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plychess

Chrome extension by mrgirff · Productivity · Tools

A Chrome extension in Productivity · Tools with 4 users, barely installed.

Specific sites only: 4 match patterns.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
4
Rating
not rated yet
Users, last 11 days
unchanged
Version
0.1.0
Updated in the store
2025-10-29
Published
2025-10-29
Manifest
V3
Browser access
5 permissions, 4 site patterns

How it has moved

Users
unchanged since 01.09
3-5 · 7 readings
  1. 2026-09-014
  2. 2026-09-025
  3. 2026-09-043
  4. 2026-09-055
  5. 2026-09-074
  6. 2026-09-094
  7. 2026-09-114
Users
unchanged since 01.09
3-5 · 7 readings
  1. 2026-09-014
  2. 2026-09-025
  3. 2026-09-043
  4. 2026-09-055
  5. 2026-09-074
  6. 2026-09-094
  7. 2026-09-114

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 4 match patterns.

  • https://lichess.org/*
  • https://www.chess.com/*
  • https://api.chess.com/*
Show the remaining 1
  • https://openrouter.ai/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Run work in a hidden page offscreen
Show the remaining 2
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

mrgirff publishes 6 listings we track, 171 users between them.

  1. JWT Secrets & JSON Web Token Generator mrgirff · Productivity · Developer · published 2025-05-09 119 users
  2. Fun Translator mrgirff · Productivity · Education · published 2024-12-31 21 users ★ 5.0
  3. Aspect Ratio Calculator mrgirff · Productivity · Tools · published 2025-05-21 20 users
Show 2 more from this publisher
  1. Curvioo – Cursive Text Anywhere mrgirff · Lifestyle · Art · published 2026-07-27 7 users
  2. Kivide Prompt Studio mrgirff · Productivity · Tools · published 2026-08-06 0 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Lichess AI Coach Describes nearly the same job, smaller audience 723 users ★ 4.3
  2. Lichess4Chess Describes nearly the same job, smaller audience 110 users ★ 5.0
  3. Post-Game Chess Coach Describes nearly the same job, smaller audience 5 users ★ 5.0
  4. Chess.com & Lichess Game Review by Chess.day Describes nearly the same job, smaller audience 291 users ★ 5.0
  5. BoardGPT Describes nearly the same job, smaller audience 6 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.