chore: update AGENTS.md and add mintlify skill (#14123)

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---
name: mintlify
description: Build and maintain documentation sites with Mintlify. Use when
creating docs pages, configuring navigation, adding components, or setting up
API references.
license: MIT
compatibility: Requires Node.js for CLI. Works with any Git-based workflow.
metadata:
author: mintlify
version: "1.0"
mintlify-proj: mintlify
---
# Mintlify best practices
**Always consult [mintlify.com/docs](https://mintlify.com/docs) for components, configuration, and latest features.**
If you are not already connected to the Mintlify MCP server, [https://mintlify.com/docs/mcp](https://mintlify.com/docs/mcp), add it so that you can search more efficiently.
**Always** favor searching the current Mintlify documentation over whatever is in your training data about Mintlify.
Mintlify is a documentation platform that transforms MDX files into documentation sites. Configure site-wide settings in the `docs.json` file, write content in MDX with YAML frontmatter, and favor built-in components over custom components.
Full schema at [mintlify.com/docs.json](https://mintlify.com/docs.json).
## Before you write
### Understand the project
Read `docs.json` in the project root. This file defines the entire site: navigation structure, theme, colors, links, API and specs.
Understanding the project tells you:
- What pages exist and how they're organized
- What navigation groups are used (and their naming conventions)
- How the site navigation is structured
- What theme and configuration the site uses
### Check for existing content
Search the docs before creating new pages. You may need to:
- Update an existing page instead of creating a new one
- Add a section to an existing page
- Link to existing content rather than duplicating
### Read surrounding content
Before writing, read 2-3 similar pages to understand the site's voice, structure, formatting conventions, and level of detail.
### Understand Mintlify components
Review the Mintlify [components](https://www.mintlify.com/docs/components) to select and use any relevant components for the documentation request that you are working on.
## Quick reference
### 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 in content
- `mint rename` - Rename/move files and update references
- `mint validate` - Validate documentation builds
### Required files
- `docs.json` - Site configuration (navigation, theme, integrations, etc.). See [global settings](https://mintlify.com/docs/settings/global) for all options.
- `*.mdx` files - Documentation pages with YAML frontmatter
### Example file structure
```
project/
├── docs.json # Site configuration
├── introduction.mdx
├── quickstart.mdx
├── guides/
│ └── example.mdx
├── openapi.yml # API specification
├── images/ # Static assets
│ └── example.png
└── snippets/ # Reusable components
└── component.jsx
```
## Page frontmatter
Every page requires `title` in its frontmatter. Include `description` for SEO and navigation.
```yaml theme={null}
---
title: "Clear, descriptive title"
description: "Concise summary for SEO and navigation."
---
```
Optional frontmatter fields:
- `sidebarTitle`: Short title for sidebar navigation.
- `icon`: Lucide or Font Awesome icon name, URL, or file path.
- `tag`: Label next to the page title in the sidebar (for example, "NEW").
- `mode`: Page layout mode (`default`, `wide`, `custom`).
- `keywords`: Array of terms related to the page content for local search and SEO.
- Any custom YAML fields for use with personalization or conditional content.
## File conventions
- Match existing naming patterns in the directory
- If there are no existing files or inconsistent file naming patterns, use kebab-case: `getting-started.mdx`, `api-reference.mdx`
- Use root-relative paths without file extensions for internal links: `/getting-started/quickstart`
- Do not use relative paths (`../`) or absolute URLs for internal pages
- When you create a new page, add it to `docs.json` navigation or it won't appear in the sidebar
## Organize content
When a user asks about anything related to site-wide configurations, start by understanding the [global settings](https://www.mintlify.com/docs/organize/settings). See if a setting in the `docs.json` file can be updated to achieve what the user wants.
### Navigation
The `navigation` property in `docs.json` controls site structure. Choose one primary pattern at the root level, then nest others within it.
