23,196 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 |
|---|---|---|---|---|
| 0xf06/solto Free, self-hosted and open source alternative to Linear Agents that turns tickets into PRs | 11 | Claude Code, Codex, OpenCode | 2 | 907 tok |
| Alfredvc/rema1000-cli CLI for the REMA 1000 API. Designed for AI agent consumption. Single Rust binary with JSON | 11 | Codex, OpenCode | 1 | 712 tok |
| VGrss/Acumen acumen-ten.vercel.app Product Fluency for AI Harness | 11 | Claude Code, Codex | 22 | 520 tok |
| kaptinlin/go-i18n Go i18n library with ICU MessageFormat support, file-based or in-code translation loading, | 11 | Claude Code, Codex, OpenCode | 2 | 2,226 tok |
| aws-samples/sample-sagemaker-agentic-analyst A demo application that demonstrates how fine-grained access controls configured in SageMa | 11 | Codex, OpenCode | 1 | 3,538 tok |
| Lykhoyda/rn-dev-agent lykhoyda.github.io Claude Code | Codex plugin for React Native — explores codebases, designs architecture, im | 11 | Claude Code, Codex, OpenCode | 1 | 7,335 tok |
| zivtech/drupal-critic Drupal-specific harsh review skill and agent with external skill references. | 11 | Claude Code, Codex | 3 | 1,714 tok |
| FortiumPartners/ai-mesh Best practice Documentation, prompts, commands and agent configurations for Claude Code | 11 | Claude Code, Codex, OpenCode | 2 | 9,171 tok |
| ArdaTX/Cybersec-Reporting-Engine Enterprise-Grade Cybersecurity Reporting Platform — Automated report generation for pentes | 11 | Claude Code, Codex, OpenCode | 12 | 1,086 tok |
| stblake/mathilda stblake.github.io A small, highly efficient computer algebra system in written in C99. | 11 | Claude Code, Codex, Cursor, Kiro, OpenCode, Windsurf | 39 | 4,883 tok |
| little-scale/alynxdj Atari Lynx Music Tracker | 11 | Claude Code, Codex, OpenCode | 2 | 8,490 tok |
| psycoder-sup/tian | 11 | Claude Code, Codex, OpenCode | 8 | 4,250 tok |
| GoranErhartic/backend-onboarding | 11 | Claude Code, Codex | 1 | — |
| wang90063/nslb-optimization-agent Automatic algorithm Iteration agent for competition about network scale load banlancing | 11 | Claude Code, Codex, OpenCode | 3 | 3,139 tok |
| databricks-solutions/genie-code-skills-demo databricks.com Example Genie Code skills, custom instructions, and MCP setup for enforcing enterprise dat | 11 | Codex, OpenCode | 1 | 599 tok |
| garlicwu/Poly-Editor demo.jhu-ai.com Poly Editor is a PPT-style web editor with drag-and-drop, multi-component and multi-page f | 11 | Claude Code, Codex, OpenCode | 2 | 3,151 tok |
| akiojin/unity-editor-mcp An MCP server and client for LLMs to interact with Unity Projects | 11 | Claude Code, Codex, OpenCode | 14 | 5,650 tok |
| Zulwatha/vardiya npmjs.com SQLite-backed job queue for Node.js. Durable background jobs, retries, priorities and cron | 11 | Codex, OpenCode | 1 | 677 tok |
| bgrgicak/Roomy | 11 | Claude Code, Codex, OpenCode | 2 | 561 tok |
| Priyansh9506/Frontend-Odyssey history-of-web.vercel.app 🗞️ The Frontend : History of Web An interactive, newspaper-inspired experience exploring | 11 | Claude Code, Codex, OpenCode | 2 | 4,454 tok |
| joinarun/accesspilot Agentic accessibility auditing and repair for web applications | 11 | Codex, OpenCode | 1 | 787 tok |
| lexlapax/allbert-assist Allbert Assist is a local-first assistant runtime for long-running personal work built in | 11 | Claude Code, Codex, OpenCode | 6 | 3,355 tok |
| moremeds/argon Options & flow analytics cockpit — dealer gamma, IV surface, dark-pool flow, and regime in | 11 | Claude Code, Codex, OpenCode | 2 | 12,594 tok |
| RuochenLyu/x2markdown chromewebstore.google.com One-click convert any webpage or X post to clean Markdown — for LLM chats, knowledge bases | 11 | Codex, OpenCode | 1 | 369 tok |
