Seymour icon

Seymour

by Sage AI · Communication
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Securely shares your X (Twitter) or LinkedIn session data with the Seymour web app to enable AI-driven engagement on your behalf.

Users
3
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#344K
#265K among extensions
Version
1.8.6
updated 7 Sep 2025

Users

monthly, 17 months
0816May 2025Feb 2026Oct 2026
Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 17 months
001May 2025Feb 2026Oct 2026
Latest, 15 Oct 2026: 0 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 Seymour

The Seymour Chrome extension does not collect post content or interact with the X.com or LinkedIn.com interfaces in any way. Its sole function is to securely access and transfer your session data from X.com or LinkedIn.com to the Seymour web application. This session data is used exclusively to authenticate your user session and enable personalized AI-powered reply and outreach features within the Seymour dashboard. --- ✅ The extension: * Runs only while you’re browsing X.com or LinkedIn.com * Accesses your session cookie solely for authentication purposes * Sends session data securely to the Seymour web app * Does **not** read, store, or analyze any tweet or post content * Does **not** modify X.com or LinkedIn.com interfaces or post on your behalf All AI-generated replies, comments, and outreach messages are created within the Seymour web app — not inside the extension or on X.com or LinkedIn.com themselves. --- 🔒 **Privacy Notice** This extension accesses and transfers your session data from X.com or LinkedIn.com to Seymour’s web application. * This data is used only to authenticate your session and power AI features on the Seymour dashboard * No post or message content is collected or stored * No data is shared with any third parties * The extension does not alter X.com or LinkedIn.com nor post messages for you * All data transmission is secure and done only with your explicit consent

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−1−25.0%00.00
6 months−7−70.0%00.00
1 year−2−40.0%00.00

Version history

15 versions recorded
1.8.67 Sep 2025
1.8.14 Sep 2025
1.6.103 Sep 2025
1.6.229 Aug 2025
1.5.2227 Aug 2025
1.5.1525 Aug 2025
1.5.1625 Aug 2025
1.5.1024 Aug 2025

Details

Category
Communication
First seen
15 May 2025
Size
45 KB
Languages
en
Pricing
Free
Privacy policy
app.myseymour.com
Extension ID
kgaccphhfidjakoebbmaccajnlhkkhmd

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
idlealarmsstoragescriptingtabscookiesproxywebRequestwebNavigationwebRequestBlockingwebRequestAuthProvider
Site access
https://*.x.com/*https://*.twitter.com/*https://*.linkedin.com/*<all_urls>
Can read and change data on every website you visit.

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