Coding Crash Courses - Videos
Back to Channel
How to Vibecode Without Writing Garbage (Senior Dev Workflow) - With Claude Code
Everyone's vibecoding. Most people are doing it wrong. "AI replaces all developers" vs "AI is completely useless" — both camps are wrong. They're missing a process. 10+ years in software developmen...
A2A Agents a Shared Memory - Extensions Done Right
Multiple agents, one conversation – but A2A has no shared state. In this video I build a Shared History Extension: from the AgentCard declaration to message metadata to an external History Store. A...
The A2A SDK Is Too Complex - So I Fixed It (From 132 to 5 Lines of code)
Google's A2A protocol is powerful but the official SDK needs 80+ lines just to get started. I built agentserve to bring that down to 5. Here's how. In this video you will learn about: Motivation be...
LangGraph - Custom Streaming is AWESOME (+A2A Integration)
Standard API calls aren't enough when building complex AI agents that need to feel fast and responsive. In this video, I build a custom A2A (Asynchronous Architecture) Server where the LangGraph en...
RAGstein Files: Chat with the Island Documents
Vector databases alone aren't enough when dealing with thousands of pages of messy, scanned court documents. In this video, I build "Project RAGstein"- a custom Hybrid RAG system designed to chat ...
LangFlow just became even more AWESOME - LangFlow 1.7 is here!
LangFlow 1.7 is finally here, and it ships with a highly requested feature: Global Context Passing via API! 🚀 Before this update, passing data to components meant using "tweaks" and relying on spe...
MCP Servers Made Easy: The New LangChain-Toolbox Package 🚀
In this video, I show you a really interesting new package in the LangChain ecosystem: the LangChain-Toolbox! If you work with AI Agents, you know the struggle: defining tools inside every codebase...
DeepAgents in Production - The Architecture You Are Missing
Most AI tutorials leave you with a terminal script. But how do you connect the deepagents package to a real User Interface that your customers can actually use? In this video, I’m breaking down th...
Building Deep SQL Agents with the deep_agents package
In this video, I walk you through how to build Deep SQL Agents using the deep_agents package. We explore a powerful architecture where subagents function as tools, enabling a main orchestrator to i...
The Ultimate Power Duo: Python Simplicity + Rust Performance 💪
Code: https://github.com/Coding-Crashkurse/Python-Rust Python is fantastic, easy to learn, and extremely versatile. But let's be honest: Sometimes it's just too slow for the really heavy lifting. ...
The Ultimate Python Workflow 2025: UV & Ruff Crash Course
Is your Python workflow feeling slow? It's time to upgrade. In this crash course, we are ditching the legacy tools and setting up the ultimate modern Python development environment using UV and Ruf...
My year 2025 - No more tutorials 2026?
If you’d like to support my work, you can check out my Udemy course. Model Context Protocol: https://www.udemy.com/course/mastering-model-context-protocol-mcp-a-practical-guide/?couponCode=25A0C3F...
Stop Asking LLMs for Confidence Scores (Do this instead)
When your manager asks: "How confident is the AI?", don't be tempted to just ask the model for a score from 0-100%. It's a trap. These numbers are often just hallucinated text, not real mathematic...
Deep Agents Tutorial: Building Hierarchical AI Systems in Python
Why do most AI agents fail at long, complex tasks? It's not the model—it's the architecture. In this video, we go under the hood of the `deepagents` framework (built on LangChain & LangGraph) to un...
Dynamic Agent Cards: How to Build "Self-Aware" Agents (RAPTOR + A2A)
📽️ PREREQUISITES (Watch these first): • Raptor Introduction: https://youtu.be/zfHQSr_s9PM • A2A Protocol: https://youtu.be/4rbh2XfLCdM Code: https://github.com/Coding-Crashkurse/Raptor-Basics Mos...
Stop Fighting Over AI Models (The Gemini 3.0 Chaos)
Gemini 3.0 is out, and once again, the internet has lost the plot. We are seeing the same cycle repeat itself: half the timeline claims "it's over," and the other half claims it's "trash." In this...
Langflow Crash Course – Build LLM Apps without Coding (Postgres + Langfuse Setup)
Build powerful LLM-based applications without writing a single line of frontend code. In this video we take a deep dive into Langflow, my favorite low-code platform for building AI agents and work...
