24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| omgits0mar/awesome-claude-code-extensions omgits0mar.github.io Searchable index of Claude Code & Codex extensions: plugins, skills, MCP servers, agents, | 4 | Codex, OpenCode | 1 | 574 tok |
| newtv-ai/switchboard Self-hosted phone-to-terminal bridge for Claude Code, Codex, and Antigravity. No cloud rel | 4 | Claude Code, Codex, OpenCode | 2 | 765 tok |
| pcopu/coco Orchestrate multiple Codex sessions through Telegram. | 4 | Codex, OpenCode | 1 | 351 tok |
| 45ck/open-genome-agent Local-first DNA and VCF analysis copilot for evidence-bound genomics workflows, confidence | 4 | Claude Code, Codex, OpenCode | 22 | 1,422 tok |
| toyamarinyon/giselle giselles.ai Giselle: AI for Agentic Workflows. Human-AI Collaboration. Open Source. | 4 | Claude Code, Codex, OpenCode | 10 | 3,420 tok |
| wassemgtk/Open-Minions One-shot, end-to-end coding agents. Unattended agents that turn a task into a pull request | 4 | Codex, OpenCode | 1 | 253 tok |
| CarlosAlexandredevv/Nest-boilerplate | 4 | Codex, Cursor, OpenCode | 2 | 412 tok |
| MiyaTomono-new/CodeDrawing | 4 | Codex, OpenCode | 1 | 260 tok |
| osmanio2/vibe-to-prod From vibe-coded to production-ready | 4 | Codex, OpenCode | 1 | 1,047 tok |
| Theia-pro/email-mentor Email Mentor: A multi-AI-tool email organization workflow (translation/classification/dead | 4 | Claude Code, Codex, OpenCode | 2 | 1,851 tok |
| 0xmariowu/builders-dont-cry Turn AI-written code into shippable products. | 4 | Claude Code, Codex, OpenCode | 12 | 1,742 tok |
| realEbi/askCode An AI-powered assistant for Neovim that connects to services like Gemini and Amazon Q to h | 4 | Claude Code, Codex, OpenCode | 2 | 1,532 tok |
| rogerSuperBuilderAlpha/hult-cohort-program site-nine-rouge-68.vercel.app Open-source curriculum and platform for the Hult Cohort Developer Program — GitHub-native, | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,400 tok |
| meta-quest/Meta-Spatial-SDK-Templates The Meta Spatial SDK Templates is a collection of code samples that demonstrate the capabi | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 6 | 413 tok |
| runwhen-contrib/codecollection-devtools [Public] RunWhen Codecollection Getting Started Template - Managed by terraform | 4 | Codex, OpenCode | 1 | 377 tok |
| ssakone/crossrule Convert editor rules between different AI coding assistants (Cursor, Windsurf, Claude Code | 4 | Claude Code, Codex, OpenCode | 2 | 908 tok |
| mytech-today-now/augment-extensions A framework and module library that lets teams maintain coding standards, design systems, | 4 | Codex, OpenCode | 1 | 4,355 tok |
| d4551/piratebao PirateBao is a TypeScript/Bun agent-skill package for terse pirate-speak AI coding replies | 4 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 14 | 795 tok |
| lxb12123/prompt-pocket lxb12123.github.io Cross-agent prompt pocket: remember your most-used prompts and pick one to run. Works on C | 4 | Codex, OpenCode | 1 | 170 tok |
| watarutmnh/tyme-mcp MCP server for Tyme — control the macOS time tracking app through AI assistants | 4 | Claude Code, Codex, OpenCode | 2 | 1,112 tok |
| hyperslack/talkto TalkTo — local-first Slack for AI agents | 4 | Codex, OpenCode | 1 | 3,174 tok |
| fqmyysjjd/agent-feed Turn AI coding chats into a source-controlled workflow: AGENTS.md, rules, skills, verifica | 4 | Claude Code, Codex, OpenCode | 16 | 2,011 tok |
| lidless-labs/mitre-mcp lidless.dev MCP server for the MITRE ATT&CK knowledge base: map alerts to techniques, profile threat g | 4 | Codex, OpenCode | 1 | 1,139 tok |
| LAA-Software-Engineering/terfyn A statically analyzable execution platform for nondeterministic programs, with reviewable | 4 | Claude Code, Codex, Cursor, OpenCode | 5 | 1,121 tok |
