Astrato documentation

Build with Astrato

Connect your data, define trusted business logic and build Data Apps with AI, code or visual tools.

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Start building

1 Connect your data Snowflake, BigQuery, Databricks and more. 2 Create a semantic layer Define measures, dimensions and questions once, for every tool. 3 Build a Data App Go from a governed layer to a published app. 4 Build with AI Describe the app to Nash, or connect your own assistant.

Explore the platform

Semantic layer Model, govern, version and publish your business logic. Data Apps Build in App Builder, with the CLI, or host the app yourself. Nash and AI Ask Nash, schedule it, or reach Astrato from your assistant over MCP. Developers Data App development, the design system and the technical reference.

Workbooks Already using Workbooks? Their docs have their own section, and you can move to Data Apps when you are ready. Workbooks Rebuild a workbook as a Data App

Before you start

Examples use https://app.astrato.io as the Astrato application and API host. If your organization provides a private or custom deployment origin, use it in externally hosted integrations, MCP URLs, and CLI commands that accept --host. Data App source code does not configure an Astrato host.

Once your deployment supports the new URL layout, the replacement Astrato application opens at /web/, with Analytics, which lists workbooks and Data Apps, at /web/analytics/, Data at /web/data/, and customer Administration at /web/administration/. Home and navigation describes the home page and what each area holds. Semantic-layer editors then use /web/sle/{semanticLayerId}, including focused measure and dimension editors. Until then, use the /sle/ links provided by your application; /web/ URLs are not available on every deployment during the transition. Both editor and general application links under the previous /sle/ layout remain usable, preserving their context. Legacy application routes remain available while the UI migration is underway.

The new lobby also provides a personal notification inbox beside the account menu.

For AI agents

• /llms.txt — every page, as a machine-readable link, grouped under the same headings as this site’s navigation. The Workbooks group marks the pages that document Astrato’s earlier product, so an agent does not answer from them by mistake.
• Astrato skills — install the router and focused task skills for AI assistants.
• Technical reference — the Astrato CLI, Data App runtime, SDK, MCP tools, semantic layer entity model and visualizations.
• HTTP API — what still applies in the Help Center articles on direct HTTP requests.

See documentation reading guidance for choosing pages and reusing context, and Key terms for the words this documentation uses precisely.