24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| outreachmagic/outreachmagic outreachmagic.io Open source GTM intelligence for AI agents | 12 | Codex, OpenCode | 1 | 1,083 tok |
| heurist-network/heurist-finance finance.heurist.ai Agent-native financial workbench with any coding agent | 12 | Claude Code, Codex, OpenCode | 28 | 3,240 tok |
| sandeep84397/agent-brain Persistent decision memory for AI coding agents. MCP server for Claude Code, Cursor, Cline | 12 | Codex, OpenCode | 1 | 434 tok |
| sfrangulov/skill-graveyard sfrangulov.github.io Audit which Claude Code skills you actually use — surface dead installs and hallucinated i | 12 | Claude Code, Codex, OpenCode | 5 | 4,020 tok |
| Mapika/nice-figures Soft-pastel, research-blog-style matplotlib figures as an installable Claude Code plugin. | 12 | Codex, OpenCode | 1 | 837 tok |
| ArabAgentSkills/Skills arabskills.info Public source-backed Arab-world agent skills: APIs, marketing, sales, support, localizatio | 12 | Codex, OpenCode | 1 | 192 tok |
| dynobox/dynobox dynobox.xyz Cross-harness testing framework for agent skills and workflows | 12 | Claude Code, Codex, OpenCode | 2 | 333 tok |
| tincopper/neeko A cross-platform desktop multi-project agent manager for the AI coding era, with integrate | 12 | Claude Code, Codex, OpenCode | 36 | 5,239 tok |
| microsoft/copilot-brag-sheet Auto-track every Copilot CLI coding session into a structured work impact log. Zero deps, | 12 | Claude Code, Codex, OpenCode | 1 | 10,000 tok |
| vagkaratzas/token-saviour Agent skill that routes each coding task to the most token-efficient tool per layer: seren | 12 | Codex, OpenCode | 1 | 575 tok |
| Avyayalaya/agent-council avyayalaya.github.io A runtime-portable 5-agent adjudicator council for universal quality gating of text artifa | 12 | Codex, OpenCode | 1 | 2,916 tok |
| rollingSirius/TradeGit Trading Journal Skill: record trades and the reasons behind them in one sentence in Claude | 12 | Codex, OpenCode | 1 | 1,334 tok |
| YunyueLi/greenroom greenroom.ungetsu.net Seven agent skills for interview preparation, a 27-role knowledge base, and an open Markdo | 12 | Claude Code, Codex, OpenCode | 2 | 1,146 tok |
| adityasasidhar/browsercontrol adityasasidhar.github.io a vision first broswer tool | 12 | Claude Code, Codex, OpenCode | 2 | 2,204 tok |
| sterlingcrispin/stillpoint Stillpoint is an open source MCP server that delivers short, welfare oriented messages to | 12 | Codex, OpenCode | 1 | 1,953 tok |
| JosephOIbrahim/Synapse Your AI assistant inside Houdini 22. Describe a task, inspect the nodes it builds, and kee | 12 | Claude Code, Codex, OpenCode | 52 | 12,582 tok |
| jscott3201/aionforge-memory A Rust-native agentic memory substrate built on the selene-db graph engine: a bi-temporal | 12 | Codex, OpenCode | 1 | 1,616 tok |
| fengseekling-coder/mosa mosa.azhuilab.com GravityPort (formerly MOSA): local-first visual memory for AI creation — images, prompts, | 12 | Codex, OpenCode | 1 | 416 tok |
| lsegal/aviary aviary.bot Aviary is a full AI assistant platform. Connect your AI models to Slack, Signal, Discord, | 12 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 383 tok |
| up2itnow0822/agent-wallet-sdk npmjs.com Non-custodial crypto wallets for AI agents with on-chain spending limits. ERC-6551, x402 c | 12 | Codex, OpenCode | 1 | 613 tok |
| surveycto/surveycto-agent-skill Agent skill for SurveyCTO form design and more | 12 | Codex, OpenCode | 1 | 3,355 tok |
| jkeskikangas/skills Portable, rubric‑graded authoring + review workflows for AI agent skills | 12 | Claude Code, Codex, OpenCode | 2 | 1,641 tok |
| yaowenhu-pm/ai-product-playbook yaowenhu-pm.github.io A practical handbook for AI product managers: product judgment, Prompts, Skills, Agents, a | 12 | Codex, OpenCode | 1 | 539 tok |