LangChain & LangGraph 1.0 — Finally Ready for Production?
My courses incl. Coupon Codes: Learn MCP: https://www.udemy.com/course/mastering-model-context-protocol-mcp-a-practical-guide/?couponCode=B5059DA182120238A0FA Learn LangGraph: https://www.udemy.co...
LangChain 1.0 Just Took a Huge Leap Forward
LangChain 1.0 is finally here! 🚀 In this video, we’ll explore what’s new in LangChain 1.0 — the biggest update since its initial release. You’ll get a quick overview of the most important new featu...
Does AI coding make you stupid? My perspective as a senior engineer.
I’m convinced that AI tools don’t make you worse – they just show you where you really stand. This video isn’t a praise piece for ChatGPT – it’s a realistic look at what actually happens when you u...
AI in Gaming - How LLMs can give NPCs a real personality
Code: https://github.com/Coding-Crashkurse/Pygame-Voice-Interaction Imagine NPCs that truly react to you – not with the same three dialogue lines, but with real intelligence. In this video, I’ll s...
Agentic Coding with GPT-5 Codex: A Complete Introduction
In this video, I introduce Agentic Coding with GPT-5 Codex. You’ll learn how to set it up, configure it to your needs, and make the most of its capabilities. Based on my hands-on experience over th...
Elicitation Explained – The New Feature in the Model Context Protocol (MCP)
Get my MCP Udemy Course with Promo Code: https://www.udemy.com/course/mastering-model-context-protocol-mcp-a-practical-guide/?couponCode=E44065E3F577222ACCD5 Code: https://github.com/Coding-Crashku...
A2A Checker & Controlplane – Validate and Manage Your A2A Agents
Code: https://github.com/Coding-Crashkurse/A2A-CLI In this video, I show you how the A2A Checker and the A2A Controlplane make A2A development much easier. The CLI tool a2a-check validates your A2...
A2A Showdown: python-a2a vs a2a-sdk vs FastA2A – Which One Wins?
Which A2A library should you use in Python? In this video I compare python-a2a, a2a-sdk, and FastA2A – looking at architecture, features, and real-world use cases. 👉 You’ll learn which one is best...
MONKEYPATCHING - Safe Hooks for LangChain Runnables
Explore how to monkey patch LangChain Runnables for instant observability and runtime control. This high-level demo spins up a FastAPI server with a prebuilt React UI, then patches Runnable calls t...
OpenAI Just Unleashed GPT‑5 – What You NEED to Know!
OpenAI just released the long-awaited new model: GPT-5. In this video, you'll get a quick and clear overview of what GPT-5 is capable of. We cover: – The bold claims made by OpenAI – First benchma...
GPT‑5 LEAK: It’s More Impressive Than Expected
It looks like GPT‑5 might have been accidentally leaked — and we got a chance to try it. In this video, I’ll show you what happened when I tested the leaked model and how it compares to GPT‑4. Spoi...
A2A's Game-Changer: How Stateless Messages Simplify AI Agent Communication
👇 Resources & Code - Source Code on GitHub: https://github.com/Coding-Crashkurse/A2A-Stateless-Message - Official A2A Protocol Specification: https://a2a-project.github.io/a2a-spec/ The Agent-to-A...
A2A (Agent-to-Agent Protocol) in 5 Min: How modern Chatbots communicate
Need to wire bots together—minus the spaghetti code? In just five fast minutes, this mini‑masterclass shows you how the Agent‑to‑Agent (A2A) Protocol lets completely independent agents discover eac...
PydanticAI + A2A - Create A2A ready Agents FAST!
In this video I show you how to use PydanticAI to create A2A ready agents with a single function. Spoiler: The idea is great, but there are still some issues! But in general it´s worth looking at ...
PROMOVIDEO - NEW UDEMY COURSE: Mastering Model Context Protocol (MCP): A Practical Guide
I just released my new Udemy course about the Model Context Protocol. Hope you enjoy it :-) Promocode: https://www.udemy.com/course/mastering-model-context-protocol-mcp-a-practical-guide/?couponCod...
ROADMAP - Personal Video about YouTube, Udemy (and Money)
In this video, I share the reasoning behind what I teach, what I intentionally leave out, and why. I also introduce the beta status of my upcoming MCP Udemy course. Your feedback is highly welcome!...
OpenAI & MCP - Native MCP Integration for Responses API NOW!
