diff --git a/packages/serve-instrument/package.json b/packages/serve-instrument/package.json
index 231726d2b..98506300a 100644
--- a/packages/serve-instrument/package.json
+++ b/packages/serve-instrument/package.json
@@ -20,6 +20,7 @@
     "esbuild": "catalog:"
   },
   "devDependencies": {
+    "@douglasneuroinformatics/libjs": "catalog:",
     "@douglasneuroinformatics/libui": "catalog:",
     "@opendatacapture/instrument-bundler": "workspace:",
     "@opendatacapture/react-core": "workspace:*",
diff --git a/packages/serve-instrument/src/cli.ts b/packages/serve-instrument/src/cli.ts
index e4d0cf288..3875323b0 100755
--- a/packages/serve-instrument/src/cli.ts
+++ b/packages/serve-instrument/src/cli.ts
@@ -33,9 +33,10 @@ program
   .allowExcessArguments(false)
   .argument('<target>', 'the directory containing the instrument', parseTarget)
   .option('-p --port <number>', 'the port to run the dev server on', parsePort, 3000)
+  .option('-v, --verbose', 'enable verbose logging (includes request logs and build timing)')
   .action(async (target: string) => {
-    const { port } = program.opts<{ port: number }>();
-    const server = await Server.create({ port, target });
+    const { port, verbose } = program.opts<{ port: number; verbose: boolean }>();
+    const server = await Server.create({ port, target, verbose: verbose ?? false });
     await server.start();
   });
 
diff --git a/packages/serve-instrument/src/server.tsx b/packages/serve-instrument/src/server.tsx
index 58e6d64fa..18abb43b3 100644
--- a/packages/serve-instrument/src/server.tsx
+++ b/packages/serve-instrument/src/server.tsx
@@ -6,12 +6,8 @@ import * as fs from 'node:fs';
 import * as http from 'node:http';
 import * as path from 'node:path';
 
-import {
-  bundle,
-  BUNDLER_FILE_EXT_REGEX,
-  inferLoader,
-  InstrumentBundlerError
-} from '@opendatacapture/instrument-bundler';
+import { formatError } from '@douglasneuroinformatics/libjs';
+import { bundle, BUNDLER_FILE_EXT_REGEX, inferLoader } from '@opendatacapture/instrument-bundler';
 import type { BundlerInput } from '@opendatacapture/instrument-bundler';
 import { encodeUnicodeToBase64 } from '@opendatacapture/runtime-internal';
 import { generateMetadata, resolveRuntimeAsset } from '@opendatacapture/runtime-meta';
@@ -24,13 +20,28 @@ import type { RootProps } from './root';
 
 declare const __TAILWIND_STYLES__: string;
 
+function timestamp(): string {
+  return chalk.dim(new Date().toLocaleTimeString('en', { hour12: false }));
+}
+
+function log(message: string): void {
+  console.log(`${timestamp()} ${message}`);
+}
+
+function logError(message: string): void {
+  console.error(`${timestamp()} ${message}`);
+}
+
 class InstrumentLoader {
   private encodedBundle: null | string;
 
-  constructor(private readonly target: string) {
+  constructor(
+    private readonly target: string,
+    private readonly verbose: boolean
+  ) {
     this.encodedBundle = null;
     fs.watch(target, { recursive: false }, () => {
-      console.log(chalk.yellow('↺') + chalk.dim(' File changed, rebuilding instrument...'));
+      log(chalk.yellow('↺') + chalk.dim(' File changed, rebuilding...'));
       void this.updateEncodedBundle();
     });
   }
@@ -58,14 +69,16 @@ class InstrumentLoader {
         name: path.basename(filepath)
       });
     }
+    const start = Date.now();
     try {
       this.encodedBundle = encodeUnicodeToBase64(await bundle({ inputs }));
-      console.log(chalk.green('✓') + chalk.dim(' Bundle ready'));
+      const elapsed = Date.now() - start;
+      const timing = this.verbose ? chalk.dim(` (${elapsed}ms)`) : '';
+      log(chalk.green('✓') + chalk.dim(' Bundle ready') + timing);
     } catch (err) {
-      if (!(err instanceof InstrumentBundlerError)) {
-        console.error(err);
-      }
-      console.error(chalk.red('✘ Failed to compile instrument'));
+      const formattedError = err instanceof Error ? formatError(err) : err;
+      logError(chalk.dim(String(formattedError)) + '\n');
+      logError(chalk.red('✘') + chalk.bold.red(' Error: Failed to compile instrument'));
     }
   }
 }
@@ -73,20 +86,19 @@ class InstrumentLoader {
 class RequestHandler {
   private instrumentLoader: InstrumentLoader;
   private runtimeMetadata: RuntimeMetadataMap;
+  private verbose: boolean;
 
