23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dryvist/ai-assistant-instructions A comprehensive, vendor-agnostic framework for consistent AI-assisted development workflow | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,006 tok |
| EmZod/speak A fast CLI tool for Agents to convert their text output to speech using Chatterbox TTS on | 8 | Codex, OpenCode | 1 | 517 tok |
| ALCops/mcp-server nuget.org MCP server that brings ALCops AL code analyzers to AI assistants like Claude and Cursor | 8 | Claude Code, Codex, OpenCode | 3 | 5,814 tok |
| creatornader/atrib atrib.dev Verifiable agent actions. Every action becomes signed context for the next. Ed25519 signat | 8 | Claude Code, Codex, OpenCode | 4 | 20,384 tok |
| Andes-Software-Solutions/Andes.Extensions.AI nuget.org Composable Microsoft.Extensions.AI IChatClient middlewares for .NET — tool-call tracking w | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 5,338 tok |
| kevinslin/skillz | 8 | Claude Code, Codex, OpenCode | 2 | 2,549 tok |
| MisonL/Ling npmjs.com A Chinese AI Agent template toolkit for Gemini CLI, Antigravity, and Codex, providing one- | 8 | Claude Code, Codex, OpenCode | 69 | 1,373 tok |
| OutlineDriven/odin-reflector outlinedriven.github.io Codex CLI meta-reflection layer for Outline-Driven Development. Add-on for the Claude plug | 8 | Claude Code, Codex, OpenCode | 2 | 3,753 tok |
| edgar-durand/codeagent-mobile-clients codeagent-mobile.com Public source for CodeAgent Mobile clients: codeam-cli (npm), VS Code / Cursor / Windsurf | 8 | Claude Code, Codex, OpenCode | 4 | 14,012 tok |
| YuliiaKovalova/dotnet-template-mcp MCP server wrapping the .NET Template Engine for AI-driven template discovery, inspection, | 8 | Codex, GitHub Copilot, OpenCode | 2 | 1,696 tok |
| StringKe/std-agent One .stdai/ source of truth, fanned out to 22 AI coding tools: Claude Code, Codex, Cursor, | 8 | Claude Code, Codex, OpenCode | 3 | 806 tok |
| S3DFX-CYBER/Claude-Skills-Security A production-grade security triage skill for AI agents. | 8 | Codex, OpenCode | 1 | 1,494 tok |
| kangdacool/hwpx-editing-skill A validated ruleset + Python tool skill that enables LLM agents such as Claude Code and Co | 8 | Codex, OpenCode | 1 | 507 tok |
| Lombiq/Orchard-Core-Agent-Skills Reusable, agent-agnostic knowledge packs for Orchard Core development, focused on theming, | 8 | Codex, OpenCode | 1 | 301 tok |
| vunm-io/passdown Shift-handover workflow for AI coding agents — capture ideas into an inbox, dispatch tasks | 8 | Claude Code, Codex, OpenCode | 1 | 1,280 tok |
| kogakure/skills Collection of AI Agent Code skills | 8 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| AgenticFirst/Cerebro Cerebro is an open-source personal intelligence system for building AI experts, automating | 8 | Claude Code, Codex, OpenCode | 2 | 2,138 tok |
| d4rkNinja/infynon-cli cli.infynon.com Security-first Rust CLI for dependency risk scanning, API workflow testing, and shared cod | 8 | Claude Code, Codex, OpenCode | 2 | 997 tok |
| Luminaire1337/mtasa-docs-mcp MCP server for MTA:SA documentation with intelligent search and caching | 8 | Codex, OpenCode | 1 | 5,603 tok |
| ting-hong-shieh/polish-open-source-prose Agent Skill for Claude Code + Codex that edits open-source prose without losing facts or v | 8 | Codex, OpenCode | 1 | 128 tok |
| ivan-magda/uikit-expert-skill Agent skill for writing correct, modern UIKit code in Swift. Covers lifecycle, memory, con | 8 | Claude Code, Codex, OpenCode | 2 | 1,387 tok |
| agentverus/agentverus-scanner agentverus.ai Trust, but verify. Security scanner for AI agent skills. Detects prompt injection, data ex | 8 | Codex, OpenCode | 1 | 2,548 tok |
| sprngr/rubber-duck 🦆 Socratic assistant operating system for developers who want better-quality decisions, n | 8 | Claude Code, Codex, OpenCode | 2 | 1,517 tok |
| nbpadilha/nbp-skillforge Compose agent skills (SKILL.md / commands) from reusable bricks, with a drift-gate. | 8 | Codex, OpenCode | 1 | 524 tok |
| mooqii/OpenPanels Extensible side panels for AI agents. | 8 | Codex, OpenCode | 1 | 896 tok |
