Understanding AI Agents: Architecture and Patterns
What Are AI Agents?
AI agents represent the next evolution beyond simple chatbots. They can plan, use tools, and execute multi-step tasks autonomously.
Core Architecture
A typical AI agent consists of:
Common Patterns
#### ReAct Pattern The most popular pattern: Reason → Act → Observe → Repeat
Thought: I need to find the user's order status
Action: query_database(order_id=12345)
Observation: Order shipped on March 28
Thought: I can now respond with the status#### Multi-Agent Systems Multiple specialized agents collaborating on complex tasks. One agent plans, another researches, another executes.
Building Your First Agent
Start simple. Use a framework like LangGraph or Claude's tool use API to build a basic agent, then add complexity as needed.
The Future of Agents
Expect agents to become the primary interface for software interaction within the next 2-3 years.
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