Fernando Hermida

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Python

25 Jul 2026

Hello World, LangChain

10 Aug 2026

Agent Loops in Python

10 Aug 2026

Tool Calling with LangChain

10 Aug 2026

Graphs, Not Chains

10 Aug 2026

Durable State and Checkpoints

10 Aug 2026

Human-in-the-Loop Interrupts

10 Aug 2026

Structured Output as a Guardrail

10 Aug 2026

A Minimal Eval Harness

10 Aug 2026

LLM-as-Judge

10 Aug 2026

Tracing Agents with OpenTelemetry

10 Aug 2026

Timeouts, Retries, and Loop Limits

26 Sep 2026

Designing the Intelligence Behind Energy Storage