8 agent design patterns: decide what your AI agent is allowed to decide first

techNmak · x · 2026-10-04

A systematic breakdown of agent architecture: decide upfront what the agent may decide, then combine 8 patterns — prompt chaining, routing, parallel execution, orchestrator-workers, evaluator-optimizer, tool use, plan-and-execute, and human review — so the LLM needn't own the whole process. Includes a refund-workflow example: route the request, fetch order details via a tool, pause for human approval before issuing the refund, so the model can investigate but never move money on its own.

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