44,969 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| jtalk22/slack-mcp-server mcp.revasserlabs.com Put your agent inside your Slack. Zero bots, zero admin queues, no Business+ upgrade — 20+ | 33 | Claude Code | 1 | — |
| mehmetnadir/cdpilot cdpilot.ndr.ist Browser automation CLI on raw CDP — no Puppeteer, Playwright or Selenium, 0 npm dependenci | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,452 tok |
| canonical/copilot-collections Instructions, prompts, and configurations to help you make the most of GitHub Copilot. | 33 | GitHub Copilot | 1 | 1,215 tok |
| pe-menezes/vibeflow vibeflow.run Spec-driven development for AI agents. Define what to build, let the agent build it right. | 33 | Claude Code, Codex, OpenCode | 2 | 2,183 tok |
| charles-adedotun/claude-code-sub-agents Minimal Claude Code bootstrapper that installs an agent-architect for project-specific sub | 33 | Claude Code | 4 | 76 tok |
| vishalguptax/claude-code-manager claudecodemanager.vishalg.in Claude Code Manager: a VS Code sidebar for Claude Code sessions, usage and limits, account | 33 | Claude Code, Codex | 4 | — |
| lemaiwo/odata-mcp-proxy | 33 | Claude Code | 1 | 1,797 tok |
| rgmez/apple-accessibility-skills Accessibility audit skills for Apple platforms (SwiftUI, UIKit, AppKit) | 33 | Codex, OpenCode | 1 | 233 tok |
| raccioly/docguard npmjs.com Audit and enforce canonical project documentation for AI-assisted development. Detect drif | 33 | Claude Code, Codex, OpenCode | 21 | 4,855 tok |
| tfcace/hash runhash.dev A POSIX shell with AI in the grammar: type ?? to drive Claude Code, Cursor CLI, Gemini CLI | 33 | Claude Code | 1 | 1,137 tok |
| CPLX/flighty-mcp-server MCP server for the Flighty flight tracking app — 12 tools for flights, status, stats, and | 33 | Claude Code | 1 | 610 tok |
| DevinoSolutions/stealth-chrome-devtools-mcp stealthly.io Undetectable browser automation for AI agents via MCP. Stealth Chrome DevTools with smart | 33 | Claude Code | 1 | 3,372 tok |
| akougkas/zulipchat-mcp pypi.org ZulipChat MCP Server - A Model Context Protocol server that bridges AI agents with Zulip C | 33 | Claude Code, Codex, OpenCode | 3 | 6,999 tok |
| datarobot-oss/datarobot-agent-skills datarobot.com Bring DataRobot platform capabilities to your coding agents | 33 | Claude Code, Codex, OpenCode | 2 | 959 tok |
| fockus/skill-memory-bank fockus.github.io Universal long-term project memory for AI coding agents — Claude Code, Cursor, Windsurf, C | 33 | Claude Code | 1 | 1,950 tok |
| robert-malai/anafpy anafpy.readthedocs.io Typed async Python clients + MCP server for Romania's ANAF web services: e-Factura, e-Tran | 33 | Claude Code | 1 | 9,947 tok |
| edvardgrishin27/frameproof An agent that watches videos without blind spots and proves it saw them with timecodes. Of | 33 | Codex, OpenCode | 1 | 334 tok |
| cfongai/higgsfield-content-pipeline Claude Code + Higgsfield as an automated video production studio: 19 skills, prompting pla | 33 | Claude Code | 1 | 1,742 tok |
| Mr-Salticidae/knowledge-base Mr. Jumping Spider's public knowledge base of AIGC creation methodology, consolidating reu | 33 | Claude Code, Codex, OpenCode | 2 | 810 tok |
| home-operations/yayamlls YAML language server in Go. Schema-driven diagnostics, completion, hover; pluggable render | 33 | Claude Code, Codex, OpenCode | 2 | 2,942 tok |
| jkitchin/discopt kitchingroup.cheme.cmu.edu A discrete optimization package with interior point and exterior swagger | 33 | Claude Code | 2 | 10,395 tok |
| OpenMANET/OpenVLM Open Voice Link Module for OpenMANET | 33 | Claude Code | 4 | 2,703 tok |
| Turki-Sh/Foreman foreman.turkialshuaibi.com A build playbook that turns your coding agent into the foreman of a website build. It inte | 33 | Claude Code, Codex, OpenCode | 1 | 1,356 tok |
| LeXwDeX/Mao-s-Legacy-Chinese-Tools Chinese localization tool and localization pack for Mao's Legacy. | 33 | Codex, OpenCode | 1 | 3,592 tok |