-  constructor(params: { instrumentLoader: InstrumentLoader; runtimeMetadata: RuntimeMetadataMap }) {
+  constructor(params: { instrumentLoader: InstrumentLoader; runtimeMetadata: RuntimeMetadataMap; verbose: boolean }) {
     this.instrumentLoader = params.instrumentLoader;
     this.runtimeMetadata = params.runtimeMetadata;
+    this.verbose = params.verbose;
   }
 
   async handle(req: http.IncomingMessage, res: http.ServerResponse): Promise<void> {
     if (req.method !== 'GET') {
       res.writeHead(405, { 'Content-Type': 'text/plain' });
       res.end('Method Not Allowed');
-      return;
-    }
-
-    if (req.url === '/') {
+    } else if (req.url === '/') {
       const encodedBundle = await this.instrumentLoader.getEncodedBundle();
       if (encodedBundle) {
         res.writeHead(200, { 'Content-Type': 'text/html' });
@@ -145,11 +157,12 @@ export class Server {
     this.server = http.createServer((...args) => void this.handler.handle(...args));
   }
 
-  static async create({ port, target }: { port: number; target: string }) {
+  static async create({ port, target, verbose }: { port: number; target: string; verbose: boolean }) {
     return new this({
       handler: new RequestHandler({
-        instrumentLoader: new InstrumentLoader(target),
-        runtimeMetadata: await generateMetadata({ rootDir: import.meta.dirname })
+        instrumentLoader: new InstrumentLoader(target, verbose),
+        runtimeMetadata: await generateMetadata({ rootDir: import.meta.dirname }),
+        verbose
       }),
       port
     });
@@ -158,7 +171,14 @@ export class Server {
   async start(): Promise<void> {
     return new Promise((resolve) => {
       this.server.listen(this.port, () => {
-        console.log(chalk.green('✓') + ' Listening on ' + chalk.cyan.underline(`http://localhost:${this.port}`));
+        log(
+          chalk.green('✓') +
+            chalk.bold(' Ready') +
+            '  ' +
+            chalk.dim('➜') +
+            '  ' +
+            chalk.cyan.underline(`http://localhost:${this.port}`)
+        );
         resolve();
       });
     });
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 56341f1c5..5ea9d9d0c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -16,8 +16,8 @@ catalogs:
       specifier: ^0.0.4
       version: 0.0.4
     '@douglasneuroinformatics/libjs':
-      specifier: ^3.1.1
-      version: 3.1.1
+      specifier: ^3.2.0
+      version: 3.2.0
     '@douglasneuroinformatics/libpasswd':
       specifier: latest
       version: 0.0.3
@@ -208,7 +208,7 @@ importers:
         version: 0.0.4
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@douglasneuroinformatics/libnest':
         specifier: ^8.2.0
         version: 8.2.1(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14)(@nestjs/platform-fastify@11.1.14(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14))(@nestjs/testing@11.1.14(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14)(@nestjs/platform-express@11.1.14))(@prisma/client@6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.6.3))(typescript@5.6.3))(@swc/types@0.1.25)(fastify@5.7.4)(neverthrow@8.2.0)(reflect-metadata@0.1.14)(rollup@4.58.0)(rxjs@7.8.2)(typescript@5.6.3)(vite@7.3.1(@types/node@22.19.11)(jiti@2.6.1)(lightningcss@1.31.1)(tsx@4.21.0)(yaml@2.8.2))(vitest@3.2.4)(zod@vendor+zod@3.x)
@@ -517,7 +517,7 @@ importers:
         version: 0.0.4
