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LangChain with TypeScript - LLM & RAG Introduction

TypeScript LangChain Basics: From LLM Essentials to RAG

(4.9) 29 reviews

1,105 learners

Level Beginner

Course period Unlimited

LangChain
LangChain
LLM
LLM
prompt engineering
prompt engineering
openAI API
openAI API
LangChain
LangChain
LLM
LLM
prompt engineering
prompt engineering
openAI API
openAI API
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Reviews from Early Learners

4.9

5.0

최경선

100% enrolled

It was a great opportunity to get a sense of the general flow.

5.0

hj rr

100% enrolled

Although it's a free lecture, the quality is quite good. It explains LLM-based concepts very well.

5.0

yjcho1014

100% enrolled

This is a beneficial lecture.

What you will gain after the course

  • Learn concepts you should know when using Large Language Models.

  • Learn key prompt engineering techniques and practice using LangChain through hands-on exercises.

  • Covers developing a simple RAG application and utilizing LangSmith.

  • You can start building an LLM system with TypeScript.

Starting with TypeScript, LangChain, essential concepts for utilizing LLM, and RAG!

This course is an introductory course for those who are learning LangChain for the first time using TypeScript .

  • For those who want to introduce LLM into their services ,

  • Covering LLM, Prompt Engineering , LangChain, RAG, LangSmith , etc.

  • We'll help you get started building your LLM-based system with a simple hands-on exercise .

Anyone with basic programming experience can join and take the first steps toward building an LLM system with TypeScript .


※ [guide]

  • This lecture was created based on a lecture released on the YouTube channel Agent Minsu .

    If you want to see more hands-on videos and in-depth content, subscribe to the channel and don't miss out on new AI and LangChain content!

  • We also run a LinkedIn group , Microsoft AI Agent Korea User Group .

Things to note before taking the class

Practice environment

  • The course was conducted in a macOS environment, but it can be learned in any environment that supports TypeScript development (Windows, Linux, etc.).

  • VSCode

Learning Materials

Recommended for
these people

Who is this course right for?

  • Those who want to introduce LLM into service

  • Those who want to learn introductory concepts and gradually master them through practice

Need to know before starting?

  • Someone with experience using one or more programming languages

Hello
This is ivybae

1,105

Learners

29

Reviews

13

Answers

4.9

Rating

1

Course

CEO of One Million Lines Coding

After successfully transitioning my career from a math instructor to a developer, I began teaching development at the NAVER Connect Foundation Boostcamp while working as an Android developer. Currently, I have founded One Million Lines Coding and am nurturing future developers through lectures and mentoring at various educational institutions.

Teaching Experience

  • Naver Boostcamp Android and AI Education (2021–Present)

  • YouTube Channel: Agent Minsu

  • LinkedIn Group Management: Microsoft AI Agent Korea User Group

  • Technical reviewer for the book *Building ChatGPT and LLM Systems Quickly and Easily with Azure OpenAI* (2025, J-Pub)

  • (Former) Boot camp instruction and operations at Hyundai Motor Company, Woowa Tech Camp, Modulabs, CodeSquad, Wanted, etc.

Developer Experience

  • Kakao Entertainment

  • ProtoPie

  • NBT

More

Curriculum

All

13 lectures ∙ (4hr 34min)

Published: 
Last updated: 

Reviews

All

29 reviews

4.9

29 reviews

  • yjcho10148749님의 프로필 이미지
    yjcho10148749

    Reviews 10

    Average Rating 5.0

    5

    100% enrolled

    This is a beneficial lecture.

    • jdy8739님의 프로필 이미지
      jdy8739

      Reviews 18

      Average Rating 4.9

      5

      100% enrolled

      Although it's a free lecture, the quality is quite good. It explains LLM-based concepts very well.

      • unco님의 프로필 이미지
        unco

        Reviews 3

        Average Rating 4.7

        5

        31% enrolled

        I'm following along while installing the modules. This is a lecture with good explanations~

        • abjy88님의 프로필 이미지
          abjy88

          Reviews 24

          Average Rating 5.0

          5

          100% enrolled

          Thank you for the lecture~

          • okgogg님의 프로필 이미지
            okgogg

            Reviews 4

            Average Rating 5.0

            5

            100% enrolled

            It was a great opportunity to get a sense of the general flow.

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