Side effects, idempotency, and human approval
On This Lesson 4 topics
This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.
In this lesson
control tools that change things.
Planned topics
- Classify tools: read-only, reversible write, irreversible or money-moving.
- Side-effect tools create a pending request; a human (or explicit user confirmation) approves.
- Use idempotency keys so a retried call does not refund twice.
- Log who requested, who approved, and the arguments.
Draft outline details
Demonstration
state machine: PENDING → APPROVED → EXECUTED or REJECTED; the tool only creates PENDING.
Check your understanding
Why can an agent loop double-refund?
Show answer
It retries a non-idempotent tool after a timeout.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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