diff --git a/.gitignore b/.gitignore
index 4173650..5a67c61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,9 @@ build/
 packages/frontend-core/control/
 *.tsbuildinfo
 
+# Auto-generated sources (created during packages/frontend-core prebuild)
+packages/frontend-core/src/webusb/webUsbDevices.autogen.ts
+
 # Environment variables
 .env
 .env.local
diff --git a/packages/frontend-core/scripts/generate-webusb-registrations.js b/packages/frontend-core/scripts/generate-webusb-registrations.js
new file mode 100644
index 0000000..a37d43a
--- /dev/null
+++ b/packages/frontend-core/scripts/generate-webusb-registrations.js
@@ -0,0 +1,105 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const pkgRoot = path.resolve(__dirname, '..');
+const webusbSrcDir = path.join(pkgRoot, 'src', 'webusb');
+
+const GENERATED_BASENAME = 'webUsbDevices.autogen.ts';
+const GENERATED_PATH = path.join(webusbSrcDir, GENERATED_BASENAME);
+
+function walk(dir) {
+    /** @type {string[]} */
+    const results = [];
+    for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
+        const full = path.join(dir, entry.name);
+        if (entry.isDirectory()) {
+            // skip templates and other non-code folders by default
+            if (entry.name === 'templates') continue;
+            results.push(...walk(full));
+        } else {
+            results.push(full);
+        }
+    }
+    return results;
+}
+
+function toPosix(p) {
+    return p.split(path.sep).join('/');
+}
+
+function writeIfChanged(filePath, content) {
+    if (fs.existsSync(filePath)) {
+        const current = fs.readFileSync(filePath, 'utf8');
+        if (current === content) return false;
+    }
+    fs.writeFileSync(filePath, content, 'utf8');
+    return true;
+}
+
+export function generateWebUsbRegistrations() {
+    if (!fs.existsSync(webusbSrcDir)) {
+        console.warn(`[webusb-autogen] Directory not found: ${webusbSrcDir}`);
+        return;
+    }
+
+    const candidates = walk(webusbSrcDir)
+        .filter(f => f.endsWith('.ts'))
+        .filter(f => !f.endsWith('.d.ts'))
+        .filter(f => path.basename(f) !== 'index.ts')
+        // webUsb.ts defines registerWebUsbInstance; it should not be included
+        // in the auto-registration imports list.
+        .filter(f => path.basename(f) !== 'webUsb.ts')
+        .filter(f => path.basename(f) !== GENERATED_BASENAME);
+
+    const importSpecifiers = [];
+    const matcher = /\bregisterWebUsbInstance\s*\(/;
+
+    for (const filePath of candidates) {
+        const text = fs.readFileSync(filePath, 'utf8');
+        if (!matcher.test(text)) continue;
+        // Avoid false positives from declarations like `function registerWebUsbInstance(...)`.
+        if (/\bexport\s+function\s+registerWebUsbInstance\b|\bfunction\s+registerWebUsbInstance\b/.test(text)) continue;
+
+        const relFromWebusb = path.relative(webusbSrcDir, filePath);
+        const noExt = relFromWebusb.replace(/\.ts$/, '');
+        const spec = './' + toPosix(noExt);
+        importSpecifiers.push(spec);
+    }
+
+    importSpecifiers.sort();
+
+    const header = [
+        '/*',
+        ' * AUTO-GENERATED FILE - DO NOT EDIT.',
+        ' *',
+        ' * Generated by: packages/frontend-core/scripts/generate-webusb-registrations.js',
+        ' * Purpose: import all WebUSB device modules that self-register via registerWebUsbInstance(...)',
+        ' */',
+        '',
+    ].join('\n');
+
+    const body = importSpecifiers.length
+        ? importSpecifiers.map(s => `import '${s}';`).join('\n') + '\n'
+        : '// No WebUSB device modules with registerWebUsbInstance(...) were found.\n';
+
+    const content = header + body;
+
+    const changed = writeIfChanged(GENERATED_PATH, content);
+    const msg = changed ? 'updated' : 'up-to-date';
+    console.log(`[webusb-autogen] ${msg}: src/webusb/${GENERATED_BASENAME} (${importSpecifiers.length} imports)`);
+}
+
+// Allow running directly: `node scripts/generate-webusb-registrations.js`
+if (import.meta.url === `file://${__filename}`) {
+    try {
+        generateWebUsbRegistrations();
+        process.exit(0);
+    } catch (e) {
+        console.error(e);
+        process.exit(1);
+    }
+}
diff --git a/packages/frontend-core/scripts/prebuild.js b/packages/frontend-core/scripts/prebuild.js
index c1c4ca9..9a0c346 100644
--- a/packages/frontend-core/scripts/prebuild.js
+++ b/packages/frontend-core/scripts/prebuild.js
@@ -1,6 +1,7 @@
 import fs from 'fs';
 import path from 'path';
 import { fileURLToPath } from 'url';
+import { generateWebUsbRegistrations } from './generate-webusb-registrations.js';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
@@ -21,6 +22,7 @@ function copyDir(src, dest, skipFiles = []) {
 
 (function main() {
     try {
+        generateWebUsbRegistrations();
         console.log('Copying control files...');
         copyDir(path.join(pkgRoot, 'src', 'control'), path.join(pkgRoot, 'dist', 'control'), ['pre.js']);
         process.exit(0);
diff --git a/packages/frontend-core/src/webusb/index.ts b/packages/frontend-core/src/webusb/index.ts
index 0db9fe0..a276265 100644
--- a/packages/frontend-core/src/webusb/index.ts
+++ b/packages/frontend-core/src/webusb/index.ts
@@ -1,3 +1,7 @@
+// Auto-register built-in WebUSB device implementations.
+// This file is generated at build time by scripts/prebuild.js.
+import './webUsbDevices.autogen';
+
 // Re-exporting all types from WebUsb module
 export {
     WebUsbChannels, ControlWebUsb, ControlWebUsbInitialParams
diff --git a/test-apps/package.json b/test-apps/package.json
index 5126cd2..f8a3bbd 100644
--- a/test-apps/package.json
+++ b/test-apps/package.json
@@ -10,7 +10,7 @@
         "@websdr/frontend-core": "file:../packages/frontend-core"
     },
     "devDependencies": {
-        "tsx": "^4.7.0",
+        "tsx": "^4.21.0",
         "typescript": "^5.9.2"
     }
-}
\ No newline at end of file
+}