| kemiljk/kernel-ui kernelui.com Semantic HTML component library for React and Web Components | 33 | Codex, OpenCode | 1 | 3,527 tok |
| Dicklesworthstone/frankengraphdb A blank-slate, memory-safe, ultra-high-performance property-graph database in Rust — unifi | 33 | Codex, OpenCode | 1 | 8,980 tok |
| rollysys/use_cninfo On-demand fetching of A-share listed company announcements from cninfo.com.cn — full-text | 33 | Claude Code | 1 | 1,791 tok |
| ukunal91app/Marketing-Skills-by-Corey-Haines | 33 | Claude Code, Codex, OpenCode | 2 | 2,263 tok |
| heihei999/huasheng-mcp An MCP problem-solving assistant based on Huasheng Shisan's civil service exam methodology | 33 | Claude Code, Codex, OpenCode | 2 | 1,522 tok |
| sandraschi/freecad-mcp FreeCAD 3D CAD automation via FastMCP — headless document/export plus FluidX3D/OpenFOAM CF | 33 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,714 tok |
| Automattic/simplenote-mcp A basic MCP server for the Simplenote desktop app. | 33 | Claude Code, Codex, OpenCode | 3 | 2,193 tok |
| AndreaBozzo/dataprof andreabozzo.github.io Data profiling and quality gates for CSV, JSON, Parquet and DataFrames. Rust core, Python | 33 | Claude Code, Codex, OpenCode | 3 | 1,537 tok |
| elis132/everything-mcp The definitive MCP server for voidtools Everything - lightning-fast file search for AI age | 33 | Claude Code | 1 | 527 tok |
| geekjourneyx/industry-research A professional industry research Skill that turns industry, sector, and company questions | 33 | Claude Code, Codex, OpenCode | 2 | 2,550 tok |
| jedarden/NEEDLE jedarden.com Headless agent orchestrator with deterministic state machine — processes a bead queue, dis | 33 | Claude Code, Codex, OpenCode | 3 | 6,967 tok |
| awslabs/AutoHelix Agent-powered iterative optimization: put an AI agent in a verified improvement loop. | 33 | Claude Code, Codex, OpenCode | 2 | 1,753 tok |
| The-OpenROAD-Project/OpenROAD-MCP Model Context Protocol (MCP) server for OpenROAD | 33 | Claude Code | 3 | — |
| HorizunGroup/horizun-pbi-mcp pypi.org Open-source Power BI MCP to build, audit and repair Desktop models and PBIP reports with D | 33 | Codex, OpenCode | 1 | 3,288 tok |
| oddbit/shrtnr oddbit.id MCP server, REST API and typed SDKs for short links. Per-user ownership, bundle analytics. | 33 | Claude Code, Codex, OpenCode | 3 | 2,497 tok |
| bernardopg/AiOverviewControl duxlabs.dev Dank Material Shell widget for AI usage overview for multiple providers | 33 | Codex, OpenCode | 1 | 2,879 tok |
| ChanMeng666/archlang archlang.uk 【Star us! ⭐】 A declarative language that compiles to professional SVG floor plans — like T | 33 | Claude Code, Codex, OpenCode | 17 | 1,285 tok |
| morluto/gitcontribute Contribution research for agents: check repository guidance, related work, code context, a | 33 | Codex, OpenCode | 1 | 463 tok |
| modxcms-jp/evolution-jp modx.jp | 33 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 4,037 tok |
| svitrix/svitrix-firmware svitrix.github.io | 33 | Claude Code | 14 | 3,384 tok |
| container-registry/harbor-next container-registry.com Next-generation Harbor. Use features before they move upstream. | 33 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| 10Legs/freelance-developer-harness A Claude Code operating system for running a structured agency team. 25 specialized roles | 33 | Claude Code, Codex, OpenCode | 5 | 5,267 tok |
| hashimiche/hal Hashicorp Academy Labs | 33 | GitHub Copilot | 1 | 2,351 tok |
| eftechcombr/glpi hub.docker.com GLPI as Container on Kubernetes Cluster | 33 | Codex, OpenCode | 1 | 1,931 tok |
| tialkan/TezAtlas | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 27 | 1,836 tok |
| tomcounsell/ai valorengels.com AI product manager and engineer at Yudame: runs backlogs and client work, tracks decisions | 32 | Claude Code | 3 | 1,049 tok |