Building AI-Powered Apps

Building Reliable Data Extractors Using Apify’s Crawlee (Python SDK) for Automated Web Unblocking – [Building GenAI Apps #11]

Learn with a practical project: build a ProductHunt.com daily-top-products data pipeline.

Sep 18 •

Samuel Theophilus

Open-Source LLM Monitoring, Tracing & Evaluation with Arize Phoenix – [Building GenAI Apps #10]

A practical guide to logging, debugging, and agent performance optimization

Sep 5 •

Samuel Theophilus

Text-to-Graph AI Agent for Analysis & Insights (LLM + Pandas + Plotly + Uber Data) – [Building GenAI Apps #9]

CSV Upload → Ask Question → LLM (Analyze & Profile Data) → Answer (Generate Chart)

Aug 25 •

Samuel Theophilus

Building GenAI Apps #8: Model Context Protocol (MCP) Explained – See It in Action

The REST API for AI — a universal way to connect models to powerful tools and data.

Aug 10 •

Samuel Theophilus

Building GenAI Apps #7: Comprehensive Guide to LLM Function and Tool Calling with the OpenAI API

All you need to know about LLM JSON parsing, function calling, and tools (MCP, web search & more).

Jul 30 •

Samuel Theophilus

Building GenAI Apps #6: Evaluating LLM Applications with DeepEval (Metrics, Methodologies, Best Practices)

LLM-as-a-Judge: A Guide to Effective LLM Evaluation with DeepEval

Jul 12 •

Samuel Theophilus

Building GenAI Apps #5: Build a RAG Application with MongoDB Atlas Vector Search, LangChain, and OpenAI

Say you are planning a trip and ask an LLM chatbot, "How do I get from New York to London?" It cheerfully replies, "Hop on a giant turtle—it’s a scenic…

Jun 29 •

Samuel Theophilus

Building GenAI Apps #4: Create Your First Real-Time AI Voice Agent with LiveKit, OpenAI, and ElevenLabs

It’s 2 AM, and a customer dials your support line with a pressing question about your product.

Jun 22 •

Samuel Theophilus

Automating AI Deployment for Self-Hosted Projects with Coolify.io for Free (PART 1)

Take your AI projects to the next level with CI/CD pipelines and self-hosting tools like Coolify.

Jun 13 •

Samuel Theophilus

Building GenAI Apps #3: How to Create AI Apps That Outsmart Prompt Injection Attacks by Design

Prompt Injection Attacks Explained: The #1 GenAI Security Risk—and How to Defend Against It

Jun 7 •

Samuel Theophilus

Building GenAI Apps #2: Create an AI Math Tutor Chatbot with FastAPI, Jinja2 & KaTeX (Native HTML + CSS)

AI developers, here’s a secret: you don’t need to abandon your Python dev-stack to build production-ready MVP applications.

May 31 •

Samuel Theophilus

Building GenAI Apps #1: Unlock OCR and Table Data from Images, PDFs, and Webpages with Tesseract, Pandas and Unstructured

No More Manual Data Entry: Extract Text & Tables Like a Pro with Python

May 23 •

Samuel Theophilus

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