A 9-Layer Stack Guide for Building Production AI Agents
MaryamMiradi · x · 2026-08-05
The author shares a 9-layer tech stack for turning AI agents into usable business systems, emphasizing that production agent engineering begins when isolated components merge into one cohesive system.
Key layers include:
- Input Schema & Validation: Using structured inputs and clear rules (e.g., PydanticAI) to reject malformed requests before the model reasons.
- Context Engineering: Providing the agent with only the precise context it needs right now, filtering out noise to avoid token waste.
- Reasoning & Planning: Allowing the agent to think and break down tasks before taking action.
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