datasette-agent 0.4a0

Simon Willison's Blog Tools
datasette release plugin python browser-automation

Summary

Datasette Agent 0.4a0 adds a new browser_task() mechanism, letting plugin tools run JavaScript directly in the user's browser. This enables new debugging capabilities for Datasette Apps.

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Cached at: 08/03/26, 01:30 AM

# Release: datasette-agent 0.4a0 Source: [https://simonwillison.net/2026/Jul/31/datasette-agent/](https://simonwillison.net/2026/Jul/31/datasette-agent/) > - New`await context\.browser\_task\(\)`mechanism allowing agent tools to run code directly in the user's browser\.[\#33](https://github.com/datasette/datasette-agent/pull/33) This is an exciting new capability: it makes it easy for Datasette Agent plugins to provide tools that execute custom JavaScript*in the user's browser*\. I used this to add a debug loop to Datasette Apps in[datasette\-apps 0\.2a0](https://simonwillison.net/2026/Aug/1/datasette-apps/)\.

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