Blog CV

Writing

Field notes from building with agents. Written from what actually shipped, including the parts that did not work.

2026

  • So You Want to Build AI Agents That Do the Work? Start with Evals 34 min read
  • Mastra Memory: The Context Layer That Survives Long Conversations 20 min read
  • MCP: Why the Description String Is the Most Important String in Your Harness 23 min read
  • Mastra Processors: The Guardrail Layer That Runs on Every Step 10 min read
  • Mastra Processors: la capa de guardrails que se ejecuta en cada paso 12 min read
  • Building a Fully Functional Agent Harness with Mastra 12 min read
  • Foundations of AI: From Vectors to Neural Networks 22 min read

2025

  • Vibe Engineering: A Guide to AI-Assisted Coding with Agents 12 min read
  • How I Use AI and LLMs for Coding - A Comprehensive and Opinionated Guide 20 min read
  • Model Context Protocol (MCP) - The USB-C for AI 6 min read

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© 2026 Matias Lapolla

I use Google Analytics and Microsoft Clarity to see which posts are worth writing more of. Neither runs until you say yes.