Agents Are Just Loops

Short summary

AI agents fundamentally work as loops: the model reasons about what to do next, selects a tool, executes it, observes the result, and repeats until it has an answer. This AWS tutorial builds 4 progressively complex agents from scratch—from a single-tool calculator to a multi-agent orchestrator—using the open-source Strands Agents SDK. You'll see the agent loop in action, docstrings as API contracts, and production orchestration patterns.

• •Agents are loops: model reasons → selects tool → executes → repeats
• •Build 4 agents from single-tool to multi-agent orchestrator in Python
• •Uses Strands Agents SDK with concrete code examples and GitHub repo

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