| keithligh/cinematic-3d-battle-engine A self-playing 3D battle-documentary engine: render any historical or fictional battle on | 11 | Codex, OpenCode | 1 | 3,247 tok |
| NextWeb4/NextWeb4.github.io nextweb4.github.io Validated public runtime for the NextWeb4 root GitHub Pages site. | 11 | Codex, OpenCode | 1 | 1,513 tok |
| Hikaru518/Ram Ram is an AI agent in Slack, built with FastAPI and connected to an OpenAI-compatible LLM | 11 | Codex, OpenCode | 1 | 4,595 tok |
| do4k/LogiTux | 11 | Codex, OpenCode | 1 | 1,000 tok |
| allxsmith/bestax bestax.io A fully-typed React component library for the Bulma CSS framework. Build modern UIs quickl | 11 | Claude Code, Codex, OpenCode | 6 | 4,682 tok |
| JerryLookupU/klein-harness Klein-Harness is a repo-local closed-loop .harness runtime for Codex-first agent work. | 11 | Codex, OpenCode | 1 | 221 tok |
| blopa/musclog-app musclog.app Musclog - Lift, Log, Repeat | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 25,482 tok |
| sycu8/cloudflare-onboarding-journey | 11 | Codex, OpenCode | 1 | 1,207 tok |
| popstas/planfix-mcp-server | 11 | Claude Code, Codex, OpenCode | 2 | 1,697 tok |
| cursive-team/rokid-apps Apps for Rokid AI glasses | 11 | Claude Code, Codex, OpenCode | 2 | 4,195 tok |
| kayac/nepp-chan web.nepp-chan.ai A chat application that lets you talk with “Neppu-chan,” the AI deputy village chief of Ot | 11 | Claude Code, Codex, OpenCode | 18 | 2,572 tok |
| Leonwenhao/deeprepo AI project memory for every coding tool. Analyze once, paste anywhere. | 11 | Claude Code, Codex, OpenCode | 2 | 626 tok |
| dalmasonto/umbral dalmasonto.github.io Umbral is a Rust Web-framework in which every capability is a plugin | 11 | Claude Code, Codex, OpenCode | 9 | 8,652 tok |
| alevizio/curb curb.guide SF street-parking rules on a map — street sweeping, meters & permit zones, with calendar r | 11 | Claude Code, Codex, OpenCode | 2 | 8,582 tok |
| nurockplayer/Jabiko Japanese conjugation trainer for Minna no Nihongo learners | 11 | Claude Code, Codex, OpenCode | 2 | 5,003 tok |
| altudev/wiro-ai-sdk Unofficial Community Maintained Wiro AI Sdk package for Node.js developers. | 11 | Claude Code, Codex, OpenCode | 2 | 3,643 tok |
| lin-zhijie-nana/kapathy-LLM-WIKI- This is my first project. It is a Chinese-language organization and extension of Karpathy' | 11 | Claude Code, Codex, OpenCode | 2 | 3,912 tok |
| johannhartmann/mcpcodeanalysis A code understanding MCP server. Let's see if we can use it to refactor code. | 11 | Claude Code, Codex, OpenCode | 2 | 3,420 tok |
| chanmaoganda/bili-rust Tauri 2 desktop Bilibili client (Rust + Leptos/WASM) | 11 | Claude Code, Codex, OpenCode | 2 | 2,080 tok |
| jin38324/oci-documentation-mcp-server Model Context Protocol (MCP) server for OCI Documentation | 11 | Codex, OpenCode | 1 | 1,526 tok |
| PhungXuanAnh/selenium-mcp-server | 11 | Claude Code, Codex, GitHub Copilot | 3 | 3,048 tok |
| mark3labs/phalcon-mcp MCP server that integrates with the BlockSec https://blocksec.com platform to provide bloc | 11 | Codex, OpenCode | 1 | 143 tok |
| fsans/fms-odata-mcp Model Context Protocol (MCP) server for FileMaker Server OData 4.01 API integration | 11 | Claude Code, Codex, OpenCode | 2 | 2,405 tok |
| appian-design/aurora-mcp appian-design.github.io This is a Model Context Protocol (MCP) server that provides access to Appian's design syst | 11 | Codex, OpenCode | 1 | 920 tok |
| tha23rd/recaf-mcp MCP server plugin for Recaf — enabling AI agents to perform Java reverse engineering | 11 | Claude Code, Codex, OpenCode | 2 | 1,137 tok |
| markdevshop/vector-mcp Vector MCP Server for AI Agents - Supports ChromaDB, Couchbase, MongoDB, Qdrant, and PGVec | 11 | Claude Code, Codex, OpenCode | 2 | 3,027 tok |