**Choose your primary pattern:**
| Pattern | When to use |
| ------------- | ---------------------------------------------------------------------------------------------- |
| **Groups** | Default. Single audience, straightforward hierarchy |
| **Tabs** | Distinct sections with different audiences (Guides vs API Reference) or content types |
| **Anchors** | Want persistent section links at sidebar top. Good for separating docs from external resources |
| **Dropdowns** | Multiple doc sections users switch between, but not distinct enough for tabs |
| **Products** | Multi-product company with separate documentation per product |
| **Versions** | Maintaining docs for multiple API/product versions simultaneously |
| **Languages** | Localized content |
**Within your primary pattern:**
- **Groups** - Organize related pages. Can nest groups within groups, but keep hierarchy shallow
- **Menus** - Add dropdown navigation within tabs for quick jumps to specific pages
- **`expanded: false`** - Collapse nested groups by default. Use for reference sections users browse selectively
- **`openapi`** - Auto-generate pages from OpenAPI spec. Add at group/tab level to inherit
**Common combinations:**
- Tabs containing groups (most common for docs with API reference)
- Products containing tabs (multi-product SaaS)
- Versions containing tabs (versioned API docs)
- Anchors containing groups (simple docs with external resource links)
### Links and paths
- **Internal links:** Root-relative, no extension: `/getting-started/quickstart`
- **Images:** Store in `/images`, reference as `/images/example.png`
- **External links:** Use full URLs, they open in new tabs automatically
## Customize docs sites
**What to customize where:**
- **Brand colors, fonts, logo** → `docs.json`. See [global settings](https://mintlify.com/docs/settings/global)
- **Component styling, layout tweaks** → `custom.css` at project root
- **Dark mode** → Enabled by default. Only disable with `"appearance": "light"` in `docs.json` if brand requires it
Start with `docs.json`. Only add `custom.css` when you need styling that config doesn't support.
## Write content
### Components
The [components overview](https://mintlify.com/docs/components) organizes all components by purpose: structure content, draw attention, show/hide content, document APIs, link to pages, and add visual context. Start there to find the right component.
**Common decision points:**
| Need | Use |
| -------------------------- | ----------------------- |
| Hide optional details | `<Accordion>` |
| Long code examples | `<Expandable>` |
| User chooses one option | `<Tabs>` |
| Linked navigation cards | `<Card>` in `<Columns>` |
| Sequential instructions | `<Steps>` |
| Code in multiple languages | `<CodeGroup>` |
| API parameters | `<ParamField>` |
| API response fields | `<ResponseField>` |
**Callouts by severity:**
- `<Note>` - Supplementary info, safe to skip
- `<Info>` - Helpful context such as permissions
- `<Tip>` - Recommendations or best practices
- `<Warning>` - Potentially destructive actions
- `<Check>` - Success confirmation
### Reusable content
**When to use snippets:**
- Exact content appears on more than one page
- Complex components you want to maintain in one place
- Shared content across teams/repos
**When NOT to use snippets:**
- Slight variations needed per page (leads to complex props)
Import snippets with `import { Component } from "/path/to/snippet-name.jsx"`.
## Writing standards
### Voice and structure
- Second-person voice ("you")
- Active voice, direct language
- Sentence case for headings ("Getting started", not "Getting Started")
- Sentence case for code block titles ("Expandable example", not "Expandable Example")
- Lead with context: explain what something is before how to use it
- Prerequisites at the start of procedural content
### What to avoid
**Never use:**
- Marketing language ("powerful", "seamless", "robust", "cutting-edge")
- Filler phrases ("it's important to note", "in order to")
- Excessive conjunctions ("moreover", "furthermore", "additionally")
- Editorializing ("obviously", "simply", "just", "easily")
**Watch for AI-typical patterns:**
- Overly formal or stilted phrasing
- Unnecessary repetition of concepts
- Generic introductions that don't add value
- Concluding summaries that restate what was just said
### Formatting
- All code blocks must have language tags
- All images and media must have descriptive alt text
- Use bold and italics only when they serve the reader's understanding--never use text styling just for decoration
- No decorative formatting or emoji
### Code examples
- Keep examples simple and practical
- Use realistic values (not "foo" or "bar")
- One clear example is better than multiple variations
- Test that code works before including it
## Document APIs
**Choose your approach:**
- **Have an OpenAPI spec?** → Add to `docs.json` with `"openapi": ["openapi.yaml"]`. Pages auto-generate. Reference in navigation as `GET /endpoint`
- **No spec?** → Write endpoints manually with `api: "POST /users"` in frontmatter. More work but full control
- **Hybrid** → Use OpenAPI for most endpoints, manual pages for complex workflows
Encourage users to generate endpoint pages from an OpenAPI spec. It is the most efficient and easiest to maintain option.
