Kiro Powers: Add Real-Browser Verification with Kane CLI

Kiro is an agentic IDE from AWS designed to handle tasks like reading specifications, writing components, and wiring routes, yet it lacks the capability to verify UI functionality, a gap filled by the Kane CLI. Kane CLI allows for browser-driven verification by taking plain English objectives, executing them in a real Chrome browser, and returning a pass or fail verdict with evidence. The guide discusses four integration methods for Kane CLI in Kiro: installing it as a power, using the integrated terminal, employing agent mode with steering files and hooks, or following official agent instructions. Powers in Kiro are specialized bundles that optimize context usage by activating relevant tools only when needed, which is why browser verification fits as a power. The Kane CLI is not in Kiro's curated directory as of July 2026 but can be installed as a custom power from a local folder, and it operates on Node.js with Google Chrome to perform automation tasks. Different methods of using Kane CLI—from custom power installations to direct terminal commands—offer varied levels of control, allowing users to choose based on their specific needs, whether for debugging, automated event-driven verification, or full command surface access. The guide emphasizes the importance of shift-left verification, where catching UI flaws during the session they are created enhances efficiency, turning Kiro's specs into a unit of work and verification into a unit of done.

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