GrabDuck!

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Hi, I’m Evgeny, a freelance software engineer passionate about solving complex problems with technologies like Java, Kotlin, Spring Boot, TypeScript, Python,...

Latest Videos

LangChain 1.0 – Turn MCP Servers into Code and Skills for AI Agents

LangChain 1 0 – Move AI Agents from MCP Servers to CLI Tools with Skills

LangChain 1 0 – Skills and Progressive Disclosure for AI Agents

LangChain 1.0 Unpacked – Protect User Data in AI Agents with PII Redaction Middleware

LangChain 1 0 Unpacked – Limit Model Calls in AI Agents with Model Call Limit Middleware

LangChain 1.0 Unpacked – Summarization Middleware for AI Agents

LangChain 1.0 Unpacked – Build AI Agents with the New Middleware and and Human-in-the-Loop Controls

LangGraph Advanced – Standardize Human in the Loop Workflows in AI Agents with Unified HITL Format

Google ADK - Building a Java AI Agent with Google ADK – Demo Using LLM + Web Search Tool

LangGraph with FastAPI – Build and Run ReAct AI Agents with MCP Tools inside FastAPI Applications

LangGraph Advanced – Add Human in the Loop Control Directly to Tools in AI Agent Workflows

LangGraph Advanced – Let AI Agents Ask Humans Build Dynamic Human-in-the-Loop Workflows

LangGraph Advanced – Use LangGraph BigTool and Semantic Search to Manage Large Toolsets in AI Agents

LangGraph Advanced – Dynamically Select Tools in AI Agents for Cleaner and Smarter Workflows

LangGraph Advanced – Use MCP Servers in AI Agents with Supervisor Architecture

LangGraph Advanced – Build a Custom Supervisor in AI Multi Agent Systems from Scratch

LangGraph Advanced – Simplify Multi-Agent AI Systems with Supervisor-as-Tools Architecture

LangGraph Advanced – Build Hierarchical Multi Level Supervisor Architectures and Swarm AI Agents

LangGraph Advanced – Improve Multi Agent AI Systems with Custom Handoffs in Supervisor Architecture

LangGraph Advanced – Add Long Term Memory to Multi Agent AI Systems with Supervisor Architecture

LangGraph Advanced – Combine Supervisor Architecture with Human in the Loop in Multi Agent AI System

LangGraph Advanced – Build Multi Agent AI Systems with Supervisor Architecture

LangGraph Advanced – Use Dynamic Human in the Loop Interruption in Prebuilt AI Agents

LangGraph Advanced – Generate Structured Output in AI Agents Using Prebuilt LangGraph APIs

LangGraph Advanced – Build AI Agents with Dynamic Model Selection and Role Switching

LangGraph Advanced – Build AI Agents with Prebuilt Agents and Memory

LangGraph HITL – Upgrading FastAPI Feedback Loops with Token Streaming and SSE

LangGraph Intro – Using MCP Servers to Extend AI Agents with Dynamic Tooling in LangGraph

Testing Human in the Loop with LangGraph Example – Building a Fullstack Feedback Loop with FastAPI

Learn LangSmith Step by Step With This Simple Guide Customize Run Types for Better AI App Debug