| EtienneBBeaulac/workrail workrail.mintlify.app MCP workflow enforcement server -- guides Claude and other AI agents through structured, s | 4 | Claude Code, Codex, OpenCode | 2 | 7,336 tok |
| jyunming/Axon jyunming.github.io Local-first RAG engine with cited answers from your own docs. GraphRAG, sealed sharing, MC | 4 | Codex, GitHub Copilot, OpenCode | 10 | 9,191 tok |
| airshelf/mcpfs Mount MCP servers as a filesystem. Plan 9 for the agent era. | 4 | Claude Code, Codex, OpenCode | 2 | 1,467 tok |
| chevy155/agent-readiness Deterministic repo readiness scanner for AI coding agents. | 4 | Codex, GitHub Copilot, OpenCode | 2 | 1,999 tok |
| ani3198/threadbase | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 785 tok |
| floytra-dev/ultra-max-token-burner akapust.in Turn dangerously efficient prompts into manager-visible AI work. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 437 tok |
| tedwon/agentic-dev-playbook-with-harness Agentic Development Playbook with Harness Engineering | 4 | Claude Code, Codex, OpenCode | 6 | 1,669 tok |
| plipowczan/claude-piv-skeleton Universal PIV (Prime-Implement-Validate) methodology skeleton for Claude Code projects | 4 | Claude Code, Codex, OpenCode | 23 | 864 tok |
| platinoff/poolAI Madevinc corp thats one guy with cursor ai creating hybrid decentralisating pool grid syst | 4 | Claude Code, Codex, Cursor, OpenCode | 31 | 4,311 tok |
| jacson10l/Hermes-Runtime A set of AI governance primitives powered by Hermes_Engineering, designed to address the l | 4 | Codex, OpenCode | 1 | 223 tok |
| caioreix/agency-cli CLI tool to browse and install AI agents from The Agency into your preferred agentic tool. | 4 | Claude Code, Codex | 1 | — |
| feelyourprotocol/website feelyourprotocol.org Ethereum Protocol Explorations Website | 4 | Codex, Cursor, OpenCode | 11 | 1,880 tok |
| ellie1004/fantasy-novel-harness An automated fantasy novel writing system based on harness engineering, including illustra | 4 | Claude Code, Codex, OpenCode | 6 | 7,536 tok |
| yugasun/aiops aiops.yugasun.com Personal agent skills bundle for AI-assisted software development — grill, plan, implement | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,391 tok |
| getmaat/maat Keep docs and AI-agent instructions in sync. Scaffold docs-as-code, generate agent files, | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,972 tok |
| KeepThinking007/AI-Coding-Collaboration-Paradigm An AI coding collaboration template for large projects, enabling developers and AI agents | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,401 tok |
| israads/token-efficient | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,836 tok |
| peerigon/configs Best practice configs for ESLint, Prettier, TypeScript & friends. By Peerigon. | 4 | Codex, OpenCode | 1 | 1,885 tok |
| okzero/skillmesh-cli Multi-agent, multi-machine skill sync via any cloud drive. Peer-to-peer, lifecycle-complet | 4 | Codex, OpenCode | 1 | 384 tok |
| AndresJejen/beitlab_home_lab_cluster | 4 | Codex, Cursor, OpenCode | 3 | 510 tok |
| Blackrose-blackhat/pux pux-site.vercel.app | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 310 tok |
| sandboard-app/sandboard sandboard.io Coordinate coding agents from a project board. Run tasks in OpenShell sandboxes and review | 4 | Claude Code, Codex, OpenCode | 3 | 1,347 tok |
| 7nohe/figdeck figdeck.7nohe.dev Convert Markdown to Figma Slides with CLI + Plugin | 4 | Claude Code, Codex, OpenCode | 4 | 4,526 tok |
| wess/stim wess.io Basically a DSL that make writing Claude Code commands more "code" and less Markdown... | 4 | Codex, OpenCode | 1 | 3,280 tok |
| Huzaifa-ali/post-kit Your AI content engine. Research, write, publish posts that sound like you. Zero code, any | 4 | Codex, Kiro, OpenCode | 7 | 7,859 tok |
| frisco-deng/moradins-forge Agent-first integration forge for local repo adoption and deterministic agent workflows | 4 | Codex, OpenCode | 1 | 2,134 tok |