44,931 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318Frontend2,308Security2,170Project management1,960
All Claude Code32,505 Codex24,785 OpenCode23,702 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,771 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| timothywarner-org/claude-architect techtrainertim.com Study materials, code examples, and practice scenarios for Anthropic's Claude Certified Ar | 99 | Claude Code | 3 | 9,346 tok |
| zapier/wade-skills The most frequently used agent skills of Wade Foster, CEO of Zapier | 99 | Claude Code, Codex, OpenCode | 2 | 746 tok |
| simota/agent-skills simota.github.io 90 specialist AI agents + 3 project-local extensions for Claude Code / Codex CLI / Antigra | 99 | Claude Code, Codex, OpenCode | 2 | 4,009 tok |
| major7apps/pensyve Universal memory runtime for AI agents | 99 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode | 11 | 11,767 tok |
| sqlsure/sqlsure Semantic inspector for SQL — catches fan-out double-counting, additivity violations, wrong | 99 | Claude Code | 1 | — |
| holt-web-ai/n8n-nodes-claudecode | 99 | Claude Code | 1 | 744 tok |
| OktoLabsAI/okto-nexus oktolabs.ai Local-first MCP coordination hub for multi-agent teams, with durable messaging, handoffs, | 99 | Claude Code | 3 | 1,226 tok |
| GRBY-NICE/codex-context-memory | 98 | Codex, OpenCode | 1 | 1,356 tok |
| ChengHua926/nemo-skill | 98 | Claude Code, Codex | 1 | — |
| mirror4869/material-workbench Open-source, local-first creative asset workbench for Windows—organize, find, review, and | 98 | Codex, OpenCode | 1 | 1,140 tok |
| AOSSIE-Org/Website aossie.org AOSSIE Offical Website | 98 | Claude Code, Codex, OpenCode | 3 | 932 tok |
| zhiyuzi/Signex signex.fyi Personal intelligence agent powered by Claude Code. Describe what to watch, it collects, a | 98 | Claude Code | 35 | 3,066 tok |
| aws-samples/aws-hpc-recipes Contains example recipes that demonstrate how to build HPC systems using AWS services and | 98 | Claude Code, Codex, OpenCode | 2 | 1,158 tok |
| TryMightyAI/mighty-security Don't Simply Trust MCP Server Code, Validate and Scan | 98 | Claude Code | 1 | 2,216 tok |
| trailofbits/slither-mcp MCP server for Slither static analysis of Solidity smart contracts | 98 | Claude Code | 1 | 4,009 tok |
| ionide/tree-sitter-fsharp F# grammar for treesitter | 98 | Codex, OpenCode | 3 | 3,741 tok |
| guess/claude_code code.claude.com Claude Agent SDK for Elixir – Build AI agents with Claude Code | 98 | Claude Code | 9 | 3,617 tok |
| zhangqi444/open-forge Let your AI coding agent self-host any open-source app for you. 2,200+ verified recipes — | 98 | Claude Code, Codex, OpenCode | 3 | 12,444 tok |
| spences10/mcpick Vendor-neutral MCP configuration manager — one CLI to add, toggle, and audit MCP servers a | 98 | GitHub Copilot | 1 | 224 tok |
| Steward-Fi/steward steward.fi Agent wallet infrastructure — encrypted keys, policy enforcement, credential proxy, auth p | 98 | Claude Code, Codex, OpenCode | 2 | 447 tok |
| Vandivier/ladderly-3 ladderly.io the home site for the ladderly ecosystem | 98 | Claude Code, Codex, OpenCode | 4 | 9,573 tok |
| hoornet/home-mind nives.house OSS AI memory layer for Home Assistant (AGPL). The conversation server inside the Nives ad | 98 | Claude Code | 1 | 6,250 tok |
| elbruno/graphify-dotnet A .NET 10 port of graphify - AI knowledge graph builder for codebases using GitHub Copilot | 98 | Claude Code, Codex, GitHub Copilot | 3 | 2,171 tok |
| theronic/eacl eacl.dev 🦅 EACL: Enterprise Access ControL is a ReBAC Authorization library inspired by SpiceDB, b | 98 | Codex, OpenCode | 1 | 981 tok |
| rstackjs/agent-skills A collection of Agent Skills for Rstack. | 98 | Codex, OpenCode | 1 | 1,702 tok |
