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 |
|---|---|---|---|---|
| sherifabdlnaby/skills 🍣 Hand-rolled AI Skills distilled from my everyday experience. Git & Mise (...and others) | 8 | Codex, OpenCode | 1 | 1,402 tok |
| ysskrishna/ai-agent-skills Structured thinking skills for AI agents: brainstorming, decision support, systems thinkin | 8 | Claude Code, Codex, OpenCode | 2 | 2,500 tok |
| QuasarG/taste-bank tastebank.cloud An open-source frontend design manager. | 8 | Claude Code, Codex | 1 | — |
| AgenticFirst/Cerebro Cerebro is an open-source personal intelligence system for building AI experts, automating | 8 | Claude Code, Codex, OpenCode | 2 | 2,138 tok |
| Avierovich/openpitch avierovich.github.io Open, real-time, fully-sourced intelligence on AI startups — MCP-native, zero-cost. A free | 8 | Claude Code, Codex, OpenCode | 3 | 4,511 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 |
| MikeyPetrillo/Agent402 agent402.tools agent402.tools: 500+ pay-per-call tools, metered models and finished reports for AI agents | 8 | Claude Code, Codex, Cursor, OpenCode | 2 | 997 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 |
| amadeus-dlc/amadeus Agent skills, templates, examples, validators, and docs for operating Amadeus DLC, a lifec | 8 | Claude Code, Codex, OpenCode | 11 | 4,995 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 |
| EricSanchezok/repo-seed Seed agent-native, self-governing repos: AGENTS.md, MADR decision logs, deterministic gate | 8 | Claude Code, Codex, OpenCode | 2 | 1,047 tok |
| hamza-ali-shahjahan/hamzaish hamzaish.com Open-source agent OS for Claude Code that puts you in Builder Mode — and keeps you there f | 8 | Claude Code, Codex, OpenCode | 5 | 10,328 tok |
| imboard-ai/ai-dossier dossier-registry.vercel.app Universal standard for LLM-executable automation | 8 | Claude Code, Codex, OpenCode | 2 | 754 tok |
| AnimaApp/smarter-agent Minimal, self-checking, simulation-driven improvement for AI agents | 8 | Codex, OpenCode | 1 | 331 tok |
| Karthick-Ramachandran/persist-os Local-first CLI that gives your repo durable, AI-ready memory - features, ADRs, modules, a | 8 | Claude Code, Codex, OpenCode | 2 | 1,426 tok |
| sendx/email-skills SendX's best practices for message performance, email sending deliverability and complianc | 8 | Claude Code, Codex, OpenCode | 2 | 930 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 |
| robertoecf/adversarial-review Review triad plugin for Claude Code: prompt optimization, adversarial red-team review, pla | 8 | Claude Code, Codex, OpenCode | 2 | 3,062 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 |
| huangguang1999/paseo-skins huangguang1999.github.io Open-source Paseo themes and skins with a local theme builder, one-click Agent Skill, and | 8 | Codex, OpenCode | 1 | 507 tok |
| adulari/forge forge.adulari.dev Fast, model-agnostic AI coding harness and CLI in Rust — routes every task to the optimal | 8 | Codex, OpenCode | 1 | 998 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 |
| ZachArticulateV/designer-pro-and-seo Free MIT Claude Code plugin for the web-design + SEO workflow: design systems, on-brand pa | 8 | Claude Code, Codex, OpenCode | 2 | 3,510 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 | 852 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 |
| frankxai/Starlight-Intelligence-System starlightintelligence.org Sovereign AI substrate for memory, orchestration, skills, governance, and evals across Cla | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 11,259 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 |
| kainulla/skillfire npmjs.com Will your SKILL.md win the routing race, or get cannibalized by the skills people already | 8 | Codex, OpenCode | 1 | 159 tok |
| Avyayalaya/agent-prime avyayalaya.github.io A persistent AI operating system. 13 specialized agents + a runtime-portable 5-agent quali | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 12,325 tok |
| timurgaleev/memex Self-hosted personal AI knowledge brain -- hybrid (vector + keyword + entity-graph) search | 8 | Claude Code, Codex, OpenCode | 2 | 5,761 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 | 2,920 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 |
| dkstm95/hope Hope helps people take on more complex work with AI while preserving their judgment and ag | 8 | Claude Code, Codex, OpenCode | 2 | 248 tok |
| seokan-jeong/team-shinchan 15 Shinchan character agents that debate, plan, execute, and learn. Stop doing everything | 8 | Claude Code, Codex, OpenCode | 2 | 1,360 tok |
| goadesign/goa-ai goa.design Design-first agentic systems in Go: declare agents, tools, MCP servers, policies, and stru | 8 | Claude Code, Codex, OpenCode | 2 | 3,815 tok |
| osauer/canary osauer.dev Canary is a local Interactive Brokers risk desk for MCP, CLI, the paired app, and Go. Stan | 8 | Claude Code, Codex, OpenCode | 3 | 3,222 tok |
| Elnora-AI/elnora-merit-aktiva Merit Aktiva accounting + Merit Palk payroll API — CLI and Claude Code plugin. Universal, | 8 | Codex, OpenCode | 1 | 1,006 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 |
| acartag7/mcp-sso OAuth 2.1 and enterprise SSO for remote MCP servers without API keys in client configs. | 8 | Claude Code, Codex, OpenCode | 4 | 4,794 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 |
| Leoyang183/sync-agents-settings Sync MCP server configs from Claude Code to Gemini CLI, Codex CLI, OpenCode, Kiro, and Cur | 8 | Claude Code, Codex, OpenCode | 2 | 2,154 tok |