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Comment Siphon for Mercari

Chrome extension by commentsiphon · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 5 users, barely installed. Audience over the last 30 days: +4.

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
5
Rating
5.0 (1 ratings)
Users, last 30 days
+4
Rating, last 30 days
+5.00 in 30 days
Version
0.1.1
Updated in the store
2026-09-21
Published
2026-09-15
Manifest
V3
Browser access
5 permissions, 4 site patterns

How it has moved

Users
+4 since 02.10
1-5 · 12 readings
  1. 2026-10-053
  2. 2026-10-084
  3. 2026-10-134
  4. 2026-10-164
  5. 2026-10-183
  6. 2026-10-194
  7. 2026-10-213
  8. 2026-10-234
  9. 2026-10-255
  10. 2026-10-274
  11. 2026-10-294
  12. 2026-11-015
Rating
+5.00 since 02.10
reviewsrating 0.00-5.00 · 12 readings
  1. 2026-10-05reviews0rating0.00
  2. 2026-10-08reviews0rating0.00
  3. 2026-10-13reviews1rating5.00
  4. 2026-10-16reviews1rating5.00
  5. 2026-10-18reviews1rating5.00
  6. 2026-10-19reviews1rating5.00
  7. 2026-10-21reviews1rating5.00
  8. 2026-10-23reviews1rating5.00
  9. 2026-10-25reviews1rating5.00
  10. 2026-10-27reviews1rating5.00
  11. 2026-10-29reviews1rating5.00
  12. 2026-11-01reviews1rating5.00
Users
+4 since 16.09
1-5 · 13 readings
2026-09-16: appeared in the store2026-09-21: released 0.1.1
  1. 2026-09-161appeared in the store
  2. 2026-10-053
  3. 2026-10-084
  4. 2026-10-134
  5. 2026-10-164
  6. 2026-10-183
  7. 2026-10-194
  8. 2026-10-213
  9. 2026-10-234
  10. 2026-10-255
  11. 2026-10-274
  12. 2026-10-294
  13. 2026-11-015
Rating
+5.00 since 16.09
reviewsrating 0.00-5.00 · 13 readings
2026-09-16: appeared in the store2026-09-21: released 0.1.1
  1. 2026-09-16reviews0rating0.00appeared in the store
  2. 2026-10-05reviews0rating0.00
  3. 2026-10-08reviews0rating0.00
  4. 2026-10-13reviews1rating5.00
  5. 2026-10-16reviews1rating5.00
  6. 2026-10-18reviews1rating5.00
  7. 2026-10-19reviews1rating5.00
  8. 2026-10-21reviews1rating5.00
  9. 2026-10-23reviews1rating5.00
  10. 2026-10-25reviews1rating5.00
  11. 2026-10-27reviews1rating5.00
  12. 2026-10-29reviews1rating5.00
  13. 2026-11-01reviews1rating5.00

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

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

The full permission history for this extension

Version history

  1. Version 0.1.1

What changed recently

  1. Store description rewritten
  2. Released version 0.1.1 (was 0.1.0)
  3. Appeared in the store

The publisher

commentsiphon.

Like this one

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

  1. 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 1k users ★ 5.0
  2. 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)
  3. Merkit Describes nearly the same job, smaller audience 30 users ★ 3.7
  4. Reply Helper for Mercari Describes nearly the same job, smaller audience 5 users ★ 5.0
  5. メルショツール｜メルカリShops自動価格改定・一括値下げ Describes nearly the same job, smaller audience 55 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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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/mfgaoffbfglcjadephlkenjgodhfliac/badge.svg)](https://extops.dev/extensions/mfgaoffbfglcjadephlkenjgodhfliac)

HTML

<a href="https://extops.dev/extensions/mfgaoffbfglcjadephlkenjgodhfliac"><img src="https://extops.dev/extensions/mfgaoffbfglcjadephlkenjgodhfliac/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built