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Elizabeth Fuentes L

I help developers build production-ready AI applications through hands-on tutorials and open-source projects.

Location San Francisco, California Joined Joined on  Personal website https://elifuentes.tech/ github website twitter website

Education

Master of Science in Data Science

Pronouns

she/her

Work

AWS Developer Advocate

AI Agent Memory Types: Your Agent Forgets Everything. Fix It
elizabethfuentes12 profile

AI Agent Memory Types: Your Agent Forgets Everything. Fix It

#ai #programming #beginners #architecture
17
Comments 1
12 min read

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Cómo Evitar que las Alucinaciones RAG Envenenen tu Vector Store
elizabethfuentes12 profile

Cómo Evitar que las Alucinaciones RAG Envenenen tu Vector Store

#ai #security #python #spanish
5
Comments
11 min read
Por qué los agentes de IA fallan en tareas multi-paso, y cómo atrapar el fallo silencioso
elizabethfuentes12 profile

Por qué los agentes de IA fallan en tareas multi-paso, y cómo atrapar el fallo silencioso

#ai #programming #tutorial #spanish
6
Comments
8 min read
Agentes de IA auto-mejorables: Convierte razonamiento repetido en herramientas que el agente escribe solo
elizabethfuentes12 profile

Agentes de IA auto-mejorables: Convierte razonamiento repetido en herramientas que el agente escribe solo

#ai #programming #tutorial #spanish
6
Comments
8 min read
How to Stop RAG Hallucinations Poisoning Your Vector Store
elizabethfuentes12 profile

How to Stop RAG Hallucinations Poisoning Your Vector Store

#ai #security #python #tutorial
26
Comments 2
10 min read
Cómo detener la inyección de prompts en agentes de IA que leen contenido no confiable
elizabethfuentes12 profile

Cómo detener la inyección de prompts en agentes de IA que leen contenido no confiable

#ai #programming #tutorial #spanish
6
Comments 1
7 min read
Detener alucinaciones de agentes de IA: Validar antes de que el agente escriba en memoria
elizabethfuentes12 profile

Detener alucinaciones de agentes de IA: Validar antes de que el agente escriba en memoria

#ai #programming #tutorial #spanish
5
Comments
8 min read
Cómo probar agentes de IA contra fallos de producción antes que tus usuarios
elizabethfuentes12 profile

Cómo probar agentes de IA contra fallos de producción antes que tus usuarios

#ai #programming #tutorial #spanish
6
Comments
10 min read
How to Test AI Agents for Production Failures Before Your Users Do
elizabethfuentes12 profile

How to Test AI Agents for Production Failures Before Your Users Do

#ai #programming #tutorial #python
20
Comments 1
9 min read
Self-Improving AI Agents: Turn Repeated Reasoning Into Tools the Agent Writes Itself
elizabethfuentes12 profile

Self-Improving AI Agents: Turn Repeated Reasoning Into Tools the Agent Writes Itself

#ai #programming #tutorial #python
10
Comments
8 min read
Why AI Agents Fail at Multi-Step Tasks, and How to Catch the Silent Failure
elizabethfuentes12 profile

Why AI Agents Fail at Multi-Step Tasks, and How to Catch the Silent Failure

#ai #programming #tutorial #python
5
Comments
7 min read
How to Stop Prompt Injection in AI Agents That Read Untrusted Content
elizabethfuentes12 profile

How to Stop Prompt Injection in AI Agents That Read Untrusted Content

#ai #programming #tutorial #python
15
Comments
7 min read
Stop AI Agent Hallucinations: Validate Before the Agent Writes to Memory
elizabethfuentes12 profile

Stop AI Agent Hallucinations: Validate Before the Agent Writes to Memory

#ai #programming #tutorial #python
11
Comments
7 min read
Memoria de Agentes de IA: Conversación vs Contexto
elizabethfuentes12 profile

Memoria de Agentes de IA: Conversación vs Contexto

#ai #aws #python #tutorial
11
Comments
10 min read
Stop wasting tokens with the wrong AI agent memory
elizabethfuentes12 profile

