23,307 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 agents7,541Claude Code6,614Data and AI3,687Backend and APIs3,492Languages3,397Planning3,211Git and workflow3,159Code review2,735Memory and context2,362Testing2,357DevOps and cloud2,306Writing and docs2,299Research2,296Frontend2,252Security2,009Productivity1,710
All Claude Code32,137 Codex23,307 OpenCode22,079 GitHub Copilot3,547 Gemini CLI1,916 Cursor1,738 Windsurf121 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| harness/harness-skills developer.harness.io A collection of structured AI agent skills that enable Claude Code, Cursor, GitHub Copil | 106 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,500 tok |
| wei63w/pm-manager Know what to fix next — local .pm governance skill pack for AI coding agents (Spec Kit–ins | 106 | Codex, OpenCode | 1 | 110 tok |
| elixir-vibe/pi-elixir BEAM runtime tools for pi — connects to the running Elixir app via Tidewave | 106 | Codex, OpenCode | 1 | 1,626 tok |
| axcslmd/video-auto-maker | 106 | Codex, OpenCode | 22 | 18,038 tok |
| dvcrn/mcp-server-devonthink | 105 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,482 tok |
| nduc99911/repo-context-mcp MCP server: repo map, code search, and token-aware context packs for AI coding agents | 105 | Codex, OpenCode | 1 | 301 tok |
| smartfrog/opencode-froggy | 105 | Claude Code, Codex, OpenCode | 9 | 1,125 tok |
| foxzool/openlark Unofficial Rust SDK for the Lark Open Platform, supporting custom bots, long-connection bo | 105 | Claude Code, Codex, OpenCode | 9 | 2,419 tok |
| gviiisen/repo-context-ledger Agent Skill for AI context management: provides cross-window continuity for Codex context | 105 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,430 tok |
| celeritas-project/celeritas celeritas-project.github.io Celeritas is a new Monte Carlo transport code designed to accelerate scientific discovery | 105 | Codex, GitHub Copilot, OpenCode | 2 | 2,452 tok |
| lynxlangya/techne techne.wangyun.fan Forcing-function skills for AI agents — validated to improve behavior, not just change it. | 105 | Claude Code, Codex, OpenCode | 2 | 3,746 tok |
| avivsinai/langfuse-mcp A Model Context Protocol (MCP) server for Langfuse, enabling AI agents to query Langfuse t | 105 | Claude Code, Codex, OpenCode | 2 | 872 tok |
| yyzybb537/remote_claude | 105 | Claude Code, Codex, OpenCode | 2 | 12,736 tok |
| gintasz/unigent Build stateful agent workflows with typed outputs, reusable tools, session forks, and ordi | 105 | Claude Code, Codex, OpenCode | 4 | 553 tok |
| yangtaihong59/siyuan-plugins-mcp-sisyphus yangtaihong59.github.io A tool for connecting Agents with Siyuan. | 105 | Claude Code, Codex, OpenCode | 8 | 9,183 tok |
| coctostan/pi-hashline-readmap A unified pi-coding-agent extension combining hash-anchored file editing with structural c | 105 | Codex, OpenCode | 1 | 1,176 tok |
| AdamBien/bce.design minimal magic, minimal tooling, essential dependencies, high productivity, no transpilatio | 105 | Codex, OpenCode | 1 | 632 tok |
| mishamyrt/perplexity-web-api-mcp mishamyrt.github.io 🔍 Perplexity AI MCP without API key | 105 | Codex, OpenCode | 1 | 507 tok |
| SalesforceAIResearch/agentforce-adlc Agent Development Life Cycle — Build, deploy, test, and optimize Agentforce agents using C | 105 | Claude Code, Codex, OpenCode | 2 | 2,959 tok |
| Onenightcarnival/agent-engineering-philosophy onenightcarnival.github.io An engineering philosophy that treats the agent as a worker: the system prompt is a JD, sk | 105 | Claude Code, Codex, OpenCode | 2 | 3,476 tok |
| prometheus/prometheus-mcp MCP server for LLMs to interact with Prometheus | 105 | Claude Code, Codex, OpenCode | 2 | 1,884 tok |
| akhayam99/goodboy goodboy-ai.dev Stop re-explaining yourself | 105 | Claude Code, Codex, OpenCode | 2 | 1,619 tok |
