Langflow: Visual AI Builder (10 Modules)
Install Langflow, build flows, agents, and RAG visually, call them from code, and deploy securely.
10 lessons · about 85 minutes of reading
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Start lesson 1- 1
Langflow Module 1: Introduction and Installation
Learn what Langflow is, choose how to run it, install it, and take a tour of the interface.
8 min read
- 2
Langflow Module 2: Your First Flow with Basic Prompting
Create a flow from the Basic Prompting template, add your model provider key, and chat with it in the Playground.
8 min read
- 3
Langflow Module 3: Components, Ports, and Connections
Learn how components connect, what the port colors mean, and how to build a flow from a blank canvas.
8 min read
- 4
Langflow Module 4: Building an Agent with Tools
Build a tool-using agent from the Simple Agent template, and learn how Tool Mode connects components to the Agent.
9 min read
- 5
Langflow Module 5: RAG with Your Own Documents
Load, split, embed, and store documents, then build a retrieval flow that answers questions from them.
10 min read
- 6
Langflow Module 6: Calling Flows from Code with the REST API
Create a Langflow API key and run any flow from curl or Python, with sessions and tweaks.
8 min read
- 7
Langflow Module 7: Global Variables, Export, and Version History
Manage secrets with global variables, share flows safely by exporting JSON, and use version history.
7 min read
- 8
Langflow Module 8: Writing Custom Components in Python
Extend Langflow with your own component: define inputs and outputs, place the file, and load it.
9 min read
- 9
Langflow Module 9: Langflow and the Model Context Protocol (MCP)
Expose your flows as MCP tools for other apps, and connect Langflow agents to external MCP servers.
9 min read
- 10
Langflow Module 10: Deployment and Security Best Practices
Run Langflow safely beyond your laptop with Docker, authentication settings, secrets, and hardening options.
9 min read