Kiro IDE 0.9: Custom Subagents & Agent Skills

Kiro IDE 0.9 adds custom subagents, portable skill packages, and hook triggers for deeper control over agentic workflows. Enterprise gets web tool governance.

Kiro IDE 0.9: Custom Subagents & Agent Skills

TL;DR

  • Define custom subagents to delegate specialized tasks within your agentic workflows
  • Import portable skill packages from the community to extend agent capabilities
  • New hook triggers let you intercept and customize tool invocations
  • Enterprise: governance controls for web tool access

New

  • Custom Subagents — Define specialized agents that handle specific tasks, letting your main agent delegate work instead of doing everything itself.
  • Agent Skills — Import reusable skill packages from the community to add new capabilities without writing from scratch.
  • Hook Triggers — Intercept tool invocations before they execute, giving you control over how agents interact with external systems.
  • Web Tool Governance (Enterprise) — New controls for managing which web tools agents can access, improving security and compliance.

Update: kiro update or check the full release notes.

Source: Kiro