A field guide, not a syntax course.

Tableau ships excellent reference documentation. It tells you every parameter of every endpoint. What it does not tell you is what any of it is for — which loops you can close, which 2 a.m. pages you can delete, which spreadsheet you can stop maintaining.

That gap used to be filled by memorising the library. It isn’t anymore. AI writes the code. The scarce skill now is knowing the capability surface well enough to ask for the right thing — and to recognise a wrong answer when you get one.

So every lesson here runs in the same order:

• The outcome. What you will be able to do.
• Why it matters.When you’d reach for it, and what it costs you.
• A prompt recipe. Copy it. Hand it to your AI.
• Working code. Proof the capability is real — not a typing exercise.

Who

Built by Eric Summers, who also builds TableauOps Sync — version control for Tableau workbooks — and spends a disproportionate amount of time on the parts of Tableau that have no user interface.

Free while in beta

Every lesson is readable without an account, and always will be. Progress saves to your browser; sign in later and it follows you. Nothing here is gated.

On the missing modules

Only lessons written by a human appear on this site. The modules marked Writing are being authored now. A previous version of this platform contained machine-generated lessons whose code did not do what their titles claimed; those were removed rather than published. If a lesson is here, someone meant it.