23,702 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318Frontend2,308Security2,170Project management1,960
All Claude Code32,505 Codex24,785 OpenCode23,702 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,771 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| EveryInc/after-automation-agent-mode Agent Mode companion kit for After Automation | 56 | Codex, OpenCode | 1 | 796 tok |
| kalamdb/KalamDB kalamdb.org A lightweight, Postgres compatable, real-time, storage-efficient SQL database. Designed fo | 56 | Claude Code, Codex, GitHub Copilot, OpenCode | 32 | 3,032 tok |
| mahimailabs/voicegateway voicegateway.dev The One Dashboard every Voice Agent needs | 56 | Claude Code, Codex, OpenCode | 11 | 1,973 tok |
| OWASP/Agent-Security-Regression-Harness owasp.community Executable security regression testing for agentic applications and MCP-integrated systems | 56 | Codex, OpenCode | 1 | 927 tok |
| Rtur2003/Claude-Code-Promts-Skills hasan-arthur-altuntas.xyz Production-ready prompt library for Claude coding agents. APEI methodology, ~35 specialist | 56 | Claude Code, Codex, OpenCode | 8 | 4,954 tok |
| acoyfellow/cloudbox cloudbox.coey.dev Durable Cloudflare computers for agents: run repos, steer live workspaces, verify results, | 56 | Codex, OpenCode | 1 | 670 tok |
| BeWaterMyFriend7/SKILL-PROJECT A collection of agent skills developed personally and excellent skills gathered online. Dr | 56 | Codex, OpenCode | 8 | — |
| SpartanLabsXyz/simmer-sdk simmer.markets Prediction market harness for AI agents — skills, MCP server, and Python SDK | 56 | Codex, OpenCode | 1 | 799 tok |
| smhjw/qbitremote | 56 | Codex, OpenCode | 1 | 731 tok |
| erayendes/app-store-connect-mcp npmjs.com Heimdall — MCP server for the Apple App Store Connect API and App Store Server API (StoreK | 56 | Claude Code, Codex, OpenCode | 2 | 1,712 tok |
| zcweah1981/awesome-hermes-agent-zh hermes-zh.com Hermes Agent Chinese site — a Chinese practical starting point: onboarding paths, domestic | 56 | Claude Code, Codex, OpenCode | 2 | 4,655 tok |
| aws-samples/sample-agent-skills-for-builders A curated collection of ready-to-use agent skills covering AWS development, security scann | 56 | Claude Code, Codex, OpenCode | 2 | 1,303 tok |
| ralforion/orionbelt-analytics ralforion.com Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHous | 56 | Claude Code, Codex, OpenCode | 2 | 2,074 tok |
| yupoet/aurumq-rl RL stock selection for China A-share — bundled polars-native factor library (105 Alpha101 | 56 | Claude Code, Codex, OpenCode | 2 | 4,000 tok |
| jpcaparas/skills My curated agent skills | 56 | Claude Code, Codex, OpenCode | 7 | 1,735 tok |
| gridaco/nothing nothing.graphics A 2D graphics engine. | 56 | Claude Code, Codex, OpenCode | 18 | 3,479 tok |
| HaseebKhalid1507/SynapsCLI A terminal-native AI agent runtime built in Rust. Interactive chat, parallel agent orchest | 56 | Codex, OpenCode | 1 | 15,996 tok |
| taptap/instant-games-open-mcp TapTap mini-game open capabilities MCP | 56 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 7 | 6,616 tok |
| oak-invest/kiso oak-invest.github.io Publishing engine and MCP server for Open Knowledge Format (OKF) | 56 | Codex, GitHub Copilot, OpenCode | 2 | 1,600 tok |
| Yupcha/memXT yupcha.github.io MemXT is a Local long-term memory for Claude Code & coding agents. 100% local | 56 | Claude Code, Codex, OpenCode | 1 | 379 tok |
| Vrooli/Vrooli vrooli.com Open-source, self-improving autonomous agent swarm🐇 | 56 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,260 tok |
| aghub-app/akproxy akproxy.akr.moe Connect existing Codex, Claude, Gemini, Kimi, Grok, and Devin subscriptions to programming | 56 | Claude Code, Codex, OpenCode | 6 | 818 tok |
| N0zoM1z0/th08 rea.tools Source reconstruction of 東方永夜抄 ～ Imperishable Night 1.00d | 55 | Codex, OpenCode | 6 | 1,296 tok |
| Synthesys-Lab/agentize AI-powered SDK for Software Development | 55 | Claude Code, Codex, OpenCode | 6 | 723 tok |
