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datasette-agent 0.4a0: New browser_task() mechanism runs agent tools directly in the user's browser

Summary

datasette-agent 0.4a0 introduces await context.browser_task(), enabling Datasette Agent plugins to provide tools that execute custom JavaScript directly in the user's browser. The release was authored by Simon Willison on 31st July 2026.

datasette-agent 0.4a0: New browser_task() mechanism runs agent tools directly in the user's browser
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Release: datasette-agent 0.4a0

Simon Willison’s Weblog

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31st July 2026

Release

datasette-agent 0.4a0 — An LLM-powered agent for Datasette

New await context.browser_task() mechanism allowing agent tools to run code directly in the user's browser. #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.

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This is a beat by Simon Willison, posted on 31st July 2026.

datasette 1,530

llm-tool-use 74

datasette-agent 19

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Key points and analysis

Article intelligence

EngineersAdvanced

Key points

  • datasette-agent 0.4a0 is released with a new await context.browser_task() mechanism
  • This mechanism lets agent tools run custom JavaScript directly in the user's browser
  • The capability comes from PR #33, announced by Simon Willison on 31st July 2026

Highlights and analysis are generated automatically and may contain errors. Check the original source.