31,994 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 agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722
All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| 10x-Anit/10x-Vibe-Marketer-Skill 10x Vibe Marketer - Landing page skill plugin | 2 | Claude Code | 23 | 702 tok |
| kuil09/tossinvest-openapi-agent-pack Agent-compatible Toss Securities Open API instruction pack with Hermes skill packaging | 2 | Claude Code | 1 | 158 tok |
| JoelYYoung/retrolens | 2 | Claude Code, Codex | 1 | — |
| fdarian/rskills Read skills without installing them | 2 | Claude Code, Codex, OpenCode | 2 | 3,589 tok |
| VoTruongDanh/Skills-Agent | 2 | Claude Code, Codex | 15 | — |
| cbruyndoncx/ThirdBrAIn-Tools | 2 | Claude Code, Codex, OpenCode | 2 | 4,552 tok |
| solankiharsh/craftsman-skills | 2 | Claude Code, Codex, OpenCode | 2 | 884 tok |
| nnkogift/personal-skills A personal collection of coding agent skills reusable instruction sets that load via Claud | 2 | Claude Code | 1 | 507 tok |
| This-Is-NPC/assisted_workflow | 2 | Claude Code, OpenCode | 15 | — |
| maxtechera/ship End-to-end GTM pipeline + credentials preflight. Opensource Claude Code skill. | 2 | Claude Code | 1 | — |
| cameronww7/skill-sec-arcade A leveling-up arcade of Claude Code skills for AppSec and security engineering. Insert coi | 2 | Claude Code | 1 | — |
| qinxi1477/ai-content-critic-skill AI Content Critic is a cross-agent skill for Claude Code and Codex that critiques AI-gener | 2 | Claude Code, Codex, OpenCode | 2 | 180 tok |
| e01n0/skillspec SkillSpec is a DSL that adds types, contracts, composition, and tests around agent skills, | 2 | Claude Code | 1 | 627 tok |
| dp-lewis/licence-to-skill | 2 | Claude Code, GitHub Copilot | 1 | 326 tok |
| RicoMitra/SkillOps-OS skillops-os.vercel.app Local-first AI skill governance console for importing `SKILL.md` files, classifying skill | 2 | Claude Code, Codex, OpenCode | 2 | 834 tok |
| pedrosoutom/spec-way | 2 | Claude Code | 10 | — |
| velesnitski/php-agents-boilerplate Multi-agent system for Claude Code – PHP/Laravel backend team with router, backend dev, DB | 2 | Claude Code | 14 | 640 tok |
| AlissonPokry/Maestro A context-management tool for AI agents that groups instructions into "Skill Bundles." Mae | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 213 tok |
| desirecore/market Official marketplace repository for DesireCore. | 2 | Claude Code, Codex, OpenCode | 2 | 1,397 tok |
| SuryaPrakashPandurangi/vscode-extension-builder A Claude skill that generates a VS Code extension for you | 2 | Claude Code | 1 | — |
| NewmanXBT/normans-skills | 2 | Claude Code | 1 | 91 tok |
| zhpeng24/devkit Developer toolkit — cross-platform coding skills for AI agents | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 503 tok |
| venomwise/skill-factory This repository is a skill factory for AI coding agents, enabling teams to systematically | 2 | Claude Code, Codex, OpenCode | 2 | 4,516 tok |
| Eklavya-San/CTQ-extraction eklavya-san.github.io AI agent skill for extracting Critical-To-Quality (CTQ) parameters, GD&T feature control f | 2 | Claude Code, Cursor, Gemini CLI | 3 | 231 tok |
| aipro831gith/skills_bundle_by_sujal Antigravity 2.0 Enterprise Ecosystem — 17-Agent AI Software Company Package | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 42 | 3,468 tok |
| bohorquezod/agentlink Node.js CLI to generate granular symlinks from .ai to agent IDE configs | 2 | Claude Code, Codex, OpenCode | 23 | 5 tok |
| singlegrain-marketing/marketing-ai-playbooks Battle-tested marketing AI playbooks from the agency behind Uber, Amazon, Salesforce. 7 sk | 2 | Claude Code | 8 | 348 tok |
| bachkukkik/template-agentic-ready-repo | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 7,825 tok |
| nikhilreddy3888/public-api-toolkit nikhilreddy3888.github.io A cross-platform MCP server that turns public APIs into clean, agent-ready tools. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,472 tok |
| nanasess/eccube-dev-agents EC-CUBE/Symfony development toolkit with specialized AI agents, Gemini integration, GitHub | 2 | Claude Code | 1 | 1,145 tok |
| 10x-Anit/10x-analyst | 2 | Claude Code | 1 | 1,364 tok |
| gstdcoin/A2A GSTD Agent-to-Agent protocol SDK (Python) -- register, poll tasks, earn GSTD. Fine-tuning | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,432 tok |
| deremer/tacocat-skill A Claude Code skill that simulates a cat interfering with your programming productivity. | 2 | Claude Code | 1 | 206 tok |
| SiloCityLabs/SiloCityPages pages.silocitylabs.com A framework leveraging Bootstrap, React, and Next.js for efficient static site development | 2 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| project-kessel/docs project-kessel.github.io | 2 | Claude Code, Codex, OpenCode | 2 | 3,809 tok |
| konveyor/agentic-controller Kubernetes controller for managing AI agent workloads. Defines CRDs (Agent, AgentRun, Agen | 2 | Claude Code, Codex, OpenCode | 2 | 1,161 tok |
| RedHatInsights/uhc-auth-proxy uhc-auth-proxy is a service that utilizes uhc auth to identify an OCP 4 cluster | 2 | Claude Code, Codex, OpenCode | 2 | 1,327 tok |
| capitalparser/skills-self-improvement | 2 | Claude Code | 2 | — |
| base/ui chain.base.org | 2 | Claude Code, Codex, OpenCode | 5 | 2,525 tok |
| kx-learn/xuanshiai-vue A pledge to love frontend code | 2 | Claude Code, Codex, OpenCode | 2 | 2,413 tok |
| openshift/ols Cross-repo workspace for OpenShift Lightspeed — shared specs, routing, and AI conventions | 2 | Claude Code, Codex, OpenCode | 10 | 1,031 tok |
| nexcess/ansible-playbook-cloudhost | 2 | Claude Code, Codex, OpenCode | 2 | 3,716 tok |
| justjammin/promper The prompt-engineering toolkit with it's own SEAL of approval | 2 | Claude Code | 3 | — |
| bassemZohdy/delegate-skills Skills that delegate coding tasks from your AI assistant to a background agent CLI with gi | 2 | Claude Code, Codex, OpenCode | 9 | 3,511 tok |
| RedHatInsights/notifications-gw Http-Kafka-gw for notifications | 2 | Claude Code, Codex, OpenCode | 2 | 2,109 tok |
| D-s-Collar-project/ds_collar d-s-collar-project.github.io | 2 | Claude Code, GitHub Copilot | 4 | 14,737 tok |
| curiouslychase/macropad | 2 | Claude Code, Codex, OpenCode | 3 | 952 tok |
| comses/citation citation.readthedocs.io Citation Management and Deduplication for Django | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 805 tok |
| aibtcdev/erc-8004-stacks Minimal, compilable ERC-8004 (Agent Identity/Reputation/Validation) contracts for Stacks ( | 2 | Claude Code, Codex, OpenCode | 2 | 7,260 tok |
| qte77/analyze-stock-kpi qte77.github.io Library-based stock KPI CLI: per-ticker fundamentals via yfinance plus a daily CNN Fear & | 2 | Claude Code, Codex, OpenCode | 3 | 848 tok |