22,170 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| JordanCoin/codingskills Coding principles for Claude Code and AI agents. KISS, DRY, SOLID, YAGNI, separation of co | 8 | Claude Code, Codex, OpenCode | 2 | 893 tok |
| pendpost/pendpost pendpost.com The agent-first social media planner: an AI agent drafts and schedules posts across Instag | 8 | Codex, OpenCode | 1 | 8,660 tok |
| zhurong2020/pyobfus pyobfus.readthedocs.io AST-based Python obfuscator with reverse stack-trace mapping — obfuscate before shipping a | 8 | Claude Code, Codex, OpenCode | 2 | 29,028 tok |
| jcucci/dotnet-sherlock-mcp MCP server that uses reflection to provide LLM's with knowledger about dotnet classes, the | 8 | Claude Code, Codex, OpenCode | 2 | 2,997 tok |
| thuandiep1707/codex-harness-javascript Multi-agent harness for OpenAI Codex with Jira-backed workflows, pause/resume, progressive | 8 | Claude Code, Codex, OpenCode | 4 | 5,397 tok |
| night4me/pfsense-mcp-server night4me.github.io A security-first MCP server for pfSense — READ-only today by design; WRITE is staged behin | 8 | Codex, OpenCode | 1 | 2,371 tok |
| ljchang/mecha docs.mecha-factory.ai A standalone agent harness in Rust: a provider-agnostic loop, MCP tools, a path jail and p | 8 | Claude Code, Codex, OpenCode | 4 | 8,185 tok |
| suryast/indonesia-civic-stack 🇮🇩 Production-ready Python SDK + MCP server for 14 Indonesian government data sources — | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,994 tok |
| zivtech/accessibility-skills zivtech.github.io Accessibility Skills (accessibility-skills): AI skills that plan, review, test, and audit | 8 | Claude Code, Codex, OpenCode | 2 | 4,799 tok |
| aryaminus/astro astro-api-a2rc.onrender.com Astrology MCP server & Agent Skill — birth charts, transits, synastry across Western, Vedi | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,589 tok |
| MetriLLM/metrillm metrillm.dev Benchmark local LLM models: speed, quality, and hardware fitness scoring. CLI, MCP server, | 8 | Claude Code, Codex, OpenCode | 2 | 2,834 tok |
| vanducng/skills skills.vanducng.dev A daily-driver collection of skills for agentic coding - a portable, agent-agnostic catalo | 8 | Claude Code, Codex, OpenCode | 2 | 974 tok |
| hermes-labs-ai/hermes-blind hermes-labs.ai Recovers the original goal of a long Claude Code or Codex session from its first user turn | 8 | Claude Code, Codex, OpenCode | 2 | 348 tok |
| mnzralee/claude-multi-agent-architecture manazir.dev A production-ready, reusable template for building sophisticated multi-agent AI systems wi | 8 | Claude Code, Codex, OpenCode | 6 | 2,944 tok |
| husker/a2acast Zero-infrastructure A2A messaging between AI agents on different machines — Claude, ChatGP | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,517 tok |
| LinHao-city/StoryMind linhao-city.github.io 🎬 AI plans your shot list like a director, then generates the film. LLM storyboard planni | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 81 | 271 tok |
| ychamel/RepoResident Git-native project intelligence harness for AI coding agents. Adds persistent state, codeb | 8 | Claude Code, Codex, OpenCode | 2 | 1,673 tok |
| Wenaixi/dsh-ponytail Complete port of DietrichGebert/ponytail for DSH — lazy senior mode with hook injection | 8 | Codex, OpenCode | 1 | 569 tok |
| prefect12/codex-token-meter prefect12.github.io Native macOS menu bar apps for tracking Codex and Claude Code token usage, quota, cache ef | 8 | Codex, OpenCode | 1 | 1,357 tok |
| Threadlines/threadlines threadlines.dev An open-source desktop workspace for Codex and Claude Code with a live browser, project fi | 8 | Claude Code, Codex, OpenCode | 2 | 3,014 tok |
| Maksim-Burtsev/simple-man Cut the chatter. Keep the work. A measured communication policy for coding agents: −32% ou | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,368 tok |
| viplee110/economics-paper-reviewer Portable AI pre-review skill for economics papers across Codex, Claude Code, Cursor, and o | 8 | Claude Code, Codex, OpenCode | 2 | 425 tok |
| AI-Routing-Research-Institute/codex-provider-hub A local multi-provider routing hub for Codex and Claude Code: integrates CC Switch and sup | 8 | Codex, OpenCode | 2 | 1,193 tok |
| linegel/threejs-complete-set-of-skill linegel.github.io 25 expert agent skills for ambitious Three.js WebGPU/TSL scenes — procedural oceans, cloud | 8 | Claude Code, Codex, OpenCode | 2 | 2,009 tok |
