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AI Agent Development

AI Agent Development Using LangGraph (feat. MCP)

LangGraph, packed with a major corporation's AI Agent lead's know-how. We deliver knowledge gained from real-world challenges.

(5.0) 80 reviews

1,241 learners

  • jasonkang
ai활용
에이전트
prompt engineering
LLM
AI Agent
LangGraph
Model Context Protocol

Reviews from Early Learners

What you will learn!

  • LLM Agent

  • LLM

  • Prompt Engineering

  • Retrieval Augmented Generation(RAG)

  • AI Agent

LLM Agent Development!
Easier and more powerful with LangGraph



LLM agents play a key role in understanding user needs, automating complex tasks, and solving problems. However, the process of designing and implementing agents is structurally complex and involves many repetitive tasks, making it difficult. LangGraph simplifies this process, helping you develop powerful LLM agents efficiently.


The theory is compact
Debugging and optimization like in real life

Only the key points from the extensive official documentation!

The official LangGraph documentation is extensive, but the information you need is limited. We have prepared a curriculum centered on key concepts selected directly from the experience of field engineers .

Just as it is used in the field!

We will show you the process of writing and debugging prompts without editing. Through the lecture, you can experience how real engineers solve errors and optimize prompts .

I recommend this to these people

Developers with LangChain experience

If you have experienced the limitations of LangChain, this lecture will give you wings to develop agents.

Developers who are curious about LLM Agent

Industry experts tell you about Agentic AI, as mentioned by NVIDIA's Jensen Huang at CES 2025

Technology Entrepreneurs and Startup Team

If you want to develop AI-based products or services, you can learn the latest techniques in agent development.

After class

  • Understand the Differences Between LangGraph and LangChain: Understand the structural differences and how the two frameworks are utilized, so you can choose the tool that is best for your project.

  • Agent Design and Implementation: You can design various agents such as Retrieval Agent, Self-RAG, Corrective RAG, etc. and automate workflows.

  • Composing complex workflows: You can design workflows that efficiently process complex tasks by utilizing the Multi-Agent system and RouteLLM.

  • Tooling Capabilities: You can leverage various tools within LangGraph to extend the agent's capabilities and enhance its problem-solving capabilities.


Learn about these things

1⃣ Prompt Engineering Strategy

Even if it performs the same function, you should write the prompt differently depending on the model you use. LangGraph's PromptTemplate and
Learn how to write context-sensitive prompts efficiently using ChatPromptTemplate .

2⃣ LLM Agent Optimization Tips

Instead of using expensive advanced models like gpt-4o , it is more efficient to break down the work into smaller chunks and repeatedly use lightweight models like gpt-4o-mini . Learn how to optimize cost and performance by breaking down prompts into smaller chunks.

3⃣ Everything about using LangGraph tools

You will learn how to use LangChain’s basic tools, as well as how to develop custom tools for agents to use directly as needed to extend their functionality. You can also design a human-in-the-loop system to implement more reliable agents.

Who created this course

  • (Current) GS Group GenAI Platform Development and Operation

  • (Former) Series C Medical AI Startup Tech Lead

  • (Former) Navigation Plus AI Course Coach

It contains know-how gained through GS Group Hackathon coaching and developing/operating various field projects.

Do you have any questions?

Q. What is the difference between LangChain and LangGraph?

LangChain mainly connects tasks in a chain form, while LangGraph can construct more complex workflows using a graph structure. LangGraph supports various agent tasks through flexible node connections.

Q. I am new to LangChain. Can I still take the course?

If you have experience using Python, you will have no problem taking the course, but if you are not familiar with LangChain syntax, it may be difficult to understand.

If you are new to LangChain, I recommend the instructor's beginner's course.

Q. What should I do if there is something I don't understand during class?

If you have any questions during the course, please post them on Inflearn Q&A at any time! We will respond as quickly as possible.
We will update the lecture with additional filming as needed.

Things to note before taking the class

Practice environment

  • Operating System and Version (OS): MacOS

    • If you have an environment that can run Python, you can follow the lecture regardless of the operating system, such as Windows or Linux.

  • Tools used:

    • All live coding takes place in a Notebook environment.

    • There is no editor that I particularly recommend, but I use Cursor in my lectures.

Learning Materials

  • The source code of the notebooks used in the lecture is provided as a GitHub repository .

    • The lecture video includes additional explanations through "annotations" and "Markdown" that are not included in the lecture video.

  • Provides a Notion page for theoretical explanation

Player Knowledge and Notes

  • Essential Knowledge: Python

  • Selected Knowledge: LangChain

    • This course is an intermediate course targeting those with LangChain experience.

Recommended for
these people

Who is this course right for?