Stop wasting tokens with the wrong AI agent memory

#ai #aws #python #tutorial
30
Comments 5
9 min read
AWS Agent Toolkit: Evita que tu Agente de IA Alucine APIs
elizabethfuentes12 profile

AWS Agent Toolkit: Evita que tu Agente de IA Alucine APIs

#ai #aws #tutorial #spanish
6
Comments
7 min read
AWS Agent Toolkit: Stop Your Coding Agent Hallucinating APIs
elizabethfuentes12 profile

AWS Agent Toolkit: Stop Your Coding Agent Hallucinating APIs

#ai #aws #tutorial #beginners
19
Comments 4
6 min read
How to Fix Claude Fable 5 Data Retention Error on Amazon Bedrock
elizabethfuentes12 profile

How to Fix Claude Fable 5 Data Retention Error on Amazon Bedrock

#aws #ai #claude #tutorial
6
Comments
7 min read
Detect AI Agent Hallucinations: Zero-Shot Methods
elizabethfuentes12 profile

Detect AI Agent Hallucinations: Zero-Shot Methods

#ai #python #tutorial #programming
9
Comments 2
8 min read
Cómo Prevenir Loops de Razonamiento en Agentes de IA y No Desperdiciar Tokens
elizabethfuentes12 profile

Cómo Prevenir Loops de Razonamiento en Agentes de IA y No Desperdiciar Tokens

#ai #tutorial #python #programming
5
Comments 1
9 min read
Cómo Evaluar Agentes IA: Tutorial de LLM-as-Judge
elizabethfuentes12 profile

Cómo Evaluar Agentes IA: Tutorial de LLM-as-Judge

#ai #python #tutorial #programming
6
Comments
13 min read
How to Evaluate AI Agents: LLM-as-Judge Tutorial
elizabethfuentes12 profile

How to Evaluate AI Agents: LLM-as-Judge Tutorial

#ai #python #tutorial #programming
8
Comments
11 min read
Solucionar Timeouts de MCP: Patrón HandleId Asíncrono
elizabethfuentes12 profile

Solucionar Timeouts de MCP: Patrón HandleId Asíncrono

#ai #tutorial #python #programming
Comments
8 min read
Cómo Evaluar AI Agents: Comparación de 3 Frameworks
elizabethfuentes12 profile

Cómo Evaluar AI Agents: Comparación de 3 Frameworks

#ai #python #tutorial #programming
15
Comments
18 min read
How to Evaluate AI Agents: 3 Framework Comparison
elizabethfuentes12 profile

How to Evaluate AI Agents: 3 Framework Comparison

#ai #python #tutorial #programming
23
Comments
16 min read
Desbordamiento de Ventana de Contexto de IA: Solución con Puntero de Memoria
elizabethfuentes12 profile

Desbordamiento de Ventana de Contexto de IA: Solución con Puntero de Memoria

#ai #tutorial #python #programming
7
Comments 1
11 min read
Cómo Monitorear Costos de Agentes IA sin Configuración
elizabethfuentes12 profile

Cómo Monitorear Costos de Agentes IA sin Configuración

#ai #python #opensource #tutorial
13
Comments
3 min read
Built-in Token Counting: Telemetry for Production AI Agents
elizabethfuentes12 profile

Built-in Token Counting: Telemetry for Production AI Agents

#ai #python #opensource #tutorial
16
Comments
3 min read
Cómo Guiar Asistentes de IA para Construir Agentes Listos para Producción: 8 Patrones Esenciales
elizabethfuentes12 profile

Cómo Guiar Asistentes de IA para Construir Agentes Listos para Producción: 8 Patrones Esenciales

#ai #tutorial #programming #python
9
Comments
16 min read
Prompt AI Coding Assistants to Build Production-Ready Agents: 8 Essential Patterns
elizabethfuentes12 profile

Prompt AI Coding Assistants to Build Production-Ready Agents: 8 Essential Patterns