| ensemblr-hq/ensemblr ensemblr.dev Desktop orchestrator for Pi and Claude Code. Every stream of work gets its own git worktre | 8 | Claude Code, Codex, OpenCode | 8 | 4,174 tok |
| lidless-labs/proxmox-mcp lidless.dev Point an agent at your homelab and it can nuke a VM. proxmox-mcp gates every write before | 8 | Codex, OpenCode | 1 | 1,236 tok |
| etalab-ia/albert-code Bundle agentic coding souverain : OpenCode + agent-vm + Albert API + skills État + MCP | 8 | Claude Code, Codex, OpenCode | 2 | 3,679 tok |
| myk-org/pi-config Pi orchestrator config: specialist subagents, enforcement, code review loop, workflow comm | 8 | Claude Code, Codex, OpenCode | 2 | 3,676 tok |
| shenjingnan/haimen Enter through this door, exit through that door. | 8 | Claude Code, Codex, OpenCode | 7 | 2,038 tok |
| rajanm/retail-enterprise-agents rajanm.github.io Declarative Google Agent Development Kit (ADK) agents for Gemini Enterprise powered by Big | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 32,811 tok |
| luoli523/guige-skills Skills gradually refined by Gui Ge after organizing and using various skills; continuously | 8 | Claude Code, Codex, OpenCode | 2 | 807 tok |
| MauricioPerera/KDD mauricioperera.github.io 🧠 Knowledge-Driven Development (KDD): ready-to-use template combining OKF (knowledge as l | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 860 tok |
| nelsonjchen/unofficial-makerworld-parametric-model-maker-openscad-docs Agent-first reference docs, patterns, and evidence-backed changelog for MakerWorld's OpenS | 8 | Codex, OpenCode | 1 | 1,086 tok |
| kaiwood/kward kaiwood.github.io An extendable Ruby CLI coding agent. | 8 | Codex, OpenCode | 1 | 2,407 tok |
| HiDream-ai/vivago-agent-cli VivagoAgent CLI and Codex/Claude Code plugin | 8 | Claude Code, Codex, OpenCode | 2 | 836 tok |
| fruggr/zendesk-mcp-server fruggr.io Bring Zendesk deep into your AI assistant: find answers and draft, update and translate He | 8 | Claude Code, Codex, OpenCode | 9 | 2,997 tok |
| tandryukha/aidemo aidemo.top Your coding agent makes the demo video — a narrated, captioned MP4 from one storyboard.jso | 8 | Claude Code, Codex, OpenCode | 10 | 2,980 tok |
| yomage-ai/ai-video-director-skill Open-source AI talking-head video editing director Skill | Bilingual AI video director for | 8 | Codex, OpenCode | 1 | 888 tok |
| ssheleg/sshlg-skills skills.sshlg.me Install and update nine Agent Skills packs for UX, delivery, design, integrations, SEO, ag | 8 | Claude Code, Codex, OpenCode | 5 | 1,924 tok |
| whshang/herdr-mcp whshang.github.io Stable MCP/OAuth edge for remote web planners to control local Herdr with gated fs/git/exe | 8 | Codex, OpenCode | 1 | 4,070 tok |
| Innocent-children/dev-flow dev-flow.top Long-running AI coding, under control. Durable State · Explicit Scope · Bounded Verificati | 8 | Codex, OpenCode | 1 | 4,438 tok |
| spree/agent-skills spreecommerce.org Agent skills for Spree Commerce — works with Claude Code, Codex, Cursor, Copilot, Cline, A | 8 | Claude Code, Codex, OpenCode | 1 | 3,126 tok |
| matrodrigs/shotcut-mcp matrodrigs.github.io Transactional MCP server for creating, editing, validating, previewing, and rendering Shot | 8 | Codex, OpenCode | 1 | 2,286 tok |
| tonydzi/sqlite-graph-memory Graph RAG on SQLite for AI agents: vector retrieval + hand-curated wikilink graph + cross- | 8 | Codex, OpenCode | 1 | 1,236 tok |
| philtzjp/live-connector live-connector is an extension for an MCP server that enables Agents to control Ableton Li | 8 | Claude Code, Codex, OpenCode | 9 | 2,585 tok |
| ddpie/lark-mcp-on-agentcore A hosted remote MCP service for AI agents to operate Feishu, reusing lark-cli's 200+ tools | 8 | Claude Code, Codex, OpenCode | 2 | 1,848 tok |
| stellar-experimental/stellar-raven raven.stellar.org Stellar MCP server for AI agents: one authenticated gateway to official docs, live ecosyst | 8 | Claude Code, Codex, OpenCode | 10 | 2,463 tok |
| valentine-89/codex-quota-guard-mcp | 8 | Codex, OpenCode | 1 | 153 tok |
| IngTian/witness Turns any text stream into a dated history of how its subject changed. Point it at your Cl | 8 | Claude Code, Codex, OpenCode | 2 | 2,013 tok |
| Bloodshed-Rain/TheMAGI themagi.gg Local-first AI coaching for Super Smash Bros. Melee from Slippi .slp replays. | 8 | Claude Code, Codex, OpenCode | 10 | 4,038 tok |