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Building AI Agents from Scratch: A Practical Guide
2026-01-20

Building AI Agents from Scratch: A Practical Guide

8 min readAI AutomationDeveloper TutorialsTools & Integrationautomationn8nAI agentsLangChainOpenAIcustom toolsPythondeploymentDeepSeekGoogle Sheets

A hands-on tutorial for developers to create AI agents with LangChain, OpenAI, and custom tools, featuring n8n, Google Sheets, and DeepSeek for automation.

Building AI Agents from Scratch: A Practical Guide

AI agents are transforming how we automate tasks. In this guide, I'll show you how to build your own.

What is an AI Agent?

An AI agent is a system that can perceive its environment, make decisions, and take actions to achieve goals.

Getting Started

  1. Set up your development environment
  2. Install LangChain and OpenAI
  3. Build your first agent
  4. Add custom tools
  5. Deploy to production

Tags: LangChain, OpenAI, Automation

Tags: AI agents, LangChain, OpenAI, automation, n8n, custom tools, Python, deployment, DeepSeek, Google Sheets

Tags: automation, n8n, AI agents, LangChain, OpenAI, custom tools, Python, deployment, DeepSeek, Google Sheets

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