Documentation index: /llms.txt. Each page is also available as Markdown by adding .md to its URL.

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Brief

Quickstart

Create a Brief app, run it locally, and start writing your documentation.

Setup#

The quickest way to set up a Brief app is using create brief, which gives you a ready-to-use Next app.

Then, open localhost:3000 to view your docs. Requires Node.js 22.18+, 24.11+, or 26+.

Project Structure#

Brief's configuration is contained in /brief. All configuration is split across files in /brief/config while content is written in a Next-inspired folder structure in /brief/case (pun intended).

Content#

Page, group, tab, and version structure is dictated by folder organization.

Configuration#

Out of all of these, you'll likely only need to edit utm.ts and visuals.ts.

For more on visual customization, visit the Visual Customization page.

Next & MCP Config#

Some additional Next and MCP adapter files exist in brief/ to bridge these settings to Next.js and MCP: