondo recondo.dev AI governance gateway. Wire-level LLM observability — every prompt, every tool call, every | 5 | Claude Code, Codex, OpenCode | 2 | 4,447 tok |
| Tokfuel/Tokfuel tokfuel.github.io See how you actually use Claude Code from the menu bar — local-only skill, MCP, sub-agent | 5 | Claude Code, Codex, OpenCode | 9 | 4,466 tok |
| animeshkundu/github-router animesh.kundus.in Power Claude Code, Codex CLI, and more with your Copilot subscription. | 5 | Claude Code, Codex, OpenCode | 2 | 36,055 tok |
| lixiaocong/AgentBar Coding Agent Quota/Usage Bar for Mac. Claude, Codex, Copilot, Gemini | 5 | Codex, OpenCode | 1 | 6,707 tok |
| yugo-ibuki/unitmux unitmux.vercel.app "unitmux" — Unifies your AI coding sessions into a single floating interface. | 5 | Claude Code, Codex, OpenCode | 6 | 2,562 tok |
| ghillb/swarmux ghillb.github.io Agent-first tmux async task orchestration CLI | 5 | Claude Code, Codex, OpenCode | 3 | 346 tok |
| hxt9805/cadence A discussion-driven software development workflow plugin — automatically implements discus | 5 | Claude Code, Codex, OpenCode | 1 | 154 tok |
| xChechi/xche-ai-app-security-pack stefannasev.dev Free security guardrails for apps built with AI coding tools (Claude Code, Cursor, Lovable | 5 | Claude Code, Codex, OpenCode | 2 | 1,527 tok |
| stroops/sloop stroops.tech The local-first control layer for your AI coding CLIs — one context, one cross-repo fleet | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 413 tok |
| aanari/muxboard A tmux command center for AI agents, panes, and long-running terminal work. | 5 | Codex, OpenCode | 1 | 3,072 tok |
| KKenny0/card-skill A Claude Code/Codex skill that turns articles, ideas, and arguments into checked Quiet Pap | 5 | Codex, OpenCode | 1 | 757 tok |
| netopsengineer/axiom Axiom is a curated marketplace of shared plugins for Claude Code and Codex. | 5 | Claude Code, Codex, OpenCode | 2 | 2,767 tok |