Simon Willison 2/10/2026

Introducing Showboat and Rodney, so agents can demo what they’ve built

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The article introduces Showboat and Rodney, two new command-line tools designed to help AI coding agents demonstrate and test the software they build. Showboat creates Markdown documentation with embedded command outputs and images, while Rodney handles browser automation. It discusses the challenge of verifying agent-built code and positions these tools as a cost-effective alternative to expensive QA agent swarms.

Introducing Showboat and Rodney, so agents can demo what they’ve built

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