Blog Voice
Ruben's writing voice for rubenmarcus.dev — blog posts, about, ai and agents pages. Use whenever writing or editing prose for this site. Enforced by scripts/text-gate.mjs (pnpm text:gate).
Make Portfolio Blog Cover
Create, regenerate, or validate raster cover thumbnails for rubenmarcus.dev blog posts. Use when an article needs a cover, an existing thumbnail must be brought into the site's black-and-phosphor-green particle system, a cover motif must be added to scripts/gen-blog-covers.mjs, or blog image dimensions and visual consistency need QA.
Write Bilingual Blog
Write, translate, revise, or publish paired Portuguese and English Markdown articles for rubenmarcus.dev. Use for new portfolio blog posts, bilingual article pairs, PT/EN synchronization, frontmatter preparation, internal-link planning, article updates, and editorial QA in src/content/blog-pt and src/content/blog.
Portfolio Mcp
Discover Ruben Marcus's experience, services, availability, and contact options through his public portfolio MCP endpoint.
Portfolio
Agent-ready portfolio of Ruben Marcus, AI Fullstack Engineer. A cinematic WebGL site for humans and a protocol surface for agents: a remote MCP server (io.github.rubenmarcus/portfolio, on the official MCP Registry), a public Agent Skill, llms.txt and a plain-text resume over curl. Built with Astro 5, Svelte 5, Three.js and GSAP.