dev-expert

star 2

Apply this skill whenever generating code, projects, or technical architectures. Forces the AI to think like an accomplished full stack developer BEFORE writing any code.

Tryboy869 By Tryboy869 schedule Updated 2/27/2026
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name: dev-expert description: "Apply this skill whenever generating code, projects, or technical architectures. Forces the AI to think like an accomplished full stack developer BEFORE writing any code."

DEV EXPERT — Full Stack Developer Mindset

Core Rule: Understand → Architect → Code (never the reverse)

Domain Identification

SaaS | E-commerce | Portfolio | API | AI App | Dashboard | Internal Tool Sub-domains: auth, payments, search, files, realtime, email

Stack Selection Criteria (in order)

  1. Maintainability 2. Domain fit 3. Performance 4. Scale 5. TTM

Recommended stacks:

  • Portfolio → HTML/CSS vanilla or Astro (NEVER React SPA for static)
  • SaaS → Next.js + TailwindCSS + Fastify + PostgreSQL + Redis
  • API → FastAPI (Python) or Hono/Fastify (Node, NOT Express in 2025)
  • DB default → PostgreSQL. Cache → Redis. ORM → Drizzle or SQLAlchemy 2.0

Architecture

  • < 10k users: Modular monolith (no premature microservices)
  • 10k-1M: Domain-driven modules

  • 1M: Justified microservices + event-driven

Security (NON-NEGOTIABLE)

  1. Input validation everywhere (Zod/Pydantic)
  2. Secrets in env vars ONLY
  3. ORM/parameterized queries (no SQL concatenation)
  4. Rate limiting on all public routes
  5. CSP, HSTS, X-Frame-Options headers

SEO (if applicable)

