Server Spy - HTTP Headers & Server Inspector
Chrome extension by Khoa Nguyen · Productivity · Developer
- Established publisher
A Chrome extension in Productivity · Developer with 31 users, barely installed. Audience over the last 30 days: +2.
No site access is declared in the manifest, so it cannot read the pages you open on its own.
What the developer says, and 3 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 31
- Users, last 30 days
- +2
- Version
- 0.1.0
- Updated in the store
- 2026-03-28
- Published
- 2026-03-28
- Manifest
- V3
- Browser access
- 5 permissions
How it has moved
- 2026-10-0526
- 2026-10-0927
- 2026-10-1126
- 2026-10-1325
- 2026-10-1627
- 2026-10-1827
- 2026-10-1928
- 2026-10-2129
- 2026-10-2230
- 2026-10-2329
- 2026-10-2430
- 2026-10-2531
- 2026-10-2931
- 2026-09-0123
- 2026-09-0225
- 2026-09-0427
- 2026-09-0627
- 2026-09-0828
- 2026-09-0930
- 2026-09-1029
- 2026-09-1330
- 2026-09-1531
- 2026-09-1729
- 2026-09-2031
- 2026-09-2228
- 2026-09-2730
- 2026-09-2829
- 2026-10-0526
- 2026-10-0927
- 2026-10-1126
- 2026-10-1325
- 2026-10-1627
- 2026-10-1827
- 2026-10-1928
- 2026-10-2129
- 2026-10-2230
- 2026-10-2329
- 2026-10-2430
- 2026-10-2531
- 2026-10-2931
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
No site access is declared in the manifest, so it cannot read the pages you open on its own.
-
See the address and title of every tab you have open
tabs -
Run its own code on the pages it can access
scripting -
Act on the current tab, but only after you click it
activeTab
Show the remaining 2
-
Add items to the right-click menu
contextMenus -
Store data in your browser
storage
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
Khoa Nguyen publishes 8 listings we track, 68 users between them. Listed website: servercompass.app.
-
DNS Lens - DNS Lookup & Inspector 10 users
-
Uptime Pulse - Website Uptime Monitor 9 users
-
AI Memory Saver 6 users
Show 4 more from this publisher
-
API Bench - Quick REST API Tester 4 users
-
DevKit - Developer Toolbox 4 users
-
Regex Library - Pattern Collection & Tester 2 users (last published figure)
-
Quick File Tools 2 users (last published figure)
Like this one
Listings the catalog judges closest in what they say they do.
-
SecLens 8 users
-
HTTP Security Header Checker 11 users
-
Security Header Grader 9 users
-
Security Header Scanner 13 users
-
HeaderSentry 7 users
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
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[](https://extops.dev/extensions/mdabdpfgcebdmnijijdgnefmbooinmkg)<a href="https://extops.dev/extensions/mdabdpfgcebdmnijijdgnefmbooinmkg"><img src="https://extops.dev/extensions/mdabdpfgcebdmnijijdgnefmbooinmkg/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.