One of the neat things about Locator is that it does not require any backend storage for saving the map - all configuration and markers are stashed in the embed code. As there is no need for storing data, there is also no need to authenticate for creating a map. Locator could be used for instance to allow anybody on your team to create quick simple maps without the need to log in to a MapBox account.
Here is a screenshot showing Locator’s user interface for creating a map:
On the receiving end, the embed.js file parses the generated HTML block:
and converts it into a fully-functional MapBox map: