Building agents the LangGraph way!

Multi-Agent Systems with LangGraph

James Chapman

Curriculum Manager, DataCamp

What you'll build...

A company assistant able to call tools to retrieve stock performance data, company summary information, and plot stock performance data.

Multi-Agent Systems with LangGraph

Agents: the LangGraph way!

 

The LangGraph logo.

 

  • LangChain 🤝 LangGraph

 

  • Build and orchestrate production-ready agentic workflows

Nodes connected by ends.

Multi-Agent Systems with LangGraph

Limitations of LLMs

An LLM struggling with tasks that involve up-to-date information or the usage of external tools.

 

  1. Knowledge cutoff based on training data
  2. Trained to generate specific modalities (text, images, etc.)

 

  • LLM $\neq$ Agent
  • Agents → LLM + Tools
1 Image created with GPT-4o
Multi-Agent Systems with LangGraph

Agents: the story from the inside

components

Multi-Agent Systems with LangGraph

Agents: the story from the inside

model

Multi-Agent Systems with LangGraph

Agents: the story from the inside

tools

Multi-Agent Systems with LangGraph

Agents: the story from the inside

orchestration

Multi-Agent Systems with LangGraph

What you'll build...

A company assistant able to call tools to retrieve stock performance data, company summary information, and plot stock performance data.

Multi-Agent Systems with LangGraph

Nodes and edges

 

An agentic workflow where the LLM can "decide" whether to call a tool or not.

Multi-Agent Systems with LangGraph

Multi-Agent Systems with LangGraph

info_locations.png

Multi-Agent Systems with LangGraph

Let's practice!

Multi-Agent Systems with LangGraph

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