To enable the plugin, run `psalm-plugin enable plugin-vendor/plugin-package`. To disable it, run `psalm-plugin disable plugin-vendor/plugin-package`. `psalm-plugin show` (as well as bare `psalm-plugin`) will show you the list of enabled plugins, and the list of plugins known to `psalm-plugin` (installed into your `vendor` folder)
Is there no plugin for your favourite framework / library yet? Create it! It's as easy as forking a repository, tweaking some docblocks and publishing the package to Packagist.
Consult [Authoring Plugins](authoring_plugins.md) chapter to get started.