  • Unique + <meta description> per page</li> <li>LCP < 2.5s, CLS < 0.1</li> <li>sitemap.xml, robots.txt, canonical URLs, JSON-LD</li> </ul> <h2>Forbidden patterns</h2> <p>❌ Hardcoded secrets ❌ SELECT * without LIMIT ❌ .env in git ❌ "Security later" ❌ Deploy without tests ❌ Framework by trend</p> </article> </div> <!-- Right: Metadata & Command Sidebar --> <div class="w-full lg:w-80 shrink-0 flex flex-col gap-6" data-astro-cid-7zzsworf> <!-- Install Card --> <div class="p-6 rounded-xl bg-surface-container border border-border/80 flex flex-col gap-4 shadow-sm" data-astro-cid-7zzsworf> <span class="text-xs font-bold uppercase tracking-widest text-on-surface-variant/60 font-mono" data-astro-cid-7zzsworf>Install via CLI</span> <div class="flex flex-col gap-2" data-astro-cid-7zzsworf> <div id="detail-install-cmd" class="font-mono text-[11px] p-3 rounded-lg bg-black/40 border border-border select-all break-all text-primary font-bold leading-relaxed" data-astro-cid-7zzsworf> npx skills add https://github.com/Tryboy869/dojutsu-for-ai --skill dev-expert </div> <button id="detail-copy-btn" class="w-full py-2.5 rounded-lg bg-primary hover:bg-primary-hover text-on-primary font-sans font-bold text-sm shadow transition-all active:scale-95 flex items-center justify-center gap-1.5" data-astro-cid-7zzsworf> <span class="material-symbols-outlined text-[16px]" data-astro-cid-7zzsworf>content_copy</span> <span data-astro-cid-7zzsworf>Copy Command</span> </button> </div> </div> <!-- Details & Stats Card --> <div class="p-6 rounded-xl bg-surface-container border border-border/80 flex flex-col gap-4 shadow-sm text-on-surface" data-astro-cid-7zzsworf> <span class="text-xs font-bold uppercase tracking-widest text-on-surface-variant/60 font-sans" data-astro-cid-7zzsworf>Repository Details</span> <div class="flex flex-col gap-3.5" data-astro-cid-7zzsworf> <div class="flex justify-between items-center text-sm" data-astro-cid-7zzsworf> <span class="text-on-surface-variant/70 flex items-center gap-1.5" data-astro-cid-7zzsworf> <span class="material-symbols-outlined text-[16px] text-on-surface-variant/60" data-astro-cid-7zzsworf>star</span> Stars </span> <span class="font-mono font-bold text-on-surface" data-astro-cid-7zzsworf>2</span> </div> <div class="flex justify-between items-center text-sm" data-astro-cid-7zzsworf> <span class="text-on-surface-variant/70 flex items-center gap-1.5" data-astro-cid-7zzsworf> <span class="material-symbols-outlined text-[16px] text-on-surface-variant/60" data-astro-cid-7zzsworf>call_split</span> Forks </span> <span class="font-mono font-bold text-on-surface" data-astro-cid-7zzsworf>0</span> </div> <div class="flex justify-between items-center text-sm" data-astro-cid-7zzsworf> <span class="text-on-surface-variant/70 flex items-center gap-1.5" data-astro-cid-7zzsworf> <span class="material-symbols-outlined text-[16px] text-on-surface-variant/60" data-astro-cid-7zzsworf>navigation</span> Branch </span> <span class="font-mono bg-surface border border-border px-2 py-0.5 rounded text-[11px] text-on-surface-variant" data-astro-cid-7zzsworf>main</span> </div> <div class="flex justify-between items-start text-sm" data-astro-cid-7zzsworf> <span class="text-on-surface-variant/70 flex items-center gap-1.5 mt-0.5" data-astro-cid-7zzsworf> <span class="material-symbols-outlined text-[16px] text-on-surface-variant/60" data-astro-cid-7zzsworf>article</span> Path </span> <span class="font-mono bg-surface border border-border px-2 py-0.5 rounded text-[11px] text-on-surface-variant truncate max-w-[150px]" title="SKILL.md" data-astro-cid-7zzsworf>SKILL.md</span> </div> </div> </div> <!-- Occupations Tag Card --> <!-- Related Creators Card --> <div class="p-6 rounded-xl bg-surface-container border border-border/80 flex flex-col gap-3 shadow-sm" data-astro-cid-7zzsworf> <span class="text-xs font-bold uppercase tracking-widest text-on-surface-variant/60 font-sans" data-astro-cid-7zzsworf>More from Creator</span> <div class="flex items-center gap-2" data-astro-cid-7zzsworf> <img class="w-8 h-8 rounded-full border border-border" src="https://avatars.githubusercontent.com/u/202674434?u=20efecc885139ff12ec5b7e628ddaa90ba52987c&v=4" alt="Tryboy869" onerror="this.src='https://avatars.githubusercontent.com/u/9919?v=4'" data-astro-cid-7zzsworf> <div class="flex flex-col min-w-0" data-astro-cid-7zzsworf> <span class="font-bold text-sm truncate text-on-surface" data-astro-cid-7zzsworf>Tryboy869</span> <a href="/?creator=Tryboy869" class="text-xs text-primary hover:underline font-semibold transition-all" data-astro-cid-7zzsworf>Explore all skills →</a> </div> </div> </div> </div> </div> </div> </div> <script> const copyBtn = document.getElementById("detail-copy-btn"); const installCmd = document.getElementById("detail-install-cmd"); if (copyBtn && installCmd) { copyBtn.addEventListener("click", () => { const cmd = installCmd.textContent.trim(); navigator.clipboard.writeText(cmd).then(() => { const originalText = copyBtn.innerHTML; copyBtn.innerHTML = ` <span class="material-symbols-outlined text-[16px]">check</span> <span>Copied!</span> `; copyBtn.style.background = "#10b981"; copyBtn.style.borderColor = "#10b981"; setTimeout(() => { copyBtn.innerHTML = originalText; copyBtn.style.background = ""; copyBtn.style.borderColor = ""; }, 1500); }); }); } </script> </div> <!