22,145 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| pierreb-devkit/Vue weareopensource.me :computer: Vue - Boilerplate Front : Vue 3, Pinia, Vuetify 3, JWT, Jest | 20 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,517 tok |
| sekachev/agentic_ai A practical course on Agentic AI, from LLM fundamentals to building autonomous agent syste | 20 | Codex, OpenCode | 1 | 358 tok |
| SYZ-Coder/prd-spec-workspace Converts product requirements into documents that AI can understand (input supports images | 20 | Codex, OpenCode | 1 | 1,712 tok |
| saturngod/Waing AI Agent ဝိုင်းတော်သားများ | 20 | Claude Code, Codex, OpenCode | 2 | 1,710 tok |
| opensource-together/ost-linker opensource-together.com Linker : OST's recommender-system, AI powered. | 20 | Claude Code, Codex, OpenCode | 2 | 2,141 tok |
| adrielp/ai-engineering-harness Provides a harness for various different AI agent for harness context engineering | 20 | Claude Code, Codex, OpenCode | 2 | 2,852 tok |
| mdrideout/junjo python-api.junjo.ai An AI graph workflow library for building dynamic LLM driven workflows | 20 | Claude Code, Codex, OpenCode | 9 | 1,838 tok |
| gaixianggeng/codex-skills Codex skill for initializing a project workspace from the current session and creating a G | 20 | Codex, OpenCode | 1 | 354 tok |
| DevCycleHQ/cli docs.devcycle.com DevCycle - CLI | 20 | Codex, OpenCode | 1 | 1,305 tok |
| tower/agentic-data-engineering Repository with a skills boilerplate for agentic data engineering workflows | 20 | Claude Code, Codex, OpenCode | 5 | 1,154 tok |
| respeak-io/episko A lightweight app for claude code cli agent organization in Rust | 20 | Claude Code, Codex, OpenCode | 2 | 21,806 tok |
| GGPrompts/TFE | 20 | Claude Code, Codex, OpenCode | 16 | 4,666 tok |
| NiobiumInc/niobium-client Open-source FHE client and toolchain. Build fully homomorphic encryption applications with | 20 | Claude Code, Codex, OpenCode | 2 | 1,892 tok |
| bezhai/chiwei-platform | 20 | Claude Code, Codex, OpenCode | 9 | 5,671 tok |
| BalajSaleem/criterion criterion.life Quran based intelligence | 20 | Codex, GitHub Copilot, OpenCode | 2 | 408 tok |
| hxyulin/hadris hxyulin.github.io The Rust storage stack: pure Rust libraries and tools for filesystems, block devices, part | 20 | Claude Code, Codex, OpenCode | 2 | 298 tok |
| hamanpaul/serialwrap UART console tool for AI. | 20 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 12 | 8,134 tok |
| noricha-vr/WebScreen | 20 | Claude Code, Codex, OpenCode | 2 | 2,052 tok |
| newstler/template Lightweight AI-Native Rails Template with all required SaaS features | 20 | Claude Code, Codex, OpenCode | 3 | 9,984 tok |
| GerritCodeReview/gerrit-mcp-server gerrit.googlesource.com null - (mirror of https://gerrit.googlesource.com/./gerrit-mcp-server) | 20 | Claude Code, Codex, OpenCode | 2 | 1,818 tok |
| YosAwed/MPX68K MPX68K: Sharp X68000 emulator for macOS (Apple Silicon and Intel Mac). SpriteKit UI, GameC | 20 | Claude Code, Codex, OpenCode | 2 | 1,924 tok |
| charliesbot/one A beautifully designed fasting tracker with full Wear OS support. | 20 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,076 tok |
| scottgal/mostlylucidweb mostlylucid.net The mad scientists lab for the mostlylucid site with engineering experiements, tag helpers | 20 | Claude Code, Codex, OpenCode | 2 | 3,116 tok |
| ankit-thawal47/overwatch | 20 | Claude Code, Codex, OpenCode | 2 | 1,849 tok |
| kaichen/mcp-local-router An MCP (Model Context Protocol) local router that serves as an aggregation proxy for MCP s | 20 | Claude Code, Codex, OpenCode | 2 | 630 tok |
| marianfoo/local-llm-client-for-sap-consultants-librechat This is fork of LibreChat to showcase the usage with MCP Server for SAP Data | 20 | Claude Code, Codex, OpenCode | 2 | 1,742 tok |
