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 |
|---|---|---|---|---|
| AlvisoOculus/optionsahoy-mcp optionsahoy.com Free equity-compensation tax optimizer for AI agents — ISO/AMT, NSO, RSU sell-vs-hold, QSB | 5 | Codex, Gemini CLI, OpenCode | 2 | 2,516 tok |
| Digital-Threads/token-pilot npmjs.com Save 60-80% tokens when AI reads code — MCP server for token-efficient code navigation wit | 5 | Claude Code, Codex, OpenCode | 2 | 1,662 tok |
| InvoiceXML/invoicexml-mcp mcp.invoicexml.com InvoiceXML MCP Server for global invoice compliance: Factur-X, ZUGFeRD, XRechnung, CII and | 5 | Codex, Gemini CLI, OpenCode | 2 | 2,336 tok |
| cioffiAI/mcp-agora MCP Server with cross-agent persistent memory for AI agent fleets. Vector memory (ChromaDB | 5 | Codex, OpenCode | 1 | 3,759 tok |
| dinglebear-ai/rtailscale npmjs.com Rust MCP server and CLI for Tailscale tailnet operations: devices, users, keys, policies, | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 3,084 tok |
| Aero25x/ASO-Copilot persocia.com Self-hosted App Store Optimization tracker with keyword rank tracking, competitor spying, | 5 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| clouatre-labs/math-mcp-learning-server Educational MCP server with math operations, matrix algebra, data visualization, and persi | 5 | Codex, OpenCode | 1 | 548 tok |
| felixAnhalt/figma-to-code-mcp MCP server to extract Figma design information and convert it to mostly css for coding age | 5 | Claude Code, Codex, OpenCode | 14 | 1,298 tok |
| fullstackdegen/agent-audit npmjs.com Turn Lighthouse audits into coding-agent tasks. | 5 | Claude Code, Codex, OpenCode | 2 | 1,113 tok |
| iamalisson/inquisitor Hypothesis-driven problem solving for AI agents: probe, falsify, escalate — never blind-re | 5 | Codex, OpenCode | 1 | 1,531 tok |
| New1Direction/korgex korgex-docs.pages.dev The verifiable AI coding agent : provider-agnostic, MCP-native, tamper-evident ledger | 5 | Codex, OpenCode | 1 | 311 tok |
| NazarKalytiuk/tarn nazarkalytiuk.github.io CLI-first API testing tool. YAML-defined tests, structured JSON output, built for AI-assis | 5 | Claude Code, Codex, Cursor, OpenCode | 3 | 5,987 tok |
| Kolonie-AI/kolonie-platform Kolonie AI platform monorepo — domain model, API, MCP, task engine, academy verifiers, coi | 5 | Codex, OpenCode | 1 | 11,032 tok |
| Sapientropic/AIppocampus aippocampus.com Source-backed continuity layer for long-running AI agent relationships. | 5 | Claude Code, Codex, OpenCode | 3 | 2,664 tok |
| Shangri-la-0428/Thronglets P2P shared memory substrate for AI agents — stigmergic knowledge network via libp2p | 5 | Claude Code, Codex, OpenCode | 2 | 4,571 tok |
| cmd8/excalidraw-mcp npmjs.com Model Context Protocol server for Excalidraw diagrams | 5 | Codex, OpenCode | 1 | 327 tok |
| seongwon030/velog_mcp npmjs.com An MCP server for writing and managing posts on Velog with Claude and Codex | 5 | Claude Code, Codex, OpenCode | 2 | 1,560 tok |
| talonicdev/talonic-mcp Official Talonic MCP server. Lets AI agents extract structured data from any document via | 5 | Claude Code, Codex, OpenCode | 2 | 3,895 tok |
| beyondwin/FixThis Point at any Jetpack Compose UI element, annotate it, and hand off source pinned prompts t | 5 | Claude Code, Codex, OpenCode | 4 | 1,389 tok |
| mrslbt/rakuten-mcp npmjs.com MCP server for the Rakuten Web Service API. 28 read-only tools across Ichiba (e-commerce), | 5 | Codex, OpenCode | 1 | 4,094 tok |
| benkaiser/mob-mcp-crm mobcrm.au Personal CRM - Remember your contacts better | 5 | Codex, OpenCode | 1 | 990 tok |
| WasmAgent/wasmagent-js wasmagent.github.io Embedded agent runtime compliance layer — WASM sandbox, MCP firewall, capability manifests | 5 | Claude Code, Codex, OpenCode | 2 | 3,947 tok |
| marshally/mcp-refactoring MCP server exposing Martin Fowler's refactoring catalog to LLMs | 5 | Codex, OpenCode | 1 | 230 tok |