| docs-plus/docs.plus docs.plus Free and open-source real-time collaborative document editor. Hierarchical table of conten | 98 | Claude Code, Codex, OpenCode | 61 | 29,852 tok |
| gyng/ditherer gyng.github.io Browser-based image and video dithering, audio visualisation, glitch art, and retro CRT/VH | 98 | Codex, OpenCode | 1 | 4,670 tok |
| castacks/AirStack docs.theairlab.org Agent-native framework for rapid sim-to-real deployment of embodied AI for field robotics. | 98 | Claude Code, Codex, OpenCode | 26 | 9,691 tok |
| PascaleBeier/hitkeep hitkeep.com 100% open-source, AI-native web analytics with cookieless tracking, open exports, custom d | 98 | Claude Code, Codex, OpenCode | 13 | 3,023 tok |
| avivsinai/jenkins-cli GitHub-style CLI for Jenkins — manage contexts, runs, logs, and admin tasks from your term | 98 | Claude Code, Codex, OpenCode | 2 | 1,137 tok |
| dralkh/seerai Zotero AI plugin Research assistant for Zotero 10. Chat with your library, run federated s | 98 | Codex, OpenCode | 1 | 13,692 tok |
| rolecraft-sh/rolecraft rolecraft-sh.github.io The security-first skill manager for AI agents — every install runs a security scan. Manag | 98 | Codex, OpenCode | 1 | 845 tok |
| psyb0t/docker-stealthy-auto-browse ciprian.51k.eu Stealth browser automation that actually works. Runs Camoufox (custom Firefox) in Docker w | 98 | Claude Code | 1 | — |
| supernovae-st/nika nika.sh Intent as Code: say what you want done, keep it as a file. Checked before it runs, run wit | 98 | Claude Code, Codex, OpenCode | 14 | 1,610 tok |
| mengrru/Spherse spherse.mengru.work Build your own world with AI agents inside Spherse | 98 | Claude Code, Codex, OpenCode | 7 | 3,018 tok |
| saifyxpro/ui-ux-design-pro-skill AI spairings, 150+ reasoning rules, CLI, and 18 platform templates. Works with Claude, Cur | 98 | Claude Code | 1 | 618 tok |
| Anionex/dsh-computer-use Provides computer-control plugins for DeepSeek Harness: fresh Accessibility observations, | 98 | Codex, OpenCode | 1 | 93 tok |
| ArnaudGuiovanna/tutor-mcp tutor-mcp.dev An open-source MCP server that turns any LLM into an Intelligent Tutoring System. 50 years | 98 | Codex, OpenCode | 1 | 453 tok |
| nulab/bee nulab.github.io Command-line tool to view and manage Backlog | 98 | Codex, OpenCode | 1 | 5,852 tok |
| peteromallet/Arnold General-purpose planning and execution harness for LLMs — structured phases, critique, gat | 98 | Codex, OpenCode | 1 | 8,043 tok |
| jianzhichun/emerge | 97 | Claude Code | 2 | 4,879 tok |
| shixinnt/codex-image-context-runtime A Codex plugin and local MCP runtime for context-bounded image generation and inspection. | 97 | Codex, OpenCode | 1 | 286 tok |
| xd-liu/AutoResearch-Idea | 97 | Claude Code | 11 | 2,294 tok |
| duthaho/claudekit claudekit.duthaho.dev A verification-first engineering toolkit for Claude Code. Built for senior ICs and tech le | 97 | Claude Code, Codex, OpenCode | 1 | 916 tok |
| lxinfei5/research-os Research capability for coding agents: multi-source corroboration, active discovery, logic | 97 | Claude Code, Codex, OpenCode | 11 | 1,146 tok |
| maximilian-V/next-supabase-starter A baseline setup for the development of full stack apps with claude code | 97 | Claude Code | 1 | 4,070 tok |
| nablo-io/lerim docs.lerim.dev Compiles AI agent traces and truns them into reusable context. | 97 | Claude Code, Codex, OpenCode | 2 | 1,428 tok |
| patternfly/patternfly-react-seed patternfly-react-seed.surge.sh A PatternFly seed for React web applications | 97 | Codex, OpenCode | 1 | 916 tok |
| intellectronica/gemini-cli-skillz Gemini CLI extension for Anthropic-style Agent Skills via skillz MCP server | 97 | Gemini CLI | 1 | 412 tok |
| csark0812/expo-targets Expo config plugin for Apple targets and Android app extensions | 97 | Claude Code, Codex, OpenCode | 2 | 671 tok |