fireant-less LESS plugin for Fireant Installation npm install -D fireant-less Sample fireantfile.js var fireant = require("fireant"); var less = require("fireant-less"); fireant.task("watch", function() { fireant.watch("css/*.less", function(file) { less("css/index.less").save("html/css/styles.css"); }); }); Sample fireantfile.js, with options var fireant = require("fireant"); var less = require("fireant-less"); var global = require("global"); global.options = { less: { compress: false } }; fireant.task("watch", function() { fireant.watch("css/*.less", function(file) { less("css/index.less").save("html/css/styles.css"); }); });