**How to build an AI agent in 2026: a practical step-by-step guide**

> How to build an AI agent from scratch: pick a framework (LangChain, OpenAI Agents SDK, CrewAI), define tools, add guardrails and governance, test against attacks, and deploy with monitoring. Code included. Home / Blog / How to build an AI agent in 2026: a practical step-by-step guide § ARTICLE / June 11, 2026 · 12 min read How to build an AI agent in 2026: a practical step-by-step guide Tutorial AI Agents Guide RM Fo...

**来源信息**
- **来源**：Hacker News：AI 热帖
- **分类**：ai-products
- **发布时间**：2026-06-22 23:31（北京时间）
- **原文**：[打开原文](https://www.execlave.com/blog/how-to-build-an-ai-agent)