| gokeshenzhen/TraceWeave pypi.org A universal MCP Server for test platform logs, waveforms (FSDB/VCD), and root cause analys | 105 | Claude Code, Codex, OpenCode | 2 | 8,348 tok |
| googlemaps/platform-ai | 105 | Codex, Gemini CLI | 1 | 1,068 tok |
| tomkabel/google-botguard-security-research A Case Study in Bypassing Client-Side Anti-Fraud Mechanisms | 104 | Codex, OpenCode | 1 | 361 tok |
| khanhcamap2020-sudo/formkind Global-readiness toolkit for international forms across HTML, JSX, Vue, Svelte, and CI. | 104 | Codex, OpenCode | 1 | 261 tok |
| mcpc-tech/mcpc Build agentic-MCP servers by composing existing MCP tools. | 104 | Claude Code, Codex, GitHub Copilot | 5 | 1,191 tok |
| codebar/planner codebar.io 🗓 the main codebar site | 104 | Codex, OpenCode | 1 | 2,868 tok |
| ricoyudog/Coding_Corgi_flow OpenSpec GitFlow — structured AI engineering workflows with issue tracking | 104 | Claude Code, Codex, OpenCode | 57 | — |
| ezefranca/campeonato-brasileiro-api API simples do Campeonato Brasileiro | 104 | Claude Code, Codex, OpenCode | 3 | 306 tok |
| Teczer/fast-expo-app fast-expo-app-web.vercel.app ⚡ Fast Expo App - React Native boilerplate CLI for rapid mobile app development. Instantly | 104 | Codex, OpenCode | 1 | 7,730 tok |
| tonylofgren/aurora-smart-home instagram.com Independent Claude Skills for the whole smart home: Home Assistant, ESPHome, Node-RED, cus | 104 | Claude Code, Codex, OpenCode | 1 | 576 tok |
| weaviate/agent-skills Agent Skills to empower developers building AI applications with Weaviate. | 104 | Claude Code, Codex, OpenCode | 2 | 1,661 tok |
| ericdrowell/brometal brometal.dev BroMetal is an LLVM-inspired compiler that transforms TypeScript into highly optimized GPU | 104 | Claude Code, Codex, OpenCode | 2 | 2,052 tok |
| unraid/apprise-go Apprise, Ported to Go | 104 | Codex, OpenCode | 1 | 306 tok |
| openkaiden/kaiden openkaiden.ai | 104 | Claude Code, Codex, OpenCode | 5 | 2,604 tok |
| doordash-oss/agentic-orchestrator | 104 | Codex, OpenCode | 1 | 1,416 tok |
| hect0x7/jmcomic-ai pypi.org JMComic Agent Skills / AI-native JMComic assistant: inject JMComic into your AI Agent thro | 104 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,807 tok |
| abracadabra50/open-supermarkets CLI, MCP and Skills for the world's supermarkets. Search, compare, basket and checkout acr | 104 | Codex, OpenCode | 1 | 3,643 tok |
| grafana/agento11y grafana.com Actually Useful Agent Observability | 104 | Claude Code, Codex, OpenCode | 2 | 2,574 tok |
| SapienXai/AgentOS agentos.sapienx.app Run agents like a company. AgentOS is the native control plane for OpenClaw — manage agent | 104 | Codex, OpenCode | 1 | 1,517 tok |
| PixelPaw-Labs/codex-trace OpenAI Codex CLI session log viewer for JSONL files in ~/.codex/sessions. Browse conversat | 104 | Claude Code, Codex, OpenCode | 5 | 614 tok |
| githits-com/githits-cli githits.com CLI & MCP for GitHits - The Code Context Layer for AI Coding Agents | 104 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 3,533 tok |
| uni-helper/skills uni-app skills | 104 | Codex, OpenCode | 1 | 1,877 tok |
| Ranteck/graph-engineer | 103 | Claude Code, Codex, OpenCode | 7 | 3,964 tok |
| zizicici/Watermelon iOS Photos Backup App. Supports Backup to External Storage, SMB, WebDAV, S3-Compatible Buc | 103 | Claude Code, Codex, OpenCode | 2 | 1,492 tok |
| openshift/rosa | 103 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 3,213 tok |
| Mohitur669/code-editor A real-time code editor built with Node.js, React.js and Socket.io which provides a range | 103 | Codex, OpenCode | 1 | 493 tok |
| olorehq/olore olore.dev Turn library docs into local Agent Skills | 103 | Claude Code, Codex, OpenCode | 7 | 210 tok |
| Arthur19940725/stock-analysis-skill Source-backed stock research skill with deterministic scenario rating | 103 | Codex | 1 | — |