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Six-slot context checklist diagram

Chapter 15 · companion worksheet

Six-slot context checklist

Before any AI feature ships — or when diagnosing why one is giving wrong answers — walk all six slots and ask: what is actually going in here, and who decided that? An empty or defaulted slot is usually where the next failure is hiding.

The six slots

# Slot What belongs here What we have today (fill in) Owner
1 System prompt Standing instructions: who the AI is, what it must always do, what it must never do, tone, format rules
2 User message The actual request for this turn — the question, task, or input the user or system is submitting right now
3 Retrieved context Facts pulled from your knowledge base to answer this specific question — your policies, contracts, product data, case history. This slot fails most often and most quietly.
4 Tool outputs Results returned when the agent called a function — customer record lookup, inventory count, calculation result, API response
5 Memory Durable knowledge carried over from past sessions — preferences, prior decisions, running account of the relationship or project
6 Scratchpad The model's own working notes as it reasons through a multi-step task — intermediate conclusions, things to check, draft plans

The slot that needs the most attention

Slot 3 — retrieved context — is not in the same weight class as the other five. It fails quietly, repeatedly, and in ways that look like the model's fault but are not. For any feature that draws on your own documents, policies, or knowledge base, these are the questions to answer:

Audit questions for any AI feature

Feature audited

Feature / workflow: ______

Date reviewed: ______

Reviewed by: ______

Slot that needs work: ______

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