Figure 17.3: Guardrails sort into four families by where they stand
Figure 17.3 Guardrails sort into four families by where they stand. Input guards
screen what reaches the model and output guards screen what leaves it; the
structural boundary is the wall around the whole apparatus. The one drawn in
accent is the action guard, wrapped around the tools where the side effects
are—the family that, for an agent, deserves most of your budget.
