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Welcome to the website. Here I share my Tableau thoughts and learning. Check out the blog, or see past presentations and my portfolio.

Michael McCusker

Latest Blogs

· 11 min read

Tableau Data Apps are here. Do you like scary movies?

Tableau Data Apps put a whole web app inside a workbook, with no hosting and nothing to allow-list. What they are, how they differ from viz extensions, how to build one, and why the horror movie app I built is making me a little nervous.

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· 15 min read

Row-Level Security with Composable Data Sources

Composable data sources arrived in Tableau 2026.2, and the use case I'm most excited about is row-level security. Here's how to set it up in 5 steps, the mistakes to avoid, and why your entitlement table deserves its own refresh schedule.

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· 15 min read

Tableau's Cheat Codes: A REST API Starter Pack

In December 2025 I found Tableau's REST API, and it felt like finding cheat codes. Here's how I learned it, how AI changed the way I build with it, and a free starter pack of eleven scripts and a skill file to get you there faster.

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