| zish-rob-crur/nucleus-apple-mcp A macOS Model Context Protocol (MCP) server that acts as the central nervous system for yo | 20 | Claude Code, Codex, OpenCode | 26 | 631 tok |
| bkuri/jesse-mcp Jesse trading framework MCP server for LLM agents | 20 | Claude Code, Codex, OpenCode | 5 | 1,809 tok |
| andrelandgraf/fullstackrecipes fullstackrecipes.com A Shadcn registry and collection of production-ready patterns and step-by-step guides (rec | 20 | Claude Code, Codex, OpenCode | 2 | 1,126 tok |
| AllDmeat/kaiten-mcp | 20 | Claude Code, Codex, OpenCode | 11 | 115 tok |
| ipdelete/mcp-code-execution Python implementation of the code execution pattern for Model Context Protocol (MCP) | 20 | Claude Code, Codex, OpenCode | 5 | 1,014 tok |
| dannyhw/react-native-storybook-tools | 20 | Claude Code, Codex, OpenCode | 2 | 493 tok |
| amkessler/nicar2026_skills_in_codex_claude Materials for NICAR 2026 session on using "skills" to aid in more reliable, reproducible a | 20 | Claude Code, Codex, OpenCode | 8 | 3,311 tok |
| savannah-i-g/nanotracker-api-sdk Drive a live nanoTracker session (https://federatedindustrial.com/tracker) from any AI cod | 20 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 3,370 tok |
| wangweiwei/auto-cr auto-cr: a lightning-fast SWC-powered code review toolkit—CLI + extensible rule SDK—to sur | 20 | Codex, OpenCode | 1 | 769 tok |
| AndreaBozzo/dataprof andreabozzo.github.io High-performance data profiling & quality assessment for CSV, JSON, Parquet, pandas, polar | 20 | Claude Code, Codex, OpenCode | 4 | 1,314 tok |
| dingshuxin353/acp Agent Communication Protocol - a message format standard for efficient communication betwe | 20 | Claude Code, Codex, OpenCode | 2 | 1,652 tok |
| zby/llm-do "Extend with llm, stabilise with code" - Prompts when you're exploring, Python when you're | 20 | Claude Code, Codex, OpenCode | 10 | 1,562 tok |
| DailybotHQ/deepworkplan-skill deepworkplan.com Turn any repo AI-first and run resumable, multi-hour Deep Work Plans. An installable agent | 20 | Claude Code, Codex, OpenCode | 2 | 7,570 tok |
| pierreb-devkit/Node weareopensource.me :computer: Node - Boilerplate Back : Express, Jwt, Mongo, Sequelize | 20 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,293 tok |
| Rockielab/rockie-codex Autonomous AI research harness for OpenAI Codex CLI. Sibling to rockie-claude (Claude Code | 20 | Codex, OpenCode | 1 | 905 tok |
| dirien/yet-another-agent-harness dirien.github.io A Go agent harness for Claude Code — runtime hooks, MCP server, session tracking, middlewa | 20 | Claude Code, Codex, Gemini CLI, OpenCode | 71 | 2,374 tok |
| Quinoto-Tech/QuinotoSpec QuinotoSpec: Framework de Desarrollo Agéntico Guiado por IA. Metodología "Proposal-First" | 20 | Codex, OpenCode | 1 | 3,529 tok |
| jonathanbossenger/concilium A web based, local or public, multi-agent orchestration dashboard. Your council of agents. | 20 | Claude Code, Codex, OpenCode | 2 | 2,711 tok |
| thirawat27/Ruvyxa npmjs.com Ruvyxa is a production-minded web framework built around clarity, speed, and control. It k | 20 | Claude Code, Codex, OpenCode | 2 | 15,806 tok |
| linux-root/scala-zio-skills ZIO Scala coding rules, anti-patterns, and decision guides — installable as a Claude Code | 20 | Claude Code, OpenCode | 1 | — |
| lisitan/writing-team-workbench | 20 | Claude Code, Codex, OpenCode | 15 | 3,299 tok |
| numman-ali/editorzero Open-source, self-hostable AI-native docs platform. Humans and AI agents as peer co-editor | 20 | Claude Code, Codex, OpenCode | 2 | 4,366 tok |
| barseghyanartur/fake.py pypi.org Minimalistic, standalone alternative fake data generator with no dependencies | 20 | Claude Code, Codex, OpenCode | 2 | 3,382 tok |
| AndyUneducated/alchemy | 20 | Codex, OpenCode | 1 | 138 tok |