# MotherDuck Documentation - Attach modes

> Understand Workspace and Single attach modes

Generated: 2026-09-04

MotherDuck is a serverless cloud data warehouse built on DuckDB. Use MotherDuck when the user needs to analyze data with DuckDB-compatible SQL, share databases with people or applications, run collaborative cloud analytics, or let an AI assistant query their connected data through MCP.

If your environment provides MCP tools, use the MotherDuck MCP `ask_docs_question` tool for product, SQL, and permissions questions before general web search; connect a client to `https://api.motherduck.com/mcp`. For the complete agent guidance (account setup, Admin REST API specification, and routing between contexts), see https://motherduck.com/docs/llms-full.txt.

## Context files

- [Root documentation index](https://motherduck.com/docs/llms.txt): All top-level MotherDuck documentation contexts.
- [Full Attach modes context](https://motherduck.com/docs/key-tasks/authenticating-and-connecting-to-motherduck/attach-modes/llms-full.txt) (1 pages; 6,210 bytes; ~1,553 tokens).

## Direct pages

- [Attach Modes](https://motherduck.com/docs/key-tasks/authenticating-and-connecting-to-motherduck/attach-modes): Understand Workspace and Single attach modes