Vellum Assistant icon

Vellum Assistant

by Vocify Inc. · vellum.ai · Developer Tools
Established publisherManifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

Bridges the Vellum assistant to your live browser session via Chrome DevTools Protocol (CDP) through chrome.debugger.

Users
1,000
+101 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#29K
#24K among extensions
Version
0.12.6
updated 29 Sep 2026

Users

monthly, 6 months
05001,000Apr 2026Aug 2026Oct 2026
Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months
023Apr 2026Aug 2026Oct 2026
Latest, 15 Oct 2026: 3 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Vellum Assistant

Vellum Assistant Browser Relay bridges your Vellum AI assistant to your live browser session. Once connected, the assistant can observe page content, navigate between pages, click elements, fill forms, and extract information — all through Chrome's built-in DevTools Protocol. How It Works 1. Install the Vellum desktop app (vellum.ai) 2. Click "Connect" in the extension popup 3. The assistant can now see and interact with your active browser tab The extension acts as a relay — it does not modify web pages, inject scripts into page content, or collect browsing data. All browser interactions are initiated by your assistant and executed through Chrome's debugger API. Requirements - Vellum desktop app installed (provides the native messaging host for local communication) - A Vellum account (free or paid) Features - One-click connect with automatic credential bootstrap - Support for both local (self-hosted) and cloud-managed assistants - Multi-assistant switching when multiple assistants are running - Pause/resume without losing credentials - Auto-reconnect on transient disconnects Privacy This extension communicates only with your local Vellum desktop app (via Chrome's native messaging) and Vellum's servers (api.vellum.ai). It does not collect, store, or transmit your browsing history, page content, or personal data to any third party. See our privacy policy for details. Support support@vellum.ai https://github.com/vellum-ai/vellum-assistant/issues

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+101+11.2%00.00
6 months+1,000–+3+5.00

Version history

21 versions recorded
0.12.629 Sep 2026
0.12.321 Sep 2026
0.12.216 Sep 2026
0.12.011 Sep 2026
0.11.81 Sep 2026
0.11.521 Aug 2026
0.11.38 Aug 2026
0.11.028 Jul 2026

Details

Category
Developer Tools
First seen
17 Apr 2026
Size
166 KB
Languages
en-US
Pricing
in_app
Privacy policy
vellum.ai
Support
github.com
Extension ID
hphbdmpffeigpcdjkckleobjmhhokpne

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
alarmsdebuggeridentitystoragetabs
Site access
<all_urls>
Can read and change data on every website you visit.

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