Simple Firefox extension. Same as bookmarklet.
Works only for Miniflux Hosting url (reader.miniflux.app) because I couldn't manage to create an options page.
skatkov/add-to-miniflux-webextension
Simple extension for Miniflux to subscribe to a website directly from Firefox toolbar. Same as bookmarklet. Works only for Miniflux Hosting URL (reader.miniflux.app).
JavaScriptGPL-3.0