diff --git a/_webi/builds.js b/_webi/builds.js
new file mode 100644
index 0000000..d33cbad
--- /dev/null
+++ b/_webi/builds.js
@@ -0,0 +1,37 @@
+'use strict';
+
+let Builds = module.exports;
+
+let Path = require('node:path');
+
+let BuildsCacher = require('./builds-cacher.js');
+// let HostTargets = require('./build-classifier/host-targets.js');
+let Parallel = require('./parallel.js');
+
+var INSTALLERS_DIR = Path.join(__dirname, '..');
+var CACHE_DIR = Path.join(__dirname, '../_cache');
+
+let bc = BuildsCacher.create({
+  caches: CACHE_DIR,
+  installers: INSTALLERS_DIR,
+});
+bc.freshenRandomPackage(600 * 1000);
+
+Builds.init = async function () {
+  bc.freshenRandomPackage(600 * 1000);
+
+  let dirs = await bc.getProjects();
+  let projNames = Object.keys(dirs.valid);
+  for (let name of projNames) {
+    void (await bc.getPackages({
+      //Releases: Releases,
+      name: name,
+      date: new Date(),
+    }));
+  }
+};
+
+Builds.getProjectType = bc.getProjectType;
+Builds.getPackage = bc.getPackages;
+Builds.findMatchingPackages = bc.findMatchingPackages;
+Builds.selectPackage = bc.selectPackage;