LangBot

About LangBot

LangBot is an open-source instant messaging bot platform that supports integration with Feishu, DingTalk, QQ, WeChat, Discord, Telegram, and various other messaging platforms. It helps users handle tasks or act as part of a business workflow directly within these platforms.

In combination with the SiliconFlow large model API service, LangBot can integrate with various mainstream open-source large language models. Users can select the most appropriate model based on their specific scenario needs. The following is a complete configuration tutorial — just a few simple steps to get your own intelligent assistant.

Configuration Tutorial

Step 1: Obtain a SiliconFlow API Key

How to Get an API Key

1. Register and log in to SiliconFlow.

2. Navigate to the API Key page and generate a new API key.

Retrieve Model Information

Visit the Model Marketplace to view available models and detailed parameters.

Step 2: Deploy and Configure LangBot

Deploy LangBot Using Docker

For more deployment methods, refer to the documentation

Make sure Git and Docker are installed.

git clone https://github.com/langbot-app/LangBot  
cd LangBot
docker compose up -d

If you are using it in mainland China, you can replace the image in docker-compose.yaml with:

docker.langbot.app/langbot-public/rockchin/langbot:latest

Access the WebUI

After starting, visit:

http://127.0.0.1:5300

The first run will prompt you to create a configuration file. Follow the instructions to complete initialization.

Configure the Chat Model

1. Log in to the WebUI and navigate to the Model Configuration page.
2. Add a new model and fill in the following information:

You can find the model name in the title of the model details page on SiliconFlow.

Step 3: Connect to a Platform (Using DingTalk as an Example)

For more platforms like WeCom, Feishu, Discord, Telegram, QQ, WeChat, etc., refer to the LangBot Documentation

Create a DingTalk Bot App

1. Log in to the DingTalk Developer Console

2. Enter your organization, click App Development → Create App, and fill in the basic information.

3. Add the Bot capability, complete the basic settings, and publish the app.

Configure the Bot

• Under the Bot tab, fill in the relevant information and publish.

• In Version Management, configure the version number.

• In Event Subscriptions, choose Stream Mode (no public callback URL needed).
• In Credentials & Basic Info, note the following:
  • Client ID
  • Client Secret
  • RobotCode
  • Bot Name

Bind in the LangBot Platform

1. Open the LangBot WebUI and edit the bot.

2. Bind a pipeline (by default, ChatPipeline is available). Select DingTalk as the platform.

3. Edit the pipeline, choose Built-in Agent under AI capabilities, and select the previously configured model.

Step 4: Use the Bot

1. In DingTalk, search for the bot name and click to start chatting.

2. To use the bot in a group chat, go to the group settings, click Add Bot, and search for the bot name to add it.