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Simon Willison

datasette-agent 0.5a0 released with new panel feature

Datasette Agent 0.5a0 introduces a panel that lets the agent chat sit alongside Datasette pages like tables or queries. Combined with datasette-apps, users can prompt a database-backed app into existence and modify it via the chat. The release is available for testing by signing in with GitHub at agent.datasette.io.

AI Brief

Provides a concrete new capability for Datasette users to interactively build and modify database apps via an AI agent.

Release: datasette-agent 0.5a0

This is a significant release of Datasette Agent. The most notable new feature is called the panel - it lets the agent chat open and then sit next to pages from Datasette, for example a table or query page.

When combined with datasette-apps this means you can prompt a database-backed app into existence and then modify it from the chat that sits next to that app.

Screenshot of a split-screen chat interface titled "evaluate llm prices" (model tag "gpt-6-luna"): the conversation runs in a narrow column on the left, and a wide side panel on the right displays the app the assistant built, with "EXPORT" and "Close panel" buttons above it. In the chat, blue user bubbles read "Build an app to help explore this data" and "give it a more hacker aesthetic design", each followed by collapsed tool calls (app_create, app_render, app_view, app_str_replace), "LLM Price Explorer v1." and "v2." entries with "View app" and "Edit" buttons, and short assistant replies describing the app and its new dark terminal-inspired theme. The right panel shows the resulting "LLM Price Explorer" in neon green monospace on black: stat cards for 185 models from 12 providers with workload costs from $0.042 (Jev 1.13) to $300.00 (o1 Pro), filter and workload cost estimate controls, and a table of matching models with input, output and cached input prices per million tokens.

You can try it by signing in with your GitHub account to agent.datasette.io.

Tags: projects, datasette, datasette-agent

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