In this video, I walk you through the new native MCP integration in OpenAI's Responses API. You'll see how to use remote MCP servers, image generation, and the Code Interpreter directly in your age...
Model Context Protocol - Stateless MCP Servers with Streamable HTTP - Why this is BIG!
In this video, you will learn: Stateless and Stateful MCP Servers: Understand the differences and how to set up both types of MCP servers. We'll discuss why stateless is ideal for many common use c...
Smarter RAG Indexing – How to Keep Your Vectorstore Clean
In this video, I show you a simple but powerful approach to keep your vectorstores clean, fast, and cost-efficient for Retrieval-Augmented Generation (RAG) applications. You'll learn: Why indexing ...
A2A + MCP = Next-Level Agent Communication
In this video, you'll learn how combining Agent-to-Agent (A2A) interactions with Model-Context-Protocol (MCP) leads to more efficient, context-aware agents. My courses: LangGraph in Action: https:/...
Advanced RAG: Highlighting Retrieved Text in PDFs
In this video you will learn how to highlight retrieved text of chunks in the original documents. Code: https://github.com/Coding-Crashkurse/LangGraph-Tutorial/blob/main/highlight_rag.ipynb
GAMECHANGER for personalized AI Agents - LangMem
Want AI agents that actually remember you? LangMem makes it easy! Quickly personalize your AI interactions by storing context and memories effortlessly. Github: https://github.com/Coding-Crashkurs...
LangGraph BigTool – How to Easily Connect Multiple Tools to Your MCP Agents
Learn how to seamlessly integrate and manage numerous tools in your LangGraph agents. In this tutorial, we'll connect multiple tools using LangGraph BigTool, enhancing your agents' abilities to dyn...
Responses API - the BEST API for Agents?
OpenAI released their new responses API - the recommended way to build chatbots, agents and more - in favor of the more traditional completions API. What is the responses API about? It is worth the...
MCP (Model Context Protocol) in Production: Containerizing Your Servers and Clients
Learn how to package your MCP servers and clients into Docker containers for a smoother, more scalable production setup. We’ll walk through Docker Compose configurations, environment variables, and...
Model Context Protocol (MCP): The Future of AI Tool Integration
In this video, we explore Anthropic’s Model Context Protocol (MCP) and how it revolutionizes the way AI-driven applications connect to external tools and data sources. You’ll learn: What MCP is an...
Build Cross-Platform AI with LangGraph: Building AI Based Flutter Apps
Learn how to harness the power of LangGraph to create AI-driven Flutter apps for iOS, Android, and the web—from setup to your first intelligent assistant. Flutter install: https://docs.flutter.dev...
Claude Sonnet 3.7 Reasoning Agent with LangGraph
Claude 3.7 Sonnet introduces Anthropic's first "reasoning" mode, featuring an extended thinking capability. In this guide, I demonstrate how to leverage the model effectively, configure the number ...
Observer Pattern Meets RAG: Creating Adaptive Vector Stores
In this video, I’ll demonstrate how to integrate the Observer Pattern with Retrieval-Augmented Generation (RAG) to create adaptive vector stores. You’ll learn how dynamic tool-calling handles multi...
LangGraph Multi-Agent Supervisor - build high level Agents FAST
In this video I will show you a quick demo of the LangGraph Multi-Agent Supervisor Library built by the LangChain team. Code: https://github.com/Coding-Crashkurse/LangGraph-Tutorial/blob/main/agen...
Deploy Your Own AI Chatbot (DeepSeek-r1): Angular + FastAPI + Postgres + Ollama
In this video, I’ll show you how to build a production-grade, full-stack chatbot application using LangGraph, FastAPI, Postgres, and Ollama. We’ll use DeepSeek-R1 as our LLM and deploy everything o...
OpenAI o3-(mini) is out - DeepSeek-R1 killer or not?
OpenAI released o3... well at least o3-mini. How good is it? Is it DeepSeek-r1 killer? Is it an OpenAI o1 killer? How competive is the pricing. Get a first overview in this video Timestamps: 0:00 ...
DeepSeek-R1 with LangGraph - OpenSource Fallback Mechanism
In this Video you learn the following: - How to use DeepSeek with Ollama - How to integrate it into LangGraph - How to switch from openai to open source model dynamically - and more :) Code: http...