Prerequisite: Please install Node.js (version 19 or higher) before proceeding.
Please upgrade to docs.json before proceeding and delete the legacy mint.json file.
Follow these steps to install and run Mintlify on your operating system: Step 1: Install Mintlify: 
npm i -g mintlify
Step 2: Navigate to the docs directory (where the docs.json file is located) and execute the following command: 
mintlify dev
A local preview of your documentation will be available at http://localhost:3000.

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Custom Ports

By default, Mintlify uses port 3000. You can customize the port Mintlify runs on by using the --port flag. To run Mintlify on port 3333, for instance, use this command: 
mintlify dev --port 3333
If you attempt to run Mintlify on a port that’s already in use, it will use the next available port: 
Port 3000 is already in use. Trying 3001 instead.

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Mintlify Versions

Please note that each CLI release is associated with a specific version of Mintlify. If your local website doesn’t align with the production version, please update the CLI: 
npm i -g mintlify@latest
The CLI can assist with validating reference links made in your documentation. To identify any broken links, use the following command: 
mintlify broken-links

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Deployment

Unlimited editors available under the Pro Plan and above.
If the deployment is successful, you should see the following:
Checks passed for deployment

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Code Formatting

We suggest using extensions on your IDE to recognize and format MDX. If you’re a VSCode user, consider the MDX VSCode extension for syntax highlighting, and Prettier for code formatting.

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Troubleshooting

Curious about what changed in the CLI version? Check out the CLI changelog.