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 |
|---|---|---|---|---|
| Aetheria-Labs1/storefront-skills AI skill for building Shopify landing pages | 8 | Codex, OpenCode | 1 | 563 tok |
| SummerSec/SumSec-Skills SummerSec personal custom Skill repository | 8 | Claude Code, Codex, OpenCode | 6 | 4,050 tok |
| elmochilyas/laraskills | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 10 | 6,522 tok |
| Looted/kibi Kibi is a requirement-conformance layer for AI coding agents that keeps product intent con | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,280 tok |
| franklesniak/copilot-repo-template Reusable template for AI-assisted repositories with shared coding-agent instructions, CI v | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 13 | 141,988 tok |
| Eliyce/paqad-ai paqad.ai Spec-driven development framework — AI agents that think before they type | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 6 | 652 tok |
| YosefHayim/launch-store npmjs.com Self-hosted CLI for building, signing, and shipping Expo/React Native apps to TestFlight a | 8 | Claude Code, Codex, OpenCode | 6 | 2,310 tok |
| vepo/issues Sistema de Gestão de Mudanças | 8 | Claude Code, Codex, Cursor, OpenCode | 25 | 4,153 tok |
| flanliulf/aiforge Sync AI coding configurations from any Git repository to Copilot, Claude Code, Cursor, and | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 53 | 1,374 tok |
| timstewart-dynatrace/Best-Practice-Notebooks ** not officially supported by Dynatrace ** these notebooks were sourced from official doc | 8 | Codex, OpenCode | 1 | 1,807 tok |
| yldgio/vibe-vscode VS Code development workspace with GitHub Copilot instructions, coding guidelines, and pro | 8 | Codex, GitHub Copilot, OpenCode | 10 | 9,149 tok |
| youssefsz/agentdoctor agentdoctor.youssef.tn Audit repositories for AI coding agent readiness. | 8 | Claude Code, Codex, OpenCode | 2 | 1,233 tok |
| andoop/sandtable | 8 | Claude Code, Codex, Cursor, OpenCode | 17 | 1,749 tok |
| waelmas/codeplow Plugins for AI coding agents (Claude Code, Cursor, Codex CLI) that fight context rot and d | 8 | Claude Code, Codex, OpenCode | 1 | 3,191 tok |
| Digidai/website2markdown md.genedai.me Convert any URL to clean Markdown. Cloudflare Worker with 14 site adapters, MCP Server, Ag | 8 | Claude Code, Codex, OpenCode | 2 | 440 tok |
| wangyendt/wayne-skills Including self-designed agent skills and pywayne skills | 8 | Claude Code, Codex, OpenCode | 2 | 1,863 tok |
| elhamid/llm-council LLM Council fork with persistence, decision traces, stability fixes, repeatable checks, an | 8 | Claude Code, Codex, OpenCode | 2 | 2,683 tok |
| longportapp/openapi open.longportapp.com Longport OpenAPI SDK Base. | 8 | Claude Code, Codex, OpenCode | 2 | 1,222 tok |
| ExceptionRegret/Kryfto The open-source web-browsing backend for AI agents & workflow engines. Ships a 42-tool MCP | 8 | Codex, OpenCode | 1 | 640 tok |
| LerianStudio/lerian-mcp-server A MCP server to support all Lerian's platforms. Enables AI assistants to interact with Mid | 8 | Claude Code, Codex, OpenCode | 2 | 498 tok |
| ZenlixAI/echo-mcp Echo structured messages to drive the states of an agent client | 8 | Claude Code, Codex, OpenCode | 3 | 1,979 tok |
| SylphxAI/filesystem-mcp npmjs.com ARCHIVED non-primary. Prefer Citra/Iris/Cue/Prism/Spine/Lookout. | 8 | Codex, OpenCode | 1 | 455 tok |
| ebhattad/nfl-mcp | 8 | Codex, OpenCode | 1 | 1,572 tok |
| DiscoClaw/discoclaw Discoclaw: CLI-first Discord bridge for agent runtimes | 8 | Claude Code, Codex, OpenCode | 2 | 1,242 tok |
