mintlify

Mintlify reference

Reference for building documentation with Mintlify. This file covers essentials that apply to every task. For detailed reference on specific topics, read the files listed in the reference index below.

Reference index

Read these files only when your task requires them. They are in the reference/ directory next to this file. To find them, look in the same directory as this skill file (e.g., .claude/skills/mintlify/reference/).

Before you start

Read the project's docs.json file first. It defines the site's navigation, theme, colors, and configuration.

Search for existing content before creating new pages. You may need to update an existing page, add a section, or link to existing content rather than duplicating.

Read 2-3 similar pages to match the site's voice, structure, and formatting.

File format

Mintlify uses MDX files (.mdx or .md) with YAML frontmatter.

project/
├── docs.json           # Site configuration (required)
├── index.mdx
├── quickstart.mdx
├── guides/
│   └── example.mdx
├── openapi.yml         # API specification (optional)
├── images/             # Static assets
│   └── example.png
└── snippets/           # Reusable components
    └── component.jsx

File naming

• Match existing patterns in the directory
• If no existing files or mixed file naming patterns, use kebab-case: getting-started.mdx
• Add new pages to docs.json navigation or they won't appear in the sidebar

Internal links

• Use root-relative paths without file extensions: /getting-started/quickstart
• Do not use relative paths (../) or absolute URLs for internal pages

Images

Store images in an images/ directory. Reference with root-relative paths. All images require descriptive alt text.

![Dashboard showing analytics overview](/images/dashboard.png)

Page frontmatter

Every page requires title in its frontmatter. Include description and keywords for SEO.

---
title: "Clear, descriptive title"
description: "Concise summary for SEO and navigation."
keywords: ["relevant", "search", "terms"]
---

Common frontmatter fields

Quick component reference

Below are the most commonly used components. For full props and all 24 components, read reference/components.md.

Callouts

<Note>Supplementary information, safe to skip.</Note>
<Info>Helpful context such as permissions or prerequisites.</Info>
<Tip>Recommendations or best practices.</Tip>
<Warning>Potentially destructive actions or important caveats.</Warning>
<Check>Success confirmation or completed status.</Check>
<Danger>Critical warnings about data loss or breaking changes.</Danger>

Steps

<Steps>
  <Step title="First step">
    Instructions for step one.
  </Step>
  <Step title="Second step">
    Instructions for step two.
  </Step>
</Steps>

Tabs and code groups

<Tabs>
  <Tab title="npm">

npm install package-name

  </Tab>
  <Tab title="yarn">

yarn add package-name

  </Tab>
</Tabs>

<CodeGroup>

const greeting = "Hello, world!";

greeting = "Hello, world!"

</CodeGroup>

Cards and columns

<Columns cols={2}>
  <Card title="First card" icon="rocket" href="/quickstart">
    Card description text.
  </Card>
  <Card title="Second card" icon="book" href="/guides">
    Card description text.
  </Card>
</Columns>

Use <Columns> to arrange cards (or other content) in a grid. cols accepts 1-4.

Accordions

<AccordionGroup>
  <Accordion title="First section">Content one.</Accordion>
  <Accordion title="Second section">Content two.</Accordion>
</AccordionGroup>

CLI commands

• npm i -g mint — Install the Mintlify CLI.
• mint dev — Local preview at localhost:3000.
• mint broken-links — Check internal links.
• mint a11y — Check for accessibility issues.
• mint validate — Validate documentation builds.
• mint upgrade — Upgrade from mint.json to docs.json.

Writing standards

• Second-person voice ("you").
• Active voice, direct language.
• Sentence case for headings ("Getting started", not "Getting Started").
• Sentence case for code block titles.
• All code blocks must have language tags.
• All images must have descriptive alt text.
• No marketing language, filler phrases, or emoji.
• Keep code examples simple, practical, and tested.

Common mistakes

• Missing language tag on a code block (use `python , not ` ).
• Using relative paths (../page) instead of root-relative (/section/page).
• Forgetting to add new pages to docs.json navigation.
• Images without alt text.
• Adding file extensions to internal links (/page.mdx instead of /page).