---
title: "Hossein Hezami (@hosseinhezami) | Hashnode"
description: "Hossein Hezami (@hosseinhezami) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@hosseinhezami"
---

@hosseinhezami

# Hossein Hezami

@hosseinhezami · New York, USA · Joined September 2026

### [The Architecture of Modern AI: Models, Agents, Vector Databases, and MCP](https://hosseinhezami.hashnode.dev/the-architecture-of-modern-ai-models-agents-vector-databases-and-mcp?utm_source=hashnode&utm_medium=feed)

A practical field guide to the concepts, architectures, and free-versus-professional tools behind production AI systems.

24 min read · [hosseinhezami.hashnode.dev](https://hosseinhezami.hashnode.dev/the-architecture-of-modern-ai-models-agents-vector-databases-and-mcp?utm_source=hashnode&utm_medium=feed)

[3d ago](https://hashnode.com/posts/the-architecture-of-modern-ai-models-agents-vector-databases-and-mcp/6aeda32a77cc2fcbe2af410b)

### [Architecting Durable MCP Servers in Laravel for Long-Running AI Agents](https://hosseinhezami.hashnode.dev/architecting-durable-mcp-servers-in-laravel-for-long-running-ai-agents?utm_source=hashnode&utm_medium=feed)

The demo works flawlessly. You ask the AI agent to analyze a customer's billing history, query the internal documentation, and draft a personalized support response. The Large Language Model (LLM) thi

19 min read · [hosseinhezami.hashnode.dev](https://hosseinhezami.hashnode.dev/architecting-durable-mcp-servers-in-laravel-for-long-running-ai-agents?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/architecting-durable-mcp-servers-in-laravel-for-long-running-ai-agents/6ae5c0202b6f7d05044d6501) [Oct 31](https://hashnode.com/posts/architecting-durable-mcp-servers-in-laravel-for-long-running-ai-agents/6ae5c0202b6f7d05044d6501)

### [Architecting Secure AI Agents in Laravel Using Model Context Protocol (MCP)](https://hosseinhezami.hashnode.dev/architecting-secure-ai-agents-in-laravel-using-model-context-protocol-mcp?utm_source=hashnode&utm_medium=feed)

Most Laravel developers begin integrating AI by making synchronous HTTP requests to an LLM provider inside a standard controller. While this works for simple text generation, it falls apart when build

11 min read · [hosseinhezami.hashnode.dev](https://hosseinhezami.hashnode.dev/architecting-secure-ai-agents-in-laravel-using-model-context-protocol-mcp?utm_source=hashnode&utm_medium=feed)

[Oct 31](https://hashnode.com/posts/architecting-secure-ai-agents-in-laravel-using-model-context-protocol-mcp/6ae5ace28b90caff5d782ba5)

### [I Rebuilt My RAG Pipeline Without LangChain — What Got Better and What Got Worse](https://hosseinhezami.hashnode.dev/i-rebuilt-my-rag-pipeline-without-langchain-what-got-better-and-what-got-worse?utm_source=hashnode&utm_medium=feed)

I Rebuilt My RAG Pipeline Without LangChain — What Got Better and What Got Worse

21 min read · [hosseinhezami.hashnode.dev](https://hosseinhezami.hashnode.dev/i-rebuilt-my-rag-pipeline-without-langchain-what-got-better-and-what-got-worse?utm_source=hashnode&utm_medium=feed)

[Sep 6](https://hashnode.com/posts/i-rebuilt-my-rag-pipeline-without-langchain-what-got-better-and-what-got-worse/6a9d379cfeec287db90a3514)