<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Matheus Passos | Articles</title><description>Matheus Passos is a Senior Full Stack Software Engineer building software, modernizing legacy systems, and solving complex engineering problems. Notes on databases, backend, frontend, cloud and applied AI.</description><link>https://matheuspassos.dev</link><language>en</language><item><title>How to Build a Customer Support Agent with Python</title><link>https://matheuspassos.dev/articles/building-a-customer-support-agent-with-python</link><guid isPermaLink="true">https://matheuspassos.dev/articles/building-a-customer-support-agent-with-python</guid><description>A practical architecture for an LLM support agent that can run in production (queues, state machines, retrieval, guardrails and handoffs), based on AI Central, the support platform I designed and lead.</description><pubDate>Sun, 04 Oct 2026 00:00:00 GMT</pubDate><category>Python</category><category>AI</category><category>LLM</category><category>Architecture</category><category>FastAPI</category></item></channel></rss>