  • Developer interested in LLM

  • Developer deploying/operating LLM Applications

  • Developer who wants to advance LLM Applications

Need to know before starting?

  • Python

Hello
This is

12,551

Learners

682

Reviews

373

Answers

4.9

Rating

9

Courses

Curriculum

All

28 lectures ∙ (6hr 20min)

Published: 
Last updated: 

Reviews

All

80 reviews

5.0

80 reviews

  • johnsonmoshy6님의 프로필 이미지
    johnsonmoshy6

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    This is an excellent hands-on lecture! You explained complex topics like LangGraph, MCP, and RAG in an easy-to-understand way, making it simple to grasp and immediately applicable to real work. The instructor's explanations were really clear and beneficial. I highly recommend it!

    • 강병진
      Instructor

      Thank you so much for the kind words! I'm glad to hear the lecture was helpful. I train other engineers how to use LangGraph and build AI agents in real-world projects at work, and I believe those hands-on experiences naturally carried over into this lecture. It's great to know that practical background helped make the concepts more accessible and applicable.

  • 이성규님의 프로필 이미지
    이성규

    Reviews 6

    Average Rating 5.0

    Edited

    5

    100% enrolled

    랭체인 기본기부터 시작해서 RAG강의까지 쭉 도움을 너무 많이 받아서 랭그래프도 이어서 수강하였습니다. 실무에서 바로 쓰일 수 있을 내용들을 퀄리티 좋게 너무 잘 풀어서 설명해주십니다. 책 출판 계획이라고 강의에서 언급해주셨는데, 출판되면 꼭 커뮤니티같은곳에 언급해주셨으면합니다. 구입의사있습니다.

    • 강병진
      Instructor

      와, 정말 감동적인 수강평이네요! 🥹🙏 제 강의가 실무에 바로 적용될 수 있도록 준비한 만큼, 이렇게 좋은 피드백을 받으니 보람이 넘칩니다. 랭체인부터 랭그래프까지 함께해 주셨다니, 정말 감사드립니다! 책 출간도 열심히 준비 중인데, 꼭 커뮤니티에 소식 전해드릴게요! 이렇게 관심 가져주시는 것 자체가 저에게 큰 힘이 됩니다. 앞으로도 도움이 되는 강의와 콘텐츠로 보답하겠습니다. 진심 어린 후기 남겨주셔서 다시 한번 감사드립니다!

  • sghong님의 프로필 이미지
    sghong

    Reviews 3

    Average Rating 5.0

    5

    32% enrolled

    • 장덕교님의 프로필 이미지
      장덕교

      Reviews 2

      Average Rating 4.5

      5

      61% enrolled

      • ChangHwan Jang님의 프로필 이미지
        ChangHwan Jang

        Reviews 5

        Average Rating 5.0

        5

        100% enrolled

        [ 강의 구성] - 교과서적이기 보다 실무에서 경험한 이슈해결에 대한 노하우를 전수해주시는 것 같아서 좋았음 - LLM Application을 아직 개발한 경험은 없지만 강의를 보고 바로 아이디어가 떠오를 정도로 충분한 검토가 되어 있음 - 하나의 강의로 모든 것을 얻을 수 없다는 것을 감안하면 병진님의 로드맵을 따라가다 보면 어느 순간에 LLM Application 개발에 자신감이 붙을 수 있는 구성으로 강의가 진행됨 [ 강의 방식] - 호불호가 있을 수 있지만 정말 귀에 쏙쏙 들어오고 이해가 되는 설명을 해주셔서 따라가다 보면 가능할 수 있는 자신감 상승 - 그냥 지나칠 수 있는 항목에 대해서도 상세한 예시를 통해 코드와 아키텍처를 한번에 이해할 수 있었음 - 무엇보다 해당 분야의 실무를 병행하고 이 분야의 클래스에 대한 자부심으로 수강생 입장에서도 함께 자신감이 상승하는 효과 [ 총평 ] - 생성형 AI 사용만으로는 부족하고 내부 정보를 외부 클라우드에 업로드 되는 것에 대한 보안 강화를 위해서는 반드시 LLM Application을 자체 개발해야 할 것으로 판단되는데, 이 로드맵 강의를 모두 수강하면 어느 정도 수준에 도달할 것으로 확신합니다. ^^ - 지속적으로 강의가 출시되면 무조건 수강할 것으로 생각됩니다. - 온라인 강의 외에도 오프라인 세션도 해주시면 좋겠습니다. 화이팅입니다. ^^

        • 강병진
          Instructor

          완강하시고 세심하고 디테일한 수강평 감사합니다! 앞으로도 도움되는 강의를 많이 준비해 보겠습니다 🙇‍♂️

      $53.90

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