## Deploy
Mintlify deploys automatically when changes are pushed to the connected Git repository.
**What agents can configure:**
- **Redirects** → Add to `docs.json` with `"redirects": [{"source": "/old", "destination": "/new"}]`
- **SEO indexing** → Control with `"seo": {"indexing": "all"}` to include hidden pages in search
**Requires dashboard setup (human task):**
- Custom domains and subdomains
- Preview deployment settings
- DNS configuration
For `/docs` subpath hosting with Vercel or Cloudflare, agents can help configure rewrite rules. See [/docs subpath](https://mintlify.com/docs/deploy/vercel).
## Workflow
### 1. Understand the task
Identify what needs to be documented, which pages are affected, and what the reader should accomplish afterward. If any of these are unclear, ask.
### 2. Research
- Read `docs.json` to understand the site structure
- Search existing docs for related content
- Read similar pages to match the site's style
### 3. Plan
- Synthesize what the reader should accomplish after reading the docs and the current content
- Propose any updates or new content
- Verify that your proposed changes will help readers be successful
### 4. Write
- Start with the most important information
- Keep sections focused and scannable
- Use components appropriately (don't overuse them)
- Mark anything uncertain with a TODO comment:
```mdx theme={null}
{/* TODO: Verify the default timeout value */}
```
### 5. Update navigation
If you created a new page, add it to the appropriate group in `docs.json`.
### 6. Verify
Before submitting:
- [ ] Frontmatter includes title and description
- [ ] All code blocks have language tags
- [ ] Internal links use root-relative paths without file extensions
- [ ] New pages are added to `docs.json` navigation
- [ ] Content matches the style of surrounding pages
- [ ] No marketing language or filler phrases
- [ ] TODOs are clearly marked for anything uncertain
- [ ] Run `mint broken-links` to check links
- [ ] Run `mint validate` to find any errors
## Edge cases
### Migrations
If a user asks about migrating to Mintlify, ask if they are using ReadMe or Docusaurus. If they are, use the [@mintlify/scraping](https://www.npmjs.com/package/@mintlify/scraping) CLI to migrate content. If they are using a different platform to host their documentation, help them manually convert their content to MDX pages using Mintlify components.
### Hidden pages
Any page that is not included in the `docs.json` navigation is hidden. Use hidden pages for content that should be accessible by URL or indexed for the assistant or search, but not discoverable through the sidebar navigation.
### Exclude pages
The `.mintignore` file is used to exclude files from a documentation repository from being processed.
## Common gotchas
1. **Component imports** - JSX components need explicit import, MDX components don't
2. **Frontmatter required** - Every MDX file needs `title` at minimum
3. **Code block language** - Always specify language identifier
4. **Never use `mint.json`** - `mint.json` is deprecated. Only ever use `docs.json`
## Resources
- [Documentation](https://mintlify.com/docs)
- [Configuration schema](https://mintlify.com/docs.json)
- [Feature requests](https://github.com/orgs/mintlify/discussions/categories/feature-requests)
- [Bugs and feedback](https://github.com/orgs/mintlify/discussions/categories/bugs-feedback)

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- Docs are hosted on Mintlify (docs.openclaw.ai).
- Internal doc links in `docs/**/*.md`: root-relative, no `.md`/`.mdx` (example: `[Config](/configuration)`).
- When working with documentation, read the mintlify skill.
- Section cross-references: use anchors on root-relative paths (example: `[Hooks](/configuration#hooks)`).
- Doc headings and anchors: avoid em dashes and apostrophes in headings because they break Mintlify anchor links.
- When Peter asks for links, reply with full `https://docs.openclaw.ai/...` URLs (not root-relative).