| vuluu2k/webcake-landing-mcp mcp.toolvn.io.vn MCP server: Webcake landing-page element schemas + AI usage hints + page-source persistenc | 5 | Claude Code, Codex, OpenCode | 9 | 8,425 tok |
| bruchris/canvas-lms-mcp bruchris.github.io Canvas LMS MCP server — read courses, assignments, submissions, rubrics, quizzes; grade an | 5 | Claude Code, Codex, OpenCode | 7 | 1,800 tok |
| tokenrip/cli tokenrip cli | 5 | Codex, OpenCode | 1 | 9,536 tok |
| up2itnow0822/agentpay-mcp npmjs.com Non-custodial x402 MCP payment layer for AI agents — the open-source alternative to Vercel | 5 | Codex, Cursor, OpenCode | 2 | 900 tok |
| Warmplane/warmplane A Local Control Plane for Deterministic, Token-Efficient MCP Operations | 5 | Claude Code, Codex, OpenCode | 3 | 1,157 tok |
| cherninlab/ennodia ennodia.cherninlab.com MCP server that lets one AI agent ask other agents for help | 5 | Claude Code, Codex, OpenCode | 2 | 153 tok |
| sidebutton/sidebutton sidebutton.com Open-source browser automation for AI agents. MCP server + Chrome extension + YAML workflo | 5 | Codex, OpenCode | 1 | 405 tok |
| geeknees/wakatime-mcp npmjs.com An MCP server that exposes WakaTime summary tools over stdio. | 5 | Codex, OpenCode | 1 | 333 tok |
| piyushpathakqa/Vigilis Agentic QA framework: Claude authors, generates, triages & self-heals Playwright tests. MC | 5 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,755 tok |
| xxxoooxoxo/wiff Harness-agnostic, deterministic, resumable multi-agent workflows — plain-JavaScript orches | 5 | Codex, OpenCode | 1 | 1,288 tok |
| RadOrigin-LLC/RAD-Claude-Skills Marketplace of plugins and skills for Claude Code | 5 | Claude Code, Codex, OpenCode | 2 | 590 tok |
| amittamari/hop Fast full-text search and resume for coding-agent sessions | 5 | Claude Code, Codex, Cursor, OpenCode | 17 | 694 tok |
| Zts0hg/codexspec zts0hg.github.io A Requirements-First Spec-Driven Development (SDD) toolkit for Codex and Claude Code with | 5 | Claude Code, Codex, OpenCode | 2 | 12,827 tok |
| overdrive-dev/aihaus-flow Intent-based, autonomous developer workflows for Claude Code | 5 | Claude Code, Codex, OpenCode | 2 | 360 tok |
| tremtec/maestro 🎵 Maestro - an LLM Orchestrator for your Agentic Opera | 5 | Codex, OpenCode | 1 | 2,743 tok |
| Bind/skillz.sh agent skills manager | 5 | Codex, OpenCode | 3 | 1,621 tok |
| ludan12138/buddy-companion A small toy skill for Codex and other code agents that adds a persistent ASCII companion p | 5 | Codex, OpenCode | 1 | 533 tok |
| ARCASSystems/FounderOS A local-first operating layer for founders, on Claude Code. Six markdown files run your bu | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 55 | 11,070 tok |
| surendranb/find-research-papers-mcp MCP server for scientific grounding: search arXiv, OpenAlex, Crossref, Semantic Scholar, P | 5 | Codex, OpenCode | 1 | 600 tok |
| swoopeagle/standardgraph swoopeagle.github.io International Education Standards MCP — CCSS, Singapore MOE, IB MYP and more. Grounding la | 5 | Claude Code, Codex, OpenCode | 8 | 5,078 tok |
| sidkandan/CLIronChef CLI and AI-agent control for Typhur Dome 2 and Sync ONE probe cooks | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,003 tok |
| pleasedodisturb/llm-safe-haven One-liner for AI solo developers to fasten the security bolts on their systems | 5 | Claude Code, Codex, OpenCode | 2 | 2,287 tok |
| nullism/goder goder.io A simple Golang TUI for agentic coding | 5 | Codex, OpenCode | 1 | 581 tok |
| skycube/junebug Agent skill that reduced the natural language to what's important. Stay with the most rele | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 776 tok |
| jasonhnd/life_OS agentskill.sh 🏛️ Manage your life with a 1,400-year-old governance framework. 15 AI agents with separat | 5 | Codex, OpenCode | 1 | 670 tok |
| zander-zyx/java-development-skill A cross-tool AI agent skill for Java + Spring Boot: dev conventions, code review, testing, | 5 | Claude Code, Codex, OpenCode | 2 | 521 tok |
| pickjason/cc-windows A visual cc workspace | 5 | Claude Code, Codex, OpenCode | 2 | 5,996 tok |