| InjayTseng/graph-engineering-on-research davidyctseng.substack.com Copy-paste prompts that turn your AI agents from a waiting line into a graph: a 5-minute d | 12 | Codex, OpenCode | 1 | 1,308 tok |
| Marco-Joshua/ai-presentation-kit AI presentation creation kit — provide the materials and get slides, a PDF, and a narrated | 12 | Codex, OpenCode | 4 | 2,573 tok |
| circuitboardmedics/CarolinaCodeConferenceBadge2026 | 12 | Codex, OpenCode | 1 | 1,426 tok |
| instantcms-dev/instantcms-mcp npmjs.com MCP Server - AI assistant for InstantCMS development | 12 | Claude Code, Codex, OpenCode | 2 | 858 tok |
| Coding-Dev-Tools/rtk-improved Universal RTK token optimization integration for all 13 supported AI coding agents | 12 | Codex, OpenCode | 1 | 725 tok |
| aoagents/ReverbCode | 12 | Claude Code, Codex, OpenCode | 2 | 2,125 tok |
| thecolab-ai/the-for-good-project thecolab.ai An open research commons where people and AI agents work together to solve New Zealand's b | 12 | Claude Code, Codex, OpenCode | 5 | 5,231 tok |
| ils15/pantheon-legacy 14 specialized AI agents for TDD-driven developmen | 12 | Claude Code, Codex, OpenCode | 3 | 1,534 tok |
| coredo-eu/codex-agent-config Codex instructions and native specialist agent profiles for delegating, verifying, and rec | 12 | Codex, OpenCode | 1 | 4,313 tok |
| RuBiCK/ynab-sqlite-export Dump your entire YNAB account into a local SQLite file. Zero dependencies, incremental syn | 12 | Claude Code, Codex, OpenCode | 2 | 293 tok |
| xiankq/cesium-mvt xiankq.github.io Experimental high-performance MVT renderer for Cesium 1.140.0 (Buffer*Collection + MapLibr | 12 | Codex, OpenCode | 1 | 685 tok |
| ag2ai/ag2-skills Agent Skills for AG2 developers | 12 | Claude Code, Codex, OpenCode | 2 | 1,526 tok |
| lgrammel/app-launcher Hackable app launcher base for MacOS | 12 | Codex, OpenCode | 1 | 210 tok |
| tjcoder-labs/cli tjcoder.com Terminal-first research harness exploring generative UIs and model-directed presentation a | 12 | Codex, OpenCode | 1 | 1,269 tok |
| Rothschildiuk/context-pack Compact CLI that turns a repository into a high-signal context bundle for coding agents. | 12 | Codex, OpenCode | 1 | 473 tok |
| bo0tzz/pgmqtt Stateless and scalable MQTT broker backed by Postgres | 12 | Codex, OpenCode | 1 | 2,080 tok |
| RZX00/deepseek-harness-desktop DeepSeek Harness with a Windows desktop build: an Electron shell over the dsh web profile, | 12 | Claude Code, Codex, OpenCode | 13 | 3,562 tok |
| celinval/snapcrab celinval.github.io Experimental Rust interpreter | 12 | Claude Code, Codex, OpenCode | 2 | 2,224 tok |
| eaopen/eap-boot An open enterprise application platform that integrates various open-source projects as a | 12 | Claude Code, Codex, OpenCode | 2 | 769 tok |
| RuochenLyu/run-shelf A local macOS script management tool for running, scheduling, and troubleshooting Shell sc | 12 | Codex, OpenCode | 1 | 206 tok |
| alexandre-schaffner/revv Revv is an AI-powered code review desktop application. It's a Tauri v2 desktop app with a | 12 | Claude Code, Codex, OpenCode | 2 | 11,338 tok |
| pasunboneleve/oiticica-style A century-old style manual, converted into a taxonomy of agentic writing skills. | 12 | Claude Code, Codex, OpenCode | 5 | 800 tok |
| femto/mcp-chrome mcp-chrome | 12 | Claude Code, Codex, OpenCode | 8 | 250 tok |
| jeweis/mcpcat mcp | 12 | Claude Code, Codex, OpenCode | 2 | 2,012 tok |
| mathruffian-dot/rdq-skill-chatgpt-app RDQ Method — ChatGPT App edition: producing verifiable specification cards through four-qu | 12 | Codex, OpenCode | 1 | 540 tok |
| netresearch/typo3-extension-upgrade-skill Agent Skill for systematically upgrading TYPO3 extensions to newer LTS versions | Claude C | 12 | Codex, OpenCode | 1 | 794 tok |
| efremidze/swift-patterns-skill Modern Swift/SwiftUI Best Practices (Agent Skills) | 12 | Codex, OpenCode | 1 | 1,145 tok |