CLI v3 Early Access
2.8.0This release introduces an early access preview of Kiro CLI V3. The new harness runs alongside your existing 2.x install, so you can try it without disrupting your current setup. Run kiro-cli --v3 to opt in.

Kiro CLI 3.0 is built on the same unified agent harness that powers the Kiro IDE and Kiro Web. Every improvement to the harness now ships to all surfaces simultaneously. V3 introduces spec-driven development in the terminal, a capability-based permissions model, enhanced hooks with a standalone file format, and tag-based agent configuration. Your existing 2.x setup is unchanged until you opt in with kiro-cli --v3. Learn more ->