03 / Work

Selected projects

Concepts turned into real, functional products — where technology, design and a bit of craft meet.

Cover of mx-identifiers with the npm i mx-identifiers command, a validateRfc result showing valid true, birth date and expected check digit, and RFC, CURP, CLABE and NSS badges on a dark background.
Open Source · Library Published

mx-identifiers: Validate and Generate Mexican RFC, CURP, CLABE and NSS

Design & Development · 2026

Zero-dependency TypeScript npm library that validates and generates Mexican RFC, CURP, CLABE and NSS, with check digits verified against public vectors. Node and browser.

Cover of dep-cooldown with a 7-day lockfile report flagging pnpm, vitest and rolldown as YOUNG and 109 packages under the threshold with exit 1, a 7-day cooldown seal and that same threshold in npm, pnpm, Yarn and Bun units on a dark background.
Open Source · Security Published

Dependency Cooldown Auditor

Design & Development · 2026

Open-source CLI that audits the dependency cooldown (min-release-age) of a JavaScript project from its lockfile: npm, pnpm, Yarn and Bun.

Cover of mx-fiscal-mcp-server with a CFDI 4.0 invoice, a SAT «Vigente» seal and RFC, CURP, CLABE and NSS validators on a dark background.
Open Source · AI Published

Mexican Tax MCP Server

Design & Development · 2026

TypeScript MCP server with 8 read-only tools: validate Mexican RFC, CURP, CLABE and NSS, read CFDI 4.0 invoices and check their SAT status.

Cover of seo-geo-mcp-server with a magnifying glass, an AI answer bubble and structured-data nodes on a dark background.
Open Source · AI Published

SEO & GEO MCP Server

Design & Development · 2026

Free open-source MCP server with 17 tools to audit DNS, robots.txt and sitemaps from Claude, plus whether ChatGPT or Perplexity can read your page. No keys.

Cover of domain-security-mcp-server with a shield, an email envelope and network nodes on a dark background.
Open Source · AI Published

Domain Security MCP Server

Design & Development · 2026

TypeScript MCP server with 19 read-only tools for an AI agent to audit the email and DNS security of any domain. No API keys required.

Screenshot of the ortamarco.me portfolio homepage.
Portfolio Live

Portfolio

Design & Development · 2025

Marco Orta's portfolio and blog on Astro 7 SSR, Preact, Tailwind 4 and Pagefind, with EN/ES i18n, MDX content and developer tools.

Karati project brand cover with glassy jewelry icons (diamond, pendant, shopping bag and ring) in gold and violet on a dark background.
E-commerce Completed

Karati

Full Stack Developer · 2019

WooCommerce store for a Mexican jewelry brand (2019-2025): custom plugin, JWT API for the ERP, and 407 articles rescued on migration.

Aditum project brand cover with a glassy mint payment-dispersion node and documents on a dark background.
Web Platform Completed

Aditum

Full Stack Developer · 2023

Platform for project management, payments and fund dispersion, with native mobile apps and Excel reporting. Laravel + Quasar + Capacitor stack.

AcFin project brand cover with glassy mint finance icons (rising chart, card, coins and shield) on a dark background.
Finance App Completed

AcFin: How the Finance App Was Built

Full Stack Developer · 2023

AcFin is the finance app for managing investments, credit and contracts on web, Android and iOS. Built with Vue 3, Quasar, Capacitor and a Laravel API.

MinasERP project brand cover with glassy mint icons for inventory, dispatch note, spreadsheet and gear on a dark background.
ERP Completed

MinasERP

Full Stack Developer · 2021

Laravel ERP for trading operations: clients, contracts, dispatch notes, inventory and reports with PDF generation and Excel export.

07 / Contact

Tell me what's getting stuck in your business I reply within 24 hours.

Fill out the form and I'll reply within 24 hours. You can also email me directly:

Message me on WhatsApp contacto@ortamarco.me