-- Footer --> <footer class="border-t border-border bg-surface-container-low text-on-surface-variant py-8 px-gutter mt-16 rounded-xl"> <div class="max-w-container-max mx-auto flex flex-col md:flex-row justify-between items-center gap-6"> <div class="flex items-center gap-2"> <div class="w-6 h-6 rounded bg-primary bg-opacity-20 flex items-center justify-center"> <span class="material-symbols-outlined text-primary text-sm">code_blocks</span> </div> <span class="font-bold text-on-surface text-sm">SkillMD</span> </div> <div class="flex flex-wrap justify-center gap-6 text-sm"> <a href="/about" class="hover:text-primary transition-colors">About Us</a> <a href="/contact" class="hover:text-primary transition-colors">Contact Us</a> <a href="/privacy" class="hover:text-primary transition-colors">Privacy Policy</a> <a href="/terms" class="hover:text-primary transition-colors">Terms of Service</a> <a href="/support" class="hover:text-primary transition-colors">Support</a> </div> <div class="text-xs text-on-surface-variant/80"> © 2026 SkillMD. All rights reserved. </div> </div> </footer> </main> <!-- Script for Theme Toggle, Mobile Menu, and Sidebar Filter Redirection --> <script> // Theme setup const savedTheme = localStorage.getItem("theme") || "dark"; function applyTheme(theme) { document.documentElement.classList.remove("dark", "green", "dracula", "nord"); if (theme === "dark") { document.documentElement.classList.add("dark"); } else if (theme === "green") { document.documentElement.classList.add("dark", "green"); } else if (theme === "dracula") { document.documentElement.classList.add("dark", "dracula"); } else if (theme === "nord") { document.documentElement.classList.add("dark", "nord"); } document.documentElement.setAttribute("data-theme", theme); const themeMoon = document.getElementById("theme-moon"); const themeSun = document.getElementById("theme-sun"); const themeLeaf = document.getElementById("theme-leaf"); const themeDracula = document.getElementById("theme-dracula"); const themeNord = document.getElementById("theme-nord"); if (themeMoon && themeSun && themeLeaf && themeDracula && themeNord) { themeMoon.style.display = theme === "dark" ? "inline" : "none"; themeSun.style.display = theme === "light" ? "inline" : "none"; themeLeaf.style.display = theme === "green" ? "inline" : "none"; themeDracula.style.display = theme === "dracula" ? "inline" : "none"; themeNord.style.display = theme === "nord" ? "inline" : "none"; } } applyTheme(savedTheme); const themeToggleBtn = document.getElementById("theme-toggle-btn"); if (themeToggleBtn) { themeToggleBtn.addEventListener("click", () => { const currentTheme = document.documentElement.getAttribute("data-theme") || "dark"; let newTheme = "dark"; if (currentTheme === "dark") { newTheme = "light"; } else if (currentTheme === "light") { newTheme = "green"; } else if (currentTheme === "green") { newTheme = "dracula"; } else if (currentTheme === "dracula") { newTheme = "nord"; } else { newTheme = "dark"; } applyTheme(newTheme); localStorage.setItem("theme", newTheme); }); } // Mobile menu toggle and sidebar logic const mobileMenuToggle = document.getElementById("mobile-menu-toggle"); const sidebarMenu = document.getElementById("sidebar-menu"); const sidebarOverlay = document.getElementById("sidebar-overlay"); function isMobile() { return window.innerWidth < 768; // 768px is the 'md' breakpoint in Tailwind } function openSidebar() { if (sidebarMenu) { sidebarMenu.classList.remove("-translate-x-full"); } if (sidebarOverlay) { sidebarOverlay.classList.remove("hidden"); } } function closeSidebar() { if (sidebarMenu && isMobile()) { sidebarMenu.classList.add("-translate-x-full"); } if (sidebarOverlay) { sidebarOverlay.classList.add("hidden"); } } if (mobileMenuToggle && sidebarMenu) { mobileMenuToggle.addEventListener("click", (e) => { e.stopPropagation(); if (isMobile()) { const isClosed = sidebarMenu.classList.contains("-translate-x-full"); if (isClosed) { openSidebar(); } else { closeSidebar(); } } }); document.addEventListener("click", (e) => { if (isMobile()) { if (!sidebarMenu.contains(e.target) && !mobileMenuToggle.contains(e.target)) { closeSidebar(); } } }); if (sidebarOverlay) { sidebarOverlay.addEventListener("click", () => { if (isMobile()) { closeSidebar(); } }); } // Collapse sidebar when clicking a filter button, creator button, or nav item inside it sidebarMenu.addEventListener("click", (e) => { if (isMobile()) { const clickTarget = e.target.closest("button, a"); if (clickTarget) { closeSidebar(); } } }); // Sync sidebar state on window resize window.addEventListener("resize", () => { if (!isMobile()) { // Desktop: sidebar should be visible, no overlay if (sidebarMenu) { sidebarMenu.classList.remove("-translate-x-full"); } if (sidebarOverlay) { sidebarOverlay.classList.add("hidden"); } } else { // Mobile: start collapsed if (sidebarMenu) { sidebarMenu.classList.add("-translate-x-full"); } if (sidebarOverlay) { sidebarOverlay.classList.add("hidden"); } } }); } // If not on homepage, redirect on sidebar filter click const isHomepage = window.location.pathname === "/"; document.querySelectorAll("#occupation-filters .filter-btn").forEach(btn => { btn.addEventListener("click", (e) => { const occ = e.currentTarget.getAttribute("data-occupation"); if (!isHomepage) { window.location.href = occ ? `/?occupation=${encodeURIComponent(occ)}` : "/"; } }); }); document.querySelectorAll("#creator-filters .creator-btn").forEach(btn => { btn.addEventListener("click", (e) => { const creator = e.currentTarget.getAttribute("data-creator"); if (!isHomepage) { window.location.href = `/?creator=${encodeURIComponent(creator)}`; } }); }); </script> </body> </html>