GraphQL Mesh comes in multiple packages, which you should install according to your needs.
To get started with the basics, install the following:
Then, you need to install a Mesh handler, according to your API needs. You can see the list of all available built-in handlers in here.
For example, if you wish to use OpenAPI handler, install the handler that matches you needs:
Then, this handler will be available for you to use in your config file.