#ai #tutorial #programming #python
8
Comments
14 min read
Por Qué Fallan los Agentes de IA: 3 Modos de Fallo Que Cuestan Tokens y Tiempo
elizabethfuentes12 profile

Por Qué Fallan los Agentes de IA: 3 Modos de Fallo Que Cuestan Tokens y Tiempo

#ai #tutorial #python #programming
13
Comments 2
9 min read
How to Prevent AI Agent Reasoning Loops from Wasting Tokens
elizabethfuentes12 profile

How to Prevent AI Agent Reasoning Loops from Wasting Tokens

#ai #tutorial #python #aws
21
Comments 3
8 min read
Fix MCP Timeouts: Async HandleId Pattern
elizabethfuentes12 profile

Fix MCP Timeouts: Async HandleId Pattern

#ai #tutorial #python #llm
22
Comments 1
7 min read
AI Context Window Overflow: Memory Pointer Fix
elizabethfuentes12 profile

AI Context Window Overflow: Memory Pointer Fix

#ai #tutorial #python #aws
36
Comments 2
10 min read
Guardrails para Agentes de IA que se Autocorrigen en Lugar de Bloquear
elizabethfuentes12 profile

Guardrails para Agentes de IA que se Autocorrigen en Lugar de Bloquear

#agents #ai #python #tutorial
12
Comments 1
8 min read
Multichannel AI Agent: Shared Memory Across Messaging Platforms
elizabethfuentes12 profile

Multichannel AI Agent: Shared Memory Across Messaging Platforms

#ai #tutorial #chatbot #agents
13
Comments 2
6 min read
Guardrails para Agentes de IA: Reglas Que los LLM No Pueden Evadir
elizabethfuentes12 profile

Guardrails para Agentes de IA: Reglas Que los LLM No Pueden Evadir

#ai #python #agents #tutorial
6
Comments
7 min read
5 Techniques to Stop AI Agent Hallucinations in Production
elizabethfuentes12 profile

5 Techniques to Stop AI Agent Hallucinations in Production

#ai #aws #python #machinelearning
48
Comments 4
16 min read
Why AI Agents Fail: 3 Failure Modes That Cost You Tokens and Time
elizabethfuentes12 profile

Why AI Agents Fail: 3 Failure Modes That Cost You Tokens and Time

#ai #python #agents #tutorial
30
Comments 2
8 min read
Reduce errores y costos de tokens en agentes con seleccion semantica de herramientas
elizabethfuentes12 profile

Reduce errores y costos de tokens en agentes con seleccion semantica de herramientas

#ai #python #agents #tutorial
5
Comments
6 min read
RAG vs GraphRAG: Cuando los Agentes Alucinan Respuestas
elizabethfuentes12 profile

RAG vs GraphRAG: Cuando los Agentes Alucinan Respuestas

#ai #python #agents #tutorial
8
Comments
5 min read
Detén las Hallucinations en Agentes de IA: 4 Técnicas Esenciales
elizabethfuentes12 profile

Detén las Hallucinations en Agentes de IA: 4 Técnicas Esenciales

#agents #ai #python #tutorial
11
Comments 2
6 min read
How to Stop AI Agents from Hallucinating Silently with Multi-Agent Validation
elizabethfuentes12 profile

How to Stop AI Agents from Hallucinating Silently with Multi-Agent Validation

#ai #tutorial #python #agents
21
Comments 5
8 min read
Runtime Guardrails for AI Agents - Steer, Don't Block
elizabethfuentes12 profile

Runtime Guardrails for AI Agents - Steer, Don't Block

#agents #ai #python #tutorial
38
Comments 4
8 min read
AI Agent Guardrails: Rules That LLMs Cannot Bypass
elizabethfuentes12 profile

AI Agent Guardrails: Rules That LLMs Cannot Bypass

#tutorial #python #ai #agents
15
Comments 2
8 min read
Reduce Agent Errors and Token Costs with Semantic Tool Selection
elizabethfuentes12 profile

