23,614 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| openbkn-ai/bkn-foundry openbkn.ai BKN Foundry is the Ontology back-end foundation of OpenBKN. It transforms ontology-driven | 1,123 | Codex, OpenCode | 1 | 1,010 tok |
| decodingai-magazine/building-a-coding-agent-from-scratch-course Learn harness engineering by building Claude Code from scratch. Free, open-source course: | 1,123 | Claude Code, Codex, OpenCode | 3 | 5,643 tok |
| Human-Agent-Society/CORAL coral.compounding-intelligence.ai Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, a | 1,122 | Claude Code, Codex, OpenCode | 6 | 6,180 tok |
| Kc1t/alethe-agents alethe-agents.kc1t.com A local-first desktop workspace for running, organizing, and resuming multiple coding age | 1,122 | Claude Code, Codex, OpenCode | 3 | 4,236 tok |
| microsoft/agentrc Get your repo ready for AI. | 1,121 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 1,310 tok |
| manycoretech/aholo-viewer aholojs.dev A high performance 3DGS renderer | 1,119 | Codex, OpenCode | 7 | 900 tok |
| novoid/Memacs What did I do on February 14th 2007? Visualize your (digital) life in Org-mode | 1,118 | Codex, OpenCode | 1 | 2,975 tok |
| vercel-labs/web-interface-guidelines vercel.com Guidelines for building interfaces on the Web. | 1,118 | Codex, OpenCode | 1 | 1,958 tok |
| microsoft/power-platform-skills microsoft.github.io A plugin marketplace for GitHub Copilot and other AI agents that provides Power Platform d | 1,118 | Claude Code, Codex, OpenCode | 2 | 6,207 tok |
| raindrop-ai/workshop raindrop.ai Give your coding agent the power to write and run agent evals. | 1,117 | Codex, OpenCode | 1 | 451 tok |
| openclaw/agent-skills Useful skills for agents and claws. | 1,116 | Codex, OpenCode | 1 | 218 tok |
| caozhiyuan/copilot-api caozhiyuan.github.io GitHub Copilot, OpenAI Codex, OpenCode Go, and third-party AI provider gateway with OpenAI | 1,112 | Claude Code, Codex, OpenCode | 3 | 688 tok |
| codestable/CodeStable codestable.dev CodeStable is an AI coding workflow for serious software engineering that keeps humans in | 1,111 | Claude Code, Codex, OpenCode | 4 | 2,188 tok |
| google/sam sam-mesh.dev Agent Mesh | 1,111 | Codex, OpenCode | 1 | 1,694 tok |
| cuga-project/cuga-agent cuga.dev CUGA is an open-source generalist agent harness for the enterprise, supporting complex tas | 1,107 | Claude Code, Codex, OpenCode | 2 | 2,158 tok |
| Mininglamp-OSS/octo-server 🐙 The Go backend powering OCTO — an open workplace built for humans × AI agents. REST & W | 1,107 | Claude Code, Codex, OpenCode | 7 | 4,907 tok |
| MaxBittker/rs-sdk rs-sdk-demo.fly.dev Runescape automation library, optimized for use by coding agents. | 1,105 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,668 tok |
| momozi1996/momo-code momozi.cc MOMO CODE — RSI *JEV*Pi --AI coding agent that evolves with you | 1,105 | Claude Code, Codex, OpenCode | 2 | 1,291 tok |
| frappe/frappe-ui ui.frappe.io The all-in-one toolkit for modern frontends. High-quality components, app recipes and AI-r | 1,104 | Codex, GitHub Copilot, OpenCode | 2 | 938 tok |
| shaps80/SwiftUIBackports A collection of SwiftUI backports for iOS, macOS, tvOS and watchOS | 1,100 | Codex, OpenCode | 1 | 653 tok |
| NVIDIA/cuopt docs.nvidia.com GPU accelerated decision optimization | 1,099 | Codex, GitHub Copilot, OpenCode, Windsurf | 3 | 920 tok |
| foxhound87/mobx-formkit foxhound87.github.io Reactive MobX Form State Management | 1,094 | Codex, OpenCode | 1 | 7,668 tok |
| jonwiggins/optio optio.host Workflow orchestration for AI agent swarms. | 1,094 | Claude Code, Codex, OpenCode | 2 | 16,437 tok |
| AgentWorkforce/relay agentrelay.com Infrastructure for coding agents | 1,094 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,404 tok |
| K9i-0/ccpocket k9i-0.github.io Mobile client for Codex and Claude — control coding agents from your phone via WebSocket b | 1,093 | Claude Code, Codex, OpenCode | 23 | 1,564 tok |
| marcus/sidecar Use sidecar next to CLI agents for diffs, file trees, conversation history, and task manag | 1,092 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,668 tok |
