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Juan Iturbe · Panama / remote

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03 / Working notes

Blog

Notes on using, building, and testing AI systems.

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5 articles
AIArchitectureTSLangChainLangGraph
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Oct 30, 2026 AI / Architecture / TS / LangChain

AI Memory Layer: Designing Persistent Memory for Agents

What should an AI agent remember? A practical look at scoped memory, human sources, retrieval, disagreements and where a graph helps.

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02
May 11, 2026 AI / Architecture / LangGraph / TypeScript

Operations, Not Replacements: CQRS Reducers for Agent State

When your agent's state gets complex, full replacements break. Learn how to use incremental operations with CQRS reducers in LangGraph.

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03
Mar 28, 2026 AI / Evaluation / Implementation

How to Evaluate an AI Proposal Before Hiring

Evaluate an AI proposal before hiring: compare alternatives, test real tasks, review data access and costs, and define when to approve a pilot.

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04
Oct 15, 2025 AI / Architecture / TS / LangChain

Key Concepts for Implementing Memory in AI Agents

An introductory explanation of the concepts to consider when implementing short-term and long-term memory in agents.

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05
Jan 19, 2025 AI / Product / Panama / LangChain / Implementation

Building AI Agent Capabilities Into Your Product

How to decide what an AI agent should enable in your product: user needs, knowledge, actions, evaluation, and the boundaries of a first version.

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Juan Iturbe

AI consulting & implementation · Panama & remote

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