20 — Guardrails and Security

Tool-level validation versus agent-level guardrails (pre_hooks, InputCheckError): prompt injection, a custom finance-topic guardrail, memory and iteration limits, and approval checkpoints -- closing on defence in depth.

Full content for this chapter is being transcribed from the manuscript and will appear here soon. In the meantime, the level of detail planned for this chapter is: Production: guardrails & evaluation.