SMRTR AIJun 2, 2026Arcjet Blog

Designing a CLI for AI agents

SMRTR summary

Building a CLI that works well for both humans and AI agents requires treating commands as permanent API contracts. Arcjet's CLI freezes its command structure, uses structured JSON errors with distinct exit codes, validates inputs locally, and requires explicit `--confirm` flags for any production changes — keeping AI agents from making unintended destructive actions.

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