LangBot - Instant Messaging Bot Development Platform
LangBot integration guide — build AI-powered chatbots for Feishu, DingTalk, Telegram, Discord, and more. Supports Knowledge Base, Agent, and MCP with CrowLLM.
LangBot is an open-source instant messaging bot development platform that supports various instant messaging platforms such as Feishu, DingTalk, WeChat, QQ, Telegram, Discord, Slack, etc. It integrates with mainstream global AI models, supports various AI application capabilities like Knowledge Base, Agent, MCP, and is perfectly compatible with CrowLLM.
- Official Website: https://langbot.app
- Download Address: https://github.com/langbot-app/LangBot/releases
- Official Documentation: https://docs.langbot.app
- Open Source Address: https://github.com/langbot-app/LangBot
Integrating CrowLLM
LangBot supports integrating with locally deployed CrowLLM and third-party CrowLLM services built using CrowLLM.
Usage
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Obtain an API key from CrowLLM

If CrowLLM is deployed locally, please configure the API address yourself (refer to Container Network Connection). If using a third-party CrowLLM service, you can copy the address from the page. Note that
/v1needs to be appended to the address. -
Add a model in LangBot, select CrowLLM as the provider, and fill in the corresponding API key and API address

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Select the model to use in the pipeline

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Use it by chatting in conversation debugging or by chatting with a bot bound to the pipeline


For deploying and configuring bots, please refer to Deploying Bots.
Using LangBot Knowledge Base
LangBot supports using CrowLLM's embedding models and utilizing them as vector models for the knowledge base.
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Add an embedding model in LangBot, select CrowLLM as the provider

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Select the embedding model when creating a new knowledge base

For more usage instructions, please refer to the LangBot official documentation: https://docs.langbot.app
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