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Comment Siphon for Mercari

Chrome extension by commentsiphon · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 1 users, barely installed.

Specific sites only: 4 match patterns.

What the developer says, and 5 screenshots

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

Users
1
Rating
not rated yet
Users, last 2 days
unchanged
Version
0.1.0
Updated in the store
2026-09-15
Published
2026-09-15
Manifest
V3
Browser access
5 permissions, 4 site patterns

How it has moved

Users
unchanged since 16.09
1 · 2 readings
2026-09-16: appeared in the store
  1. 2026-09-161appeared in the store
  2. 2026-09-171
Users
unchanged since 16.09
1 · 2 readings
2026-09-16: appeared in the store
  1. 2026-09-161appeared in the store
  2. 2026-09-171

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://jp.mercari.com/*
  • https://api.mercari.jp/*
  • https://publish.x.com/*
Show the remaining 1
  • https://cs-api.narabiba.com/*
  • See the address and title of every tab you have open tabs
  • Sign you in with a Google account identity
  • Schedule work to run later alarms
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

  1. Appeared in the store

The publisher

commentsiphon.

Like this one

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

  1. MercariPricer - Smart Pricing for Sellers Describes nearly the same job, smaller audience 5 users
  2. Merkit Describes nearly the same job, smaller audience 25 users ★ 3.7
  3. メルカリ 自動一括値下げ・セールコメント｜メルタイム Describes nearly the same job, smaller audience 915 users ★ 5.0
  4. メルカリ交渉アシスタント (非公式) Describes nearly the same job, smaller audience 3 users (last published figure)
  5. Product Relister for Mercari Describes nearly the same job, smaller audience 1k users ★ 4.7

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.

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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.