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AtCoder Senpai

Chrome extension by kakira9618 · Productivity · Tools

A Chrome extension in Productivity · Tools with 141 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 4 match patterns.

What the developer says, and 4 screenshots

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

Users
141
Rating
not rated yet
Users, last 30 days
+1
Version
1.0.2
Updated in the store
2026-03-09
Published
2026-02-05
Manifest
V3
Browser access
2 permissions, 4 site patterns

How it has moved

Users
+1 since 07.10
135-144 · 14 readings
  1. 2026-10-08139
  2. 2026-10-09138
  3. 2026-10-10141
  4. 2026-10-13143
  5. 2026-10-16144
  6. 2026-10-19143
  7. 2026-10-21137
  8. 2026-10-23135
  9. 2026-10-24138
  10. 2026-10-28141
  11. 2026-10-30143
  12. 2026-11-01143
  13. 2026-11-04141
  14. 2026-11-05141
Users
unchanged since 31.08
130-144 · 27 readings
  1. 2026-08-31141
  2. 2026-09-03138
  3. 2026-09-04130
  4. 2026-09-06133
  5. 2026-09-07136
  6. 2026-09-08134
  7. 2026-09-10135
  8. 2026-09-15132
  9. 2026-09-17135
  10. 2026-09-20132
  11. 2026-09-21134
  12. 2026-09-28135
  13. 2026-10-04140
  14. 2026-10-08139
  15. 2026-10-09138
  16. 2026-10-10141
  17. 2026-10-13143
  18. 2026-10-16144
  19. 2026-10-19143
  20. 2026-10-21137
  21. 2026-10-23135
  22. 2026-10-24138
  23. 2026-10-28141
  24. 2026-10-30143
  25. 2026-11-01143
  26. 2026-11-04141
  27. 2026-11-05141

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://atcoder.jp/*
  • https://api.openai.com/v1/*
  • https://generativelanguage.googleapis.com/v1beta/*
Show the remaining 1
  • https://api.anthropic.com/v1/*

The full permission history for this extension

What changed recently

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

The publisher

kakira9618 publishes 2 listings we track, 152 users between them.

  1. PlayPage kakira9618 · Productivity · Tools · published 2026-02-02 11 users

Like this one

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

  1. Atcoder Companion Describes nearly the same job, smaller audience 2k users ★ 5.0
  2. AtCoder Contest Kit Describes nearly the same job, smaller audience 1 user
  3. AC Analytics Describes nearly the same job, smaller audience 1k users ★ 4.4
  4. LeetHelp Describes nearly the same job, smaller audience 9 users ★ 5.0
  5. CFCoach Describes nearly the same job, smaller audience 215 users ★ 5.0

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/fpjjeablidbinklnmidpjdiaepgkjkpj/badge.svg)](https://extops.dev/extensions/fpjjeablidbinklnmidpjdiaepgkjkpj)

HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-04. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built