| FalkorDB/QueryWeaver app.queryweaver.ai An open-source Text2SQL tool that transforms natural language into SQL using graph-powered | 1,090 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,912 tok |
| apify/mcpc npmjs.com The most compatible MCP CLI client. Supports: tools, resources, prompts, completions, asyn | 1,089 | Codex, OpenCode | 1 | 14,249 tok |
| tristanisham/zvm zvm.app zvm (Zig Version Manager) lets you easily install/upgrade between different versions of Zi | 1,087 | Claude Code, Codex, OpenCode | 2 | 2,326 tok |
| nevalang/neva nevalang.org Dataflow programming language where you write a program as a message-passing graph and eve | 1,086 | Codex, OpenCode | 9 | 1,227 tok |
| PatterAI/Patter getpatter.com Open-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the sta | 1,083 | Codex, OpenCode | 1 | 855 tok |
| openops-cloud/openops openops.com The batteries-included, No-Code FinOps automation platform, with the AI you trust. | 1,082 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,937 tok |
| pionxzh/wakaru wakarujs.com 🔪📦 Javascript decompiler for modern frontend | 1,081 | Claude Code, Codex, OpenCode | 2 | 4,205 tok |
| zhnnky329/MathModeling-skills Claude Code / Codex Skills for mathematical modeling competitions, supporting staged model | 1,080 | Claude Code, Codex, OpenCode | 33 | 3,346 tok |
| takahirom/roborazzi takahirom.github.io Make JVM Android integration test visible 🤖📸 | 1,080 | Codex, OpenCode | 1 | 777 tok |
| johannesjo/parallel-code parallelcode.app Run Claude Code, Codex, and Gemini side by side — each in its own git worktree | 1,080 | Claude Code, Codex, OpenCode | 2 | 2,167 tok |
| ChatbotXIO/ChatbotX chatbotx.io Open-source ManyChat alternative, built for AI. Omnichannel marketing across WhatsApp, Tik | 1,080 | Claude Code, Codex, GitHub Copilot, OpenCode | 33 | 7,448 tok |
| Evokoa/pgGraph polygres.com Open-source graph database superpowers for your existing Postgres data. | 1,079 | Codex, OpenCode | 1 | 836 tok |
| northword/zotero-format-metadata Linter for Zotero. A plugin for Zotero to format item metadata. Shortcut to set title rich | 1,079 | Codex, OpenCode | 1 | 2,265 tok |
| GSManagerXZ/GameServerManager gsmanager.cn GameServerManager (GSManager for short) is a modern one-click game deployment panel design | 1,076 | Codex, OpenCode | 1 | 958 tok |
| harehare/mq mqlang.org A jq-like Markdown query language for command-line processing | 1,076 | Claude Code, Codex, OpenCode | 2 | 656 tok |
| rogue-security/rogue qualifire.ai AI Agent Evaluator & Red Team Platform | 1,075 | Codex, OpenCode | 1 | 1,055 tok |
| marcus/nightshift Nightshift uses your leftover Claude / Codex budget to surprise you with useful PRs. Love | 1,075 | Claude Code, Codex, OpenCode | 2 | 469 tok |
| stackql/stackql stackql.io Query, provision and operate Cloud, SaaS, API and Model Context Protocol (MCP) resources t | 1,075 | Claude Code, Codex, OpenCode | 2 | 2,592 tok |
| jamro/tiny-engineer A small desktop robot that brings an AI coding assistant to life, physically acting out wh | 1,074 | Claude Code, Codex, Cursor, OpenCode | 39 | 2,163 tok |
| hashgraph-online/hol-guard hol.org Open-source antivirus and firewall for AI agents: block risky tools, secret access, prompt | 1,072 | Claude Code, Codex, OpenCode | 2 | 950 tok |
| kdlbs/kandev kandev.ai AI Kanban & Development Environment. Orchestrate multiple agents, review changes, open PRs | 1,067 | Claude Code, Codex, OpenCode | 42 | 7,924 tok |
| xuzhougeng/wisp-science wispscience.com Open-source, local-first desktop AI research workbench for scientific computing with Pytho | 1,065 | Codex, OpenCode | 1 | 3,077 tok |
| cBioPortal/cbioportal cbioportal.org cBioPortal for Cancer Genomics | 1,064 | Claude Code, Codex, OpenCode | 2 | 1,028 tok |
| a16z/jolt jolt.a16zcrypto.com The simplest and most extensible zkVM. Fast and fully open source from a16z crypto and fri | 1,061 | Claude Code, Codex, OpenCode | 12 | 5,145 tok |