| notdp/worktree.sh Provide an out-of-the-box isolated environment for your codex/claude code. | 55 | Codex, OpenCode | 1 | 586 tok |
| perki/backloop.dev backloop.dev Loopback domain and SSL certs to serve https:// content from localhost | 55 | Codex, OpenCode | 1 | 4,101 tok |
| Nextron-Labs/surface-watch surface-watch monitors the authorized external attack surface of an organization over time | 55 | Codex, OpenCode | 1 | 3,196 tok |
| wheattoast11/openrouter-deep-research-mcp terminals.tech A multi-agent research MCP server + mini client adapter - orchestrates a net of async agen | 55 | Claude Code, Codex, OpenCode | 14 | 9,214 tok |
| mykola-kichatov/android-clean-template It's a typical list-detail app. Simple Android app template utilizing Jetpack Compose, sui | 55 | Claude Code, Codex, OpenCode | 2 | 4,960 tok |
| ThinkEx-OSS/thinkex thinkex.app Study and research, grounded in your sources | 55 | Codex, OpenCode | 1 | 166 tok |
| fsistemas/sql2json Python CLI tool to run queries against sqltatabases and convert the results to json, csv, | 55 | Claude Code, Codex, OpenCode | 2 | 6,370 tok |
| sous-chefs/varnish supermarket.chef.io Development repository for the varnish cookbook | 55 | Codex, GitHub Copilot, OpenCode | 2 | 1,904 tok |
| JKorf/CoinEx.Net cryptoexchange.jkorf.dev C#/.NET client library for the CoinEx.com cryptocurrency exchange REST and WebSocket APIs, | 55 | Codex, GitHub Copilot, OpenCode | 2 | 3,059 tok |
| pulumi/pulumi-self-hosted-installers pulumi.com Repository for getting started with self-hosted Pulumi Service. | 55 | Claude Code, Codex, OpenCode | 2 | 1,898 tok |
| fastlmm/FaST-LMM fastlmm.github.io Python version of Factored Spectrally Transformed Linear Mixed Models | 55 | Claude Code, Codex, OpenCode | 2 | 1,540 tok |
| hackerlibs/code-hacker Code Hacker - VS Code Custom Agent + Web + TUI | 55 | Codex, OpenCode | 1 | 1,222 tok |
| Dicklesworthstone/post_compact_reminder Claude Code hook that detects context compaction and injects a reminder to re-read AGENTS. | 55 | Codex, OpenCode | 1 | 4,769 tok |
| andresharpe/dotbot Structured, auditable AI-assisted development for teams. Zero-dependency MCP server, web d | 55 | Claude Code, Codex, OpenCode | 4 | 3,177 tok |
| lindoelio/spec-driven-steroids lindoelio.github.io Spec-Driven Steroids is a very simple toolkit designed to bring discipline to AI-powered s | 55 | Codex, OpenCode | 1 | 1,328 tok |
| pkdxtools/pkdx A tool using Claude Code/Codex for building Pokémon battle teams, calculating damage, sear | 55 | Claude Code, Codex, OpenCode | 12 | 6,436 tok |
| chemistrywow31/A-Team Multi-agent system that designs and generates complete agent team structures through conve | 55 | Claude Code, Codex, OpenCode | 19 | 5,123 tok |
| kimchiman52/3s-mister-arm Peak slop porting | 55 | Claude Code, Codex, OpenCode | 2 | 1,662 tok |
| ndthanhdev/mcp-browser-kit An MCP Server that enables AI assistants to interact with your local browsers. | 55 | Claude Code, Codex, OpenCode | 2 | 430 tok |
| tako0614/yurucommu-core yurucommu.com yurucommu ActivityPub server, API SDK | 55 | Claude Code, Codex, OpenCode | 2 | 1,092 tok |
| SkeneTechnologies/skene-cookbook 700+ AI skills for Claude and Cursor — PLG, marketing, security, DevEx, and more. One comm | 55 | Codex, Cursor, OpenCode | 2 | 3,860 tok |
| QuantumClaw/QClaw Open-source AI agent runtime with a knowledge graph for a brain. Runs anywhere. | 55 | Codex, OpenCode | 1 | 595 tok |
| The-AI-Alliance/cube-standard the-ai-alliance.github.io Standardize benchmark wrapping so the community can wrap various otherwise-incompatible be | 55 | Claude Code, Codex, OpenCode | 6 | 2,557 tok |
| oculus-samples/Unity-LocalMultiplayerMR Mixed Reality samples that demonstrate how to enable multiplayer | 55 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 7 | 1,116 tok |
| lsy2246/api-worker | 55 | Codex, OpenCode | 1 | 604 tok |
| infobip/plantuml-mcp-server | 55 | Claude Code, Codex, OpenCode | 2 | 1,198 tok |