//Tutorials & Step-by-Step Guides
Technical Guides & Interactive Tutorials

Step-by-Step AI Tutorials

Learn to master cutting-edge agentic tools: Claude Code CLI, Google Antigravity SDK, Nous Hermes 3 and NotebookLM with ready-to-execute terminal commands and code.

Intermediate12 minAgents & Automation

Building Autonomous Agents with n8n, DeepSeek Reasoner, and PostgreSQL

How to build a no-code agentic workflow where AI queries and writes to your production database.

Prerequisites:
n8n Instance (Docker or Cloud)PostgreSQL ServerDeepSeek / Ollama API Key

Guide Steps:

1
Creating the Workflow and Input Webhook in n8n

Add a 'Webhook' or 'Telegram Trigger' node to receive user queries.

docker run -it --rm --name n8n -p 5678:5678 n8nio/n8n
2
Configuring the 'AI Agent' Node and DeepSeek Reasoner Model

Drag the 'AI Agent' node, select OpenAI/Custom provider, and enter the DeepSeek URL (or your local vLLM server).

Code / Executable Prompt
// Configuración del Nodo DeepSeek en n8n:
Base URL: https://api.deepseek.com/v1
Model: deepseek-reasoner
Temperature: 0.2
3
Connecting the PostgreSQL Tool

Add the 'PostgreSQL Tool' node to allow AI to execute SELECT reads and validations before replying.

Code / Executable Prompt
SELECT id, cliente, estado_pedido, fecha_entrega 
FROM pedidos 
WHERE cliente_email = $1;
4
End-to-End Agent Testing

Send a request from your app and watch the reasoning chain and query execution in real-time.

Code / Executable Prompt
> "Hola, quisiera saber el estado de mi pedido asociado al correo usuario@empresa.com."
Pro Execution Tip:Set PostgreSQL user permissions to READ ONLY to prevent accidental modifications to production tables.
>_
Intermediate10 minProgramming & CLI

Mastering Claude Code in the Terminal: Step-by-Step Guide

How to install and use the Anthropic CLI agent to refactor entire projects from your console.

Advanced15 minAgents & SDKs

Creating Multi-Agent Systems with Google Antigravity SDK

Design autonomous systems in Python where multiple agents collaborate using Gemini 3.8 Flash.

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Beginner5 minOpen Source & LLMs

Local Deployment of Nous Hermes 3 with Ollama

Run Nous Research's open reasoning model on your own machine with zero API costs.

Beginner8 minEducation & Study

Advanced Academic Research: NotebookLM + Perplexity

How to process 50+ scientific papers and generate executive summaries in synthetic audio in 15 minutes.

Intermediate12 minAutomation & Agents

Automate Your First AI Flow with n8n: From Zero to Production

Build a flow that classifies incoming emails with AI and routes them automatically, without writing backend code.

Intermediate10 minProgramming & CLI

Cursor Composer: Build a Full Multi-File Feature with AI

Use Cursor's Composer mode to create a feature touching frontend, backend, and types in a single prompt.

Beginner7 minPrompt Engineering

Prompt Engineering Fundamentals: The Structure That Works With Any Model

Learn the role, context, task, and format skeleton that improves results on Claude, GPT, and Gemini alike.

Advanced18 minAgents & SDKs

Build Your First RAG Pipeline in Python with Embeddings and Claude

Connect your own documents to an AI model for answers based on your information, not its trained memory.

Intermediate14 minImage & Video Generation

From Prompt to Video Ad: Midjourney + Runway + ElevenLabs Pipeline

Produce a short 15-second advertising piece combining three generative tools, without a camera or studio.

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