The plugin.json file is mandatory for all plugins. When Grafana starts it will scan the plugin folders and mount every folder that contains a plugin.json file unless the folder contains a subfolder named dist. In that case grafana will mount the dist folder instead.

Plugin JSON Schema

idunique name of the plugin - conventions described in styleguide
nameHuman readable name of the plugin
info.descriptionDescription of plugin. Used for searching plugins
info.keywordsplugin keywords. Used for search on grafana net
info.logoslink to project logos
info.versionproject version of this commit. Must be semver
dependencies.grafanaVersionRequired grafana backend version for this plugin
dependencies.pluginsrequired plugins for this plugin.