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@douglasneuroinformatics/libui':
         specifier: 'catalog:'
         version: 6.1.2(immer@10.2.0)(neverthrow@8.2.0)(react-dom@vendor+react-dom@19.x)(react@vendor+react@19.x)(tailwindcss@4.2.0)(use-sync-external-store@1.6.0(react@vendor+react@19.x))(zod@vendor+zod@3.x)
@@ -641,7 +641,7 @@ importers:
         version: 6.8.0
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@douglasneuroinformatics/libpasswd':
         specifier: 'catalog:'
         version: 0.0.3(typescript@5.6.3)
@@ -804,7 +804,7 @@ importers:
     dependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@4.3.6)
+        version: 3.2.0(neverthrow@8.2.0)(zod@4.3.6)
       '@opendatacapture/schemas':
         specifier: workspace:*
         version: link:../schemas
@@ -888,7 +888,7 @@ importers:
     dependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@opendatacapture/runtime-core':
         specifier: workspace:*
         version: link:../runtime-core
@@ -900,7 +900,7 @@ importers:
     dependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@4.3.6)
+        version: 3.2.0(neverthrow@8.2.0)(zod@4.3.6)
       '@opendatacapture/runtime-core':
         specifier: workspace:*
         version: link:../runtime-core
@@ -920,7 +920,7 @@ importers:
     dependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@douglasneuroinformatics/libui':
         specifier: 'catalog:'
         version: 6.1.2(immer@10.2.0)(neverthrow@8.2.0)(react-dom@vendor+react-dom@19.x)(react@vendor+react@19.x)(tailwindcss@4.2.0)(use-sync-external-store@1.6.0(react@vendor+react@19.x))(zod@vendor+zod@3.x)
@@ -1017,7 +1017,7 @@ importers:
     dependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       esbuild:
         specifier: 'catalog:'
         version: 0.23.1
@@ -1061,7 +1061,7 @@ importers:
         version: 6.8.0
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@opendatacapture/licenses':
         specifier: workspace:*
         version: link:../licenses
@@ -1097,6 +1097,9 @@ importers:
         specifier: 'catalog:'
         version: 0.23.1
     devDependencies:
+      '@douglasneuroinformatics/libjs':
+        specifier: 'catalog:'
+        version: 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@douglasneuroinformatics/libui':
         specifier: 'catalog:'
         version: 6.1.2(immer@10.2.0)(neverthrow@8.2.0)(react-dom@vendor+react-dom@19.x)(react@vendor+react@19.x)(tailwindcss@4.2.0)(use-sync-external-store@1.6.0(react@vendor+react@19.x))(zod@vendor+zod@3.x)
@@ -1161,7 +1164,7 @@ importers:
     devDependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@4.3.6)
+        version: 3.2.0(neverthrow@8.2.0)(zod@4.3.6)
 
   runtime/v1:
     devDependencies:
@@ -1357,7 +1360,7 @@ importers:
         version: 6.8.0
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@4.3.6)
+        version: 3.2.0(neverthrow@8.2.0)(zod@4.3.6)
       '@faker-js/faker':
         specifier: ^9.4.0
         version: 9.9.0
@@ -1376,7 +1379,7 @@ importers:
     dependencies:
       '@douglasneuroinformatics/libjs':
         specifier: 'catalog:'
-        version: 3.1.1(neverthrow@8.2.0)(zod@4.3.6)
+        version: 3.2.0(neverthrow@8.2.0)(zod@4.3.6)
       '@opendatacapture/schemas':
         specifier: workspace:*
         version: link:../../packages/schemas
@@ -1954,6 +1957,13 @@ packages:
       neverthrow: ^8.2.0
       zod: ^3.25.67
 
