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matias

(he/him)

Hey, I’m Matías — a dev, builder, and curious mind. I turn ideas into products using Laravel, Next.js, and AI tools. I write about what I learn, test MVPs in the dark, and constantly iterate to get closer to PMF.

Posts by matias

  • MCP: Why the Description String Is the Most Important String in Your Harness

    June 8, 2026
  • Mastra Processors: The Guardrail Layer That Runs on Every Step

    June 1, 2026
  • Mastra Processors: la capa de guardrails que se ejecuta en cada paso

    June 1, 2026
  • Building a Fully Functional Agent Harness with Mastra

    May 12, 2026
  • Foundations of AI: From Vectors to Neural Networks

    January 24, 2026
  • Vibe Engineering: A Guide to AI-Assisted Coding with Agents

    December 27, 2025
  • How I Use AI and LLMs for Coding - A Comprehensive and Opinionated Guide

    July 26, 2025
  • Model Context Protocol (MCP) - The USB-C for AI

    April 19, 2025
© 2026 Matias Lapolla