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Author name: Alex Chen

Alex Chen is a senior software engineer with 8 years of experience building AI-powered applications. He has worked at startups and enterprise companies, shipping production systems using LangChain, OpenAI API, and various vector databases. He writes about practical AI development, tool comparisons, and lessons learned the hard way.

Beginner Guides

Data Privacy in AI: A Developer’s Honest Guide

Data Privacy in AI: A Developer’s Honest Guide

I’ve seen 5 organizations this month get fined for data privacy violations in their AI implementations. All 5 ignored the foundational aspects of data privacy.

1. Understand Data Minimization
Why it matters: Data minimization is the concept of only collecting and storing data that is strictly

Guides

I Made My AI Agent Useful (Heres How)

Hey there, agent-builders! Emma here, back from another late-night coding session fueled by lukewarm coffee and the sheer joy of watching something I built… well, *do* something. Today, I want to talk about something that’s probably on a lot of your minds, especially if you’re just dipping your toes into the AI agent pool: How

Beginner Guides

OpenAI API in 2026: 7 Things After 3 Months of Use

OpenAI API in 2026: 7 Things After 3 Months of Use
After three months with the OpenAI API in a mid-sized project, my verdict is pretty clear: it’s solid for chat applications, but watch out for unexpected costs and limitations when scaling.

Context
To put this review in context, I’ve been using the OpenAI API

Guides

Im Demystifying AI Agent Memory

Hey there, agent-in-training! Emma here, your friendly guide through the wild and wonderful world of AI agents. If you’ve been hanging around agent101.net for a bit, you know I’m all about demystifying this stuff, making it accessible even if your coding experience peaked with MySpace CSS (no judgment, we’ve all been there).

Today, I want

Beginner Guides

Ollama vs vLLM: Which One for Side Projects

Ollama vs vLLM: Which One for Side Projects?
Ollama boasts 165,710 stars on GitHub while vLLM has 73,811. Sure, those numbers look great for Ollama, but let’s not delude ourselves: stars alone don’t drive development forward. If you’re like me, you’re constantly weighing options for your side projects, especially when it comes to tools that

Beginner Guides

How to Add Memory To Your Agent with AutoGen (Step by Step)

How to Add Memory to Your Agent with AutoGen

We’re about to add memory to your agent using AutoGen, improving the way it interacts and remembers user context — and it’s a big deal! With the increasing complexity of artificial intelligence systems, having agents that can retain information enhances user experience significantly. In a world

Guides

I Built an AI Agent to Summarize My News

Hey there, agent-in-training! Emma here, back on agent101.net. Today, I want to talk about something that’s been buzzing in my Slack channels and personal projects for the last few months: getting an AI agent to actually do something useful for you, consistently, without needing a PhD in prompt engineering or a server farm in your

Beginner Guides

How to Add Vector Search with Qdrant (Step by Step)

Adding Vector Search with Qdrant: A Detailed Step-by-Step Tutorial

We’re building a vector search engine with Qdrant that will allow us to efficiently handle high-dimensional data queries—a necessity in today’s data-heavy applications.

Prerequisites

  • Python 3.11+
  • Qdrant installed (you can use Docker or install it directly)
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