Kiro CLI Custom Agents — mattwood.fyi

I'm Matt Wood, and this is For Your Information. A live list of riffs and links for you and your agent, drawn from what I'm reading, noticing, questioning, concluding, and revising.

Kiro CLI Custom Agents

Custom agents provide a way to customize Kiro behavior by defining specific configurations for different use cases. Each custom agent is defined by a configuration file that specifies which tools the agent can access, what permissions it has, and what context it should include.

kiro.dev →

Connections

Develops into

Kiro CLI 2.5: Thinking Display, Subagent Review Loops, and Display Controls Kiro CLI's custom agent configuration feature is expanded in 2.5 with thinking display and subagent review loops.

Supported by

Schema: Frontier Models with the Right Harness Achieve ~99% on ARC-AGI-3 Public The 'right harness' thesis for frontier models directly explains why Kiro's custom agent configuration matters as much as the underlying model.
How AWS Is Using Neurosymbolic AI to Make Kiro More Reliable Neurosymbolic AI techniques are presented as the reliability mechanism underlying Kiro's custom agent behavior definitions.

Aarthi Raju Amazon Quick productivity workflow LinkedIn Amazon's internal productivity workflow demos and Kiro's custom agent CLI both represent enterprise-driven agent tooling emerging from the same ecosystem.
Kiro Crew Kiro Crew and Kiro CLI Custom Agents are both part of the same Kiro ecosystem, with Kiro Crew being the persistent workspace layer and Kiro CLI providing the agent customization interface

Type:	link
First published:	Monday, 20 July 2026 at 12:00 UTC
Location:	https://kiro.dev/docs/cli/custom-agents/
URL:	https://mattwood.fyi/i/d9771e85