+  '@douglasneuroinformatics/libjs@3.2.0':
+    resolution:
+      { integrity: sha512-hHOqDvKWjhRovpGobEag/BT9xaQNyjDBHbxvwOadlepMbnpyk+RCbcGW9OSRidfvs96wq7KSg8tGpzXyYn2J6Q== }
+    peerDependencies:
+      neverthrow: ^8.2.0
+      zod: ^3.25.67
+
   '@douglasneuroinformatics/libnest@8.2.1':
     resolution:
       { integrity: sha512-Mxhv7Fyxhe4qJDUNFUh6m59cchuLhcXtRnykH/3Dv0PcAm6p9siRjbFT28rKUAGk4g1NVgJal5XT4An4Mi/90Q== }
@@ -13679,7 +13689,17 @@ snapshots:
     dependencies:
       '@hpke/core': 1.7.5
 
-  '@douglasneuroinformatics/libjs@3.1.1(neverthrow@8.2.0)(zod@4.3.6)':
+  '@douglasneuroinformatics/libjs@3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)':
+    dependencies:
+      clean-stack: 5.2.0
+      extract-stack: 3.0.0
+      neverthrow: 8.2.0
+      serialize-error: 12.0.0
+      stringify-object: 5.0.0
+      type-fest: 4.41.0
+      zod: link:vendor/zod@3.x
+
+  '@douglasneuroinformatics/libjs@3.2.0(neverthrow@8.2.0)(zod@4.3.6)':
     dependencies:
       clean-stack: 5.2.0
       extract-stack: 3.0.0
@@ -13689,7 +13709,7 @@ snapshots:
       type-fest: 4.41.0
       zod: 4.3.6
 
-  '@douglasneuroinformatics/libjs@3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)':
+  '@douglasneuroinformatics/libjs@3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)':
     dependencies:
       clean-stack: 5.2.0
       extract-stack: 3.0.0
@@ -13701,7 +13721,7 @@ snapshots:
 
   '@douglasneuroinformatics/libnest@8.2.1(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14)(@nestjs/platform-fastify@11.1.14(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14))(@nestjs/testing@11.1.14(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14)(@nestjs/platform-express@11.1.14))(@prisma/client@6.19.2(prisma@6.19.2(magicast@0.3.5)(typescript@5.6.3))(typescript@5.6.3))(@swc/types@0.1.25)(fastify@5.7.4)(neverthrow@8.2.0)(reflect-metadata@0.1.14)(rollup@4.58.0)(rxjs@7.8.2)(typescript@5.6.3)(vite@7.3.1(@types/node@22.19.11)(jiti@2.6.1)(lightningcss@1.31.1)(tsx@4.21.0)(yaml@2.8.2))(vitest@3.2.4)(zod@vendor+zod@3.x)':
     dependencies:
-      '@douglasneuroinformatics/libjs': 3.1.1(neverthrow@8.2.0)(zod@vendor+zod@3.x)
+      '@douglasneuroinformatics/libjs': 3.2.0(neverthrow@8.2.0)(zod@vendor+zod@3.x)
       '@nestjs/common': 11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2)
       '@nestjs/core': 11.1.14(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/platform-express@11.1.14)(reflect-metadata@0.1.14)(rxjs@7.8.2)
       '@nestjs/platform-fastify': 11.1.14(@nestjs/common@11.1.14(reflect-metadata@0.1.14)(rxjs@7.8.2))(@nestjs/core@11.1.14)
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index f9132c96c..7c3e1be3f 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -4,7 +4,7 @@ catalog:
   '@casl/prisma': '^1.4.1'
   '@douglasneuroinformatics/esbuild-plugin-prisma': 'latest'
   '@douglasneuroinformatics/libcrypto': '^0.0.4'
-  '@douglasneuroinformatics/libjs': ^3.1.1
+  '@douglasneuroinformatics/libjs': ^3.2.0
   '@douglasneuroinformatics/libpasswd': 'latest'
   '@douglasneuroinformatics/libstats': 'latest'
   '@douglasneuroinformatics/libui': ^6.1.2