Portfolio

rubenmarcus.dev

Personal portfolio. Agent-ready · humans welcome. Terminal-green and agent-first: a cinematic 3D hero, a blog written for humans and machines, and an MCP server so AI agents can read the resume and book a call without ever rendering the page.

Live: rubenmarcus.dev

Stack

• Astro 5 (islands, content collections, i18n EN/PT)
• Svelte 5 (runes) for interactive components
• Three.js — custom GLSL shaders (ice-flow background,

contour/wireframe/ASCII render states)

• GSAP + Lenis — scroll choreography
• Tailwind CSS 3
• Vercel (adapter with edge middleware, Analytics)

Features

• Hero with an AI-generated, auto-rigged 3D character that types at a desk and

dissolves through render states (contour isolines → wireframe → scanline point cloud → ASCII) driven by scroll

• Live HUD telemetry fed by GitHub/npм stats, degrading gracefully offline
• Bilingual blog (EN + PT mirrors) with generated particle-art covers,

copy-button code blocks, view counter (optional Supabase)

• /api/mcp — a hand-rolled JSON-RPC 2.0 MCP server (tools/list,

tools/call) exposing resume data and a book_intro tool

• /api/hire — contact endpoint with field caps + honeypot, relayed via

formsubmit.co

• llms.txt, robots.txt with AI-crawler rules, RSS (EN/PT), sitemap with

hreflang, JSON-LD — built for answer engines, not just search

• Edge middleware easter egg: curl rubenmarcus.dev returns a plain-text resume
• Bottom-right audio deck (YouTube IFrame API) persisted across page

transitions

• Visual QA gauntlet (scripts/visual-gauntlet.mjs) that screenshots every

page on desktop + mobile and captures console errors

Getting started

pnpm install
pnpm dev

Production build:

pnpm build
pnpm preview

Quality gates:

pnpm check       # astro check (types)
pnpm text:gate   # prose lint for the blog voice (scripts/text-gate.mjs)

Environment variables

Everything degrades gracefully without env vars. Optional:

• PUBLIC_SUPABASE_URL + PUBLIC_SUPABASE_ANON_KEY — blog view counter
• OPENROUTER_API_KEY — only for the asset-generation scripts in scripts/

Project structure

src/
  components/        # Svelte/Astro components (hero, deck, cards, lab demos)
  content/           # blog (EN) + blog-pt collections, zod-validated
  layouts/           # BaseLayout: SEO, OG, JSON-LD, analytics, audio deck
  lib/               # data (projects, agents, tools), three/, motion/, assets/
  pages/
    api/             # hire.ts, mcp.ts, resume.json.ts, resume.txt.ts
    pt/              # PT mirrors of every page
    work/            # case studies
  middleware.ts      # edge: curl user-agent → text resume
scripts/             # asset generators (OpenRouter) + text-gate + visual gauntlet
public/art/          # generated covers, logos, frames
qa/                  # gauntlet shots + scoring log

License

MIT

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: rubenmarcus
• Source: rubenmarcus/portfolio
• License: MIT
• Homepage: https://www.rubenmarcus.dev

Install and usage instructions live in the source repository linked above.