> 🎉 **Join our new official Discord community!** Connect with other LangChain Go developers, get help and contribute: [Join Discord](https://discord.gg/t9UbBQs2rG)

# 🦜️🔗 LangChain Go

[![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/tmc/langchaingo)
[![scorecard](https://goreportcard.com/badge/github.com/tmc/langchaingo)](https://goreportcard.com/report/github.com/tmc/langchaingo)
[![](https://dcbadge.vercel.app/api/server/t9UbBQs2rG?compact=true&style=flat)](https://discord.gg/t9UbBQs2rG)
[![Open in Dev Containers](https://img.shields.io/static/v1?label=Dev%20Containers&message=Open&color=blue&logo=visualstudiocode)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/tmc/langchaingo)
[<img src="https://github.com/codespaces/badge.svg" title="Open in Github Codespace" width="150" height="20">](https://codespaces.new/tmc/langchaingo)

⚡ Building applications with LLMs through composability, with Go! ⚡

## 🤔 What is this?

This is the Go language implementation of [LangChain](https://github.com/langchain-ai/langchain).

## 📖 Documentation

- [Documentation Site](https://tmc.github.io/langchaingo/docs/)
- [API Reference](https://pkg.go.dev/github.com/tmc/langchaingo)


## 🎉 Examples

See [./examples](./examples) for example usage.

```go
package main

import (
  "context"
  "fmt"
  "log"

  "github.com/tmc/langchaingo/llms"
  "github.com/tmc/langchaingo/llms/openai"
)

func main() {
  ctx := context.Background()
  llm, err := openai.New()
  if err != nil {
    log.Fatal(err)
  }
  prompt := "What would be a good company name for a company that makes colorful socks?"
  completion, err := llms.GenerateFromSinglePrompt(ctx, llm, prompt)
  if err != nil {
    log.Fatal(err)
  }
  fmt.Println(completion)
}
```

```shell
$ go run .
Socktastic
```

# Resources

Join the Discord server for support and discussions: [Join Discord](https://discord.gg/8bHGKzHBkM)

Here are some links to blog posts and articles on using Langchain Go:

- [Using Gemini models in Go with LangChainGo](https://eli.thegreenplace.net/2024/using-gemini-models-in-go-with-langchaingo/) - Jan 2024
- [Using Ollama with LangChainGo](https://eli.thegreenplace.net/2023/using-ollama-with-langchaingo/) - Nov 2023
- [Creating a simple ChatGPT clone with Go](https://sausheong.com/creating-a-simple-chatgpt-clone-with-go-c40b4bec9267?sk=53a2bcf4ce3b0cfae1a4c26897c0deb0) - Aug 2023
- [Creating a ChatGPT Clone that Runs on Your Laptop with Go](https://sausheong.com/creating-a-chatgpt-clone-that-runs-on-your-laptop-with-go-bf9d41f1cf88?sk=05dc67b60fdac6effb1aca84dd2d654e) - Aug 2023


# Contributors

There is a momentum for moving the development of langchaingo to a more community effort, if you are interested in being a maintainer or you are a contributor please join our [Discord](https://discord.gg/8bHGKzHBkM) and let us know.

<a href="https://github.com/tmc/langchaingo/graphs/contributors">
  <img src="https://contrib.rocks/image?repo=tmc/langchaingo" />
</a>


Introducing Socket Firewall: Free, Proactive Protection for Your Software Supply Chain

github.com/0xDezzy/langchaingo

langchaingo

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Ambiguous License Classifier

Source files are encoded using a non-standard text encoding.

What is bad text encoding?

Bad text encoding

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Bad semver

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Bad dependency semver

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Bidirectional unicode control characters

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Bin script confusion

This Chrome extension includes content scripts that execute JavaScript on specified websites.

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Chrome Extension Content Script

This Chrome extension requests host permissions to access specific websites or domains.

What are Chrome extension host permissions?

Chrome Extension Host Permission

This Chrome extension requests permissions to access browser APIs, user data, or system features.

What are Chrome extension permissions?

Chrome Extension Permission

This Chrome extension requests wildcard host permissions that grant broad access to websites.

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Chrome Extension Wildcard Host Permission

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What is a chronological version anomaly?

Chronological version anomaly

Project maintainer's SSH key has been compromised.

What is a compromised SSH key?

Compromised SSH key

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Copyleft License

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Title

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github.com/0xDezzy/langchaingo

🦜️🔗 LangChain Go

🤔 What is this?

📖 Documentation

🎉 Examples

Resources

Contributors

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