datasette-agent-charts 0.1a1

Simon Willison · Simon Willison · 2026-05-20

Simon Willison releases datasette-agent-charts 0.1a1, adding magnitude-based and categorical color schemes, interactive tooltips, execute-sql permission checking, and a waffleY description bug fix.

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Simon Willison Launches Datasette Agent: Natural Language SQL Interface

Extraction

Topics: datasettedata-visualizationplugin-release

Claims

Bar and waffle charts without a color column are now shaded by magnitude using a sequential color scheme.
Color columns holding text values now use the observable10 categorical color scheme.
The plugin now checks execute-sql permission before running the column-name discovery query.
Charts now display interactive tooltips.
A bug where waffleY charts were not described to the agent has been fixed.

Key quotes

Bar and waffle charts without a color column are shaded by magnitude with a sequential color scheme; color columns holding text values use the observable10 categorical scheme.

Now checks execute-sql permission before running the query to find the column names.