Browse 6,328 n8n workflow templates in the Langchain category. These ready-to-use automations connect apps and services with n8n — no coding required. Click any workflow to explore its nodes and import it directly into n8n.

6,328 workflows in Langchain
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Classify new bugs in Linear with OpenAI's GPT-4 and move them to the right team
Use case When working with multiple teams, bugs must get in front of the right team as quickly as possible to be resolved. Normally this includes a manual grooming of new bugs that have arrived in you ...
1,801
Feb 29, 2024
Twitter Virtual AI Influencer
Twitter Virtual AI Influencer Workflow Template This n8n workflow template empowers creators to launch a virtual AI influencer that tweets regularly, engaging audiences with a unique niche, writing s ...
27,647
Built by Alex Grozav Alex Grozav
Feb 28, 2024
Chat with OpenAIs GPT via a simple Telegram Bot
Use case LLMs have provided a lot of value for several use cases. Especially some OpenAI models are proving to be quite valuable. However, it's sometimes not super accessible to chat with these models ...
38,698
Built by Mike Mike
Feb 22, 2024
Chat with OpenAI Assistant (by adding a memory)
OpenAI Assistant is a powerful tool, but at the time of writing it doesn't automatically remember past messages from a conversation. This workflow demonstrates how to get around this, by managing the ...
60,367
Feb 15, 2024
Ask a human for help when the AI doesn't know the answer
This is a workflow that tries to answer user queries using the standard GPT-4 model. If it can't answer, it sends a message to Slack to ask for human help. It prompts the user to supply an email addre ...
8,850
Built by Deborah Deborah
Feb 14, 2024
Allow your AI to call an API to fetch data
Use n8n to bring data from any API to your AI. This workflow uses the Chat Trigger to provide the chat interface, and the Custom n8n Workflow Tool to call a second workflow that calls the API. The s ...
21,483
Built by Deborah Deborah
Feb 14, 2024
Chat with a database using AI
This workflow allows you to ask questions about data stored in a database using AI. To use it, you'll need an OpenAI API key (although you could also swap in a model from another service). Supported ...
28,371
Feb 13, 2024
Chat with a Google Sheet using AI
This workflow allows you to ask questions about the data in a Google Sheet over a chat interface. It uses n8n's built-in chat, but could be modified to work with Slack, Teams, WhatsApp, etc. Behind t ...
49,906
Feb 07, 2024
Translate audio using AI
Overview This workflow takes some French text, and translates it into spoken audio. It then transcribes that audio back into text, translates it into English and generates an audio file of the Engli ...
9,858
Feb 06, 2024
Use any LangChain module in n8n (with the LangChain code node)
LangChain is a framework for building AI functionality that users large language models. By leveraging the functionality of LangChain, you can write even more powerful workflows. This workflow shows ...
10,878
Feb 06, 2024
Telegram AI bot with LangChain nodes
This workflow connects Telegram bots with LangChain nodes in n8n. The main AI Agent Node is configured as a Conversation Agent. It has a custom System Prompt which explains the reply formatting and pr ...
59,442
Built by n8n Team n8n Team
Dec 29, 2023
AI chat with any data source (using the n8n workflow tool)
This AI agent can access data provided by another n8n workflow. Since that workflow can be used to retrieve any data from any service, this template can be used give an agent access to any data. Note ...
42,185
Dec 15, 2023
OpenAI assistant with custom tools
This workflow shows how you can get your OpenAI assistant to call an n8n workflow as a tool. Since you can put almost any functionality in an n8n workflow, this means you can give your assistant acces ...
12,568
Dec 15, 2023
AI agent that can scrape webpages
⚙️🛠️🚀🤖🦾 This template is a PoC of a ReAct AI Agent capable of fetching random pages (not only Wikipedia or Google search results). On the top part there's a manual chat node conn ...
211,623
Built by Eduard Eduard
Dec 06, 2023
Use an open-source LLM (via HuggingFace)
This workflow demonstrates how to connect an open-source model to a Basic LLM node. The workflow is triggered when a new manual chat message appears. The message is then run through a Language Model ...
37,276
Built by n8n Team n8n Team
Nov 16, 2023
Personalize marketing emails using customer data and AI
This workflow uses AI to analyze customer sentiment from product feedback. If the sentiment is negative, AI will determine whether offering a coupon could improve the customer experience. Upon comple ...
71,828
Nov 14, 2023
AI: Conversational agent with custom tool written in JavaScript
This workflow implements a custom tool via JavaScript code which returns a random color to users and excludes the given colors. Note that to use this template, you need to be on n8n version 1.19.4 or ...
35,066
Built by n8n Team n8n Team
Oct 05, 2023
Load and summarize Google Drive files with AI
This workflow includes advanced features like text summarization and tokenization, it's ideal for automating document processing tasks that require parsing and summarizing text data from Google Drive. ...
23,665
Built by n8n Team n8n Team
Oct 03, 2023
Slack chatbot powered by AI
This workflow offers an effective way to handle a chatbot's functionality, making use of multiple tools for information retrieval, conversation context storage, and message sending. It's a setup tailo ...
35,192
Built by n8n Team n8n Team
Oct 03, 2023
Ask questions about a PDF using AI
The workflow first populates a Pinecone index with vectors from a Bitcoin whitepaper. Then, it waits for a manual chat message. When received, the chat message is turned into a vector and compared to ...
118,063
Oct 03, 2023