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langchain-mini

(★ 256)

🦜️🔗 This is a very simple re-implementation of LangChain, in ~100 lines of code

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최종 버전 다운로드 (.zip)

.gitignore
index.mjs
LICENSE
merge.txt
package-lock.json
package.json
prompt.txt
README.md

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/ColinEberhardt/langchain-mini

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd langchain-mini

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

npm install

package.json에 명시된 라이브러리들을 내려받아 설치합니다.

npm start

개발/실행 서버를 켭니다.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

// repository documentation

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# 🦜️🔗 LangChain-mini

This is a very simple re-implementation of [LangChain](https://github.com/hwchase17/langchain), in ~100 lines of code. In essence, it is an LLM (GPT-3.5) powered chat application that is able to use tools (Google search and a calculator) in order to hold conversations and answer questions.

Here's an example:

~~~
Q: What is the world record for solving a rubiks cube?
The world record for solving a Rubik's Cube is 4.69 seconds, held by Yiheng Wang (China).
Q: Can a robot solve it faster?
The fastest time a robot has solved a Rubik's Cube is 0.637 seconds.
Q: Who made this robot?
Infineon created the robot that solved a Rubik's Cube in 0.637 seconds.
Q: What time would an average human expect for solving?
It takes the average person about three hours to solve a Rubik's cube for the first time.
~~~

This is not intended to be a replacement for LangChain, instead it was built for fun and educational purposes. If you're interested in how LangChain, and similar tools work, this is a good starting point.

For more information about this project, read the accompanying blogpost - [Re-implementing LangChain in 100 lines of code](https://blog.scottlogic.com/2023/05/04/langchain-mini.html)

## Running / developing

Install dependencies, and run (with node >= v18):

~~~
% npm install
~~~

You'll need to have both an OpenAI and SerpApi keys. These can be supplied to the application via a `.env` file:

~~~
OPENAI_API_KEY="..."
SERPAPI_API_KEY="..."
~~~

You can now run the chain:

~~~
% node index.mjs
How can I help? what was the name of the first man on the moon?
Neil Armstrong
~~~