| xhiroga/blender-mcp-senpai | 8 | Claude Code, Codex, Cursor, OpenCode | 3 | 496 tok |
| Flux-Point-Studios/unreal-mcp Unreal Engine MCP (Model Context Protocol) server for AI-powered automation | 8 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 2,743 tok |
| TheodorStorm/brainstorm-mcp borgmcp.ai Archived multi-agent coordination prototype superseded by Borg MCP. | 8 | Claude Code, Codex, OpenCode | 2 | 3,840 tok |
| acoyfellow/mcpu MCP control surface for a Cloudflare Artifacts repo. Bootstrap from GitHub, then edit, com | 8 | Codex, OpenCode | 1 | 82 tok |
| iterorganization/IMAS-Codex | 8 | Claude Code, Codex, OpenCode | 14 | 28,793 tok |
| Vvlladd/AppStoreConnectMCP | 8 | Claude Code, Codex, OpenCode | 4 | 1,461 tok |
| thisrohangupta/harness-mcp-v2 harness.io MCP server for Harness.io | 8 | Claude Code, Codex, OpenCode | 2 | 6,382 tok |
| fkguo/nds-mcp Nuclear Data Services MCP server — offline SQLite-backed nuclear physics data queries | 8 | Claude Code, Codex, OpenCode | 2 | 3,519 tok |
| mtford90/httap Inspect, intercept & mock HTTP traffic from your terminal or AI agent | 8 | Claude Code, Codex, OpenCode | 3 | 3,996 tok |
| SamMorrowDrums/mcp-typescript-starter A minimal Model Context Protocol (MCP) server in TypeScript with hello tool, markdown reso | 8 | Codex, OpenCode | 1 | 961 tok |
| scidonia/rocq-piler MCP server for Coq LSP | 8 | Codex, OpenCode | 1 | 706 tok |
| feiphoon/pydata-london-2026-mcp-server-tracing-with-open-telemetry | 8 | Claude Code, Codex, OpenCode | 2 | 1,177 tok |
| AlexWangDa/s3-mcp-server-java The MCP Server based on the S3 protocol can perform operations on Amazon S3 and other S3-c | 8 | Codex, OpenCode | 1 | 560 tok |
| bestagentkits/cloud-harness-mcp harness.agentkit.best Remote coding harness exposed as a secure Streamable HTTP MCP server | 8 | Claude Code, Codex, OpenCode | 3 | 1,891 tok |
| kimgh06/Thask thask.kimgh06.com Thask – Linked Graph Risk Manager for Engineering Teams | 8 | Claude Code, Codex, OpenCode | 2 | 1,471 tok |
| sardine-ai/mcp-server-manager | 8 | Claude Code, Codex, OpenCode | 5 | 5,810 tok |
| armanas/froglet A protocol and node for a bot economy — bots create, publish, discover, buy, sell, and com | 8 | Claude Code, Codex, OpenCode | 2 | 1,954 tok |
| adhocteam/recreation-mcp-server adhocteam.github.io An MCP server in Go that enables LLMs to discover and learn about recreation opportunities | 8 | Codex, OpenCode | 1 | 2,464 tok |
| emercoin/emer-ai-tools ai.emercoin.com Emercoin as an identity + memory layer for AI agents: node + adapter + the emercoin-agent | 8 | Claude Code, Codex, OpenCode | 2 | 1,848 tok |
| CoreyFransen08/john-deere-ops-mcp MCP for connecting to JDO data | 8 | Codex, OpenCode | 1 | 570 tok |
| Kynlos/Obsidian-MCP An Obsidian MCP for Agentic Coding Agents | 8 | Codex, OpenCode | 1 | 4,816 tok |
| nbiish/mcp-calc-tools | 8 | Codex, OpenCode | 1 | 3,864 tok |
| BigCactusLabs/dead-letter pypi.org Convert .eml email exports to Markdown with YAML front matter | 8 | Codex, OpenCode | 1 | 1,048 tok |
| ayhammouda/python-docs-mcp-server Read-only MCP server for official Python docs: local index, no API keys, exact symbol look | 8 | Claude Code, Codex, OpenCode | 2 | 1,053 tok |
| ValentinAvramko/editorial-skill-for-natural-russian-business-writing An editorial tool for natural business writing in Russian without AI-sounding language, bu | 8 | Codex, OpenCode | 1 | 348 tok |
| Chili-Piper/mcp-assets chilipiper.com Official Chili Piper Skills and ChatGPT GPTs for the Chili Piper MCP — meeting diagnostics | 8 | Codex, OpenCode | 1 | 845 tok |