Reduce Agent Errors and Token Costs with Semantic Tool Selection

#ai #agents #tutorial #python
38
Comments 2
8 min read
RAG vs GraphRAG: When Agents Hallucinate Answers
elizabethfuentes12 profile

RAG vs GraphRAG: When Agents Hallucinate Answers

#ai #agents #tutorial #python
29
Comments 2
8 min read
Stop AI Agent Hallucinations: 4 Essential Techniques
elizabethfuentes12 profile

Stop AI Agent Hallucinations: 4 Essential Techniques

#ai #machinelearning #agents #tutorial
54
Comments 8
12 min read
Build Agentic Video Analysis with TwelveLabs Pegasus in minutes
elizabethfuentes12 profile

Build Agentic Video Analysis with TwelveLabs Pegasus in minutes

#ai #aws #python #tutorial
30
Comments
7 min read
Build Production AI Agents with Managed Long-Term Memory
elizabethfuentes12 profile

Build Production AI Agents with Managed Long-Term Memory

#aws #python #tutorial #agentcore
17
Comments 1
8 min read
Multi-Modal Travel Planning Agent in Minutes
elizabethfuentes12 profile

Multi-Modal Travel Planning Agent in Minutes

#aws #ai #python #tutorial
22
Comments 1
7 min read
Monitorea Agentes de IA en Producción sin Código
elizabethfuentes12 profile

Monitorea Agentes de IA en Producción sin Código

#spanish #aws #ai #programming
11
Comments 1
9 min read
Monitor AI Agents in Production with Zero Code
elizabethfuentes12 profile

Monitor AI Agents in Production with Zero Code

#aws #ai #tutorial #monitoring
14
Comments 1
8 min read
AI Agents from Prototype to Production: A Free Learning Path with Strands Agents
elizabethfuentes12 profile

AI Agents from Prototype to Production: A Free Learning Path with Strands Agents

#aws #agents #python #beginners
30
Comments 5
6 min read
Despliega Agentes de IA con memoria a largo plazo a Producción en 15 Minutos (Sin Docker, Sin Kubernetes, Sin Dolor de Cabeza)
elizabethfuentes12 profile

Despliega Agentes de IA con memoria a largo plazo a Producción en 15 Minutos (Sin Docker, Sin Kubernetes, Sin Dolor de Cabeza)

#tutorial #español #aws #agentcore
12
Comments 1
9 min read
Bring AI agents with Long-Term memory into production in minutes
elizabethfuentes12 profile

Bring AI agents with Long-Term memory into production in minutes

#aws #tutorial #agentcore #bedrock
31
Comments 7
9 min read
Construye Agentes de IA que Nunca Olvidan: Amazon S3 Vectors + Strands Agent
elizabethfuentes12 profile

Construye Agentes de IA que Nunca Olvidan: Amazon S3 Vectors + Strands Agent

#python #aws #spanish #tutorial
6
Comments
8 min read
Evalúa y Mejora Tus Agentes: Evaluación Automatizada con RAGAS para Agentes de Producción
elizabethfuentes12 profile

Evalúa y Mejora Tus Agentes: Evaluación Automatizada con RAGAS para Agentes de Producción

#python #aws #tutorial #spanish
5
Comments
7 min read
Despliega Agentes de IA a Producción en 15 Minutos (Sin Docker, Sin Kubernetes, Sin Dolor de Cabeza)
elizabethfuentes12 profile

Despliega Agentes de IA a Producción en 15 Minutos (Sin Docker, Sin Kubernetes, Sin Dolor de Cabeza)

#python #tutorial #aws #beginners
7
Comments 1
7 min read
Monitorea Tus Agentes en Tiempo Real: Implementando Observabilidad con LangFuse en Strands Agents
elizabethfuentes12 profile

Monitorea Tus Agentes en Tiempo Real: Implementando Observabilidad con LangFuse en Strands Agents

#python #aws #programming #beginners
6
Comments
7 min read
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