Tutorial

How to Build an AI Agent from Scratch

A practical guide to building a production AI agent with an LLM, tools, and a reasoning loop. Working Python and TypeScript examples, plus the failure modes to plan for.

2026-08-14Guide

The Complete Guide to AI Agent Patterns

The reusable patterns behind production AI agents: prompt chaining, routing, parallelization, orchestrator-workers, evaluator-optimizer, and memory. With when to use each.

2026-08-14Comparison

RAG vs Fine-Tuning: When to Use Each for AI Agents

Retrieval-augmented generation and fine-tuning solve different problems. A clear framework for choosing, with the trade-offs of cost, freshness, and accuracy.

2026-08-14