| ShaheerKhawaja/ProductionOS ProductionOS v1.0 — Claude Code plugin with 76 agents, 39 commands, and 12 hooks. Deploys | 8 | Claude Code, Codex, OpenCode | 2 | 5,986 tok |
| Lrinvl1203/world-class-web-design-os lrinvl1203.github.io 17 installable agent skills for distinctive web design: art direction, implementation, cri | 8 | Codex, OpenCode | 1 | 1,112 tok |
| gmickel/better-skill-builder Skill that teaches AI agents how to build Agent Skills for Claude Code, Codex, Amp, and Op | 8 | Claude Code, Codex, OpenCode | 2 | 360 tok |
| hariharapanigrahy/layerkit Evidence-first AI agent workbench for vendor API integrate & contract heal — real producti | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,066 tok |
| SiliconEinstein/gaia-lkm-skills Agent skills for Gaia/LKM evidence-chain retrieval, evidence subgraph auditing, and schola | 8 | Codex, OpenCode | 1 | 174 tok |
| netresearch/typo3-ddev-skill Agent Skill for automating DDEV environment setup in TYPO3 extension projects | Claude Cod | 8 | Codex, OpenCode | 1 | 1,074 tok |
| kstonekuan/webskills WebSkills turns any webpage into an agent skill - npx webskills | 8 | Claude Code, Codex, OpenCode | 2 | 18 tok |
| leynier/telegram-cli pypi.org Agent-first Telegram CLI with structured JSON/JSONL and skills for Claude Code, Codex, Ant | 8 | Claude Code, Codex, OpenCode | 2 | 531 tok |
| RoninForge/budgetclaw roninforge.org Local spend monitor for Claude Code with hard budget caps: track cost per project and git | 8 | Codex, OpenCode | 1 | 1,627 tok |
| akshatnerella/plumber Root cause first. An idiot admires complexity, a genius admires simplicity. | 8 | Codex, GitHub Copilot, OpenCode | 2 | 774 tok |
| ztemerbekov/a1-marketing-skills t.me Hand over the routine to AI agents — freeing marketing teams to focus on strategy, vision, | 8 | Codex, OpenCode | 1 | 2,397 tok |
| NodeSpaceAI/nodespace-core nodespace.ai Local-first knowledge base with semantic search for AI coding assistants. Fewer tokens, fa | 8 | Claude Code, Codex, OpenCode | 15 | 10,404 tok |
| DDS-Solutions/AI-TadPole-OS dds-solutions.github.io AI-Tadpole-OS a local-first "development platform" a Lily Pad to jump from for running aut | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,901 tok |
| TwoWells/Catenary twowells.github.io Giving AI coding agents LSP-powered code intelligence. | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,552 tok |
| berkcangumusisik/repo-seatbelt npmjs.com A safety layer for AI coding agents. CLAUDE.md/AGENTS.md generator, MCP runtime guardrail, | 8 | Claude Code, Codex, OpenCode | 2 | 1,503 tok |
| stainless-code/codemap stainless-code.com Cut AI-agent token waste ~90% — query a local SQLite structural index of your JS/TS/CSS co | 8 | Claude Code, Codex, OpenCode | 27 | 632 tok |
| ccbud/CCBuddy ccbud.github.io Coding CLl Buddy, Allow more APIs to access coding cli, protocol conversion, and focus on | 8 | Claude Code, Codex, OpenCode | 9 | 1,597 tok |
| jmpijll/fortimanager-code-mode-mcp MCP server for FortiManager using the Code Mode pattern — 2 tools (search + execute) with | 8 | Codex, OpenCode | 1 | 1,701 tok |
| anirbanbasu/pymcp pypi.org A template repository for developing MCP servers in Python | 8 | Claude Code, Codex, OpenCode | 2 | 1,470 tok |
| replenhq/replen replen.dev Smarter AI Development Workflows | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 8,308 tok |
| dwnmf/codex_remote Remote control of Codex CLI from a browser: live output, approvals, and self-hosting (Clou | 8 | Codex, OpenCode | 1 | 63 tok |
| yideng-xl/gemini-cli-hud Real-time bottom-sticky HUD for Gemini CLI — model, context usage, tool calls, and more | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 421 tok |
| urbanmorph/mdshare Share and collaborate on local markdown files via shareable links | 8 | Claude Code, Codex, OpenCode | 2 | 1,193 tok |
| kiali/openshift-servicemesh-plugin Webpack Plugin to integrate Kiali into OpenShift Console | 8 | Claude Code, Codex, OpenCode | 2 | 7,413 tok |
| DorianSchlede/nexus-template | 8 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 12 | 377 tok |