CPOS Companion

Name: CPOS Companion
Author: aggarwalsoham3

Capture Codeforces and CSES problems for the CPOS VS Code extension. All data stays on your computer (localhost only).

As of June 2026, CPOS Companion has 108 users in the Developer Tools category.

aggarwalsoham3 Developer Tools

Chrome Web Store ↗.crx

Users0%

108

Rating0%

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— reviews

Reviews0%

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Version

0.6.14

Manifest V3

90-day change · In the last 90 days this extension 1 version update, changed permissions.

History

2 snapshots

Tracking since Jun 2, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.

View as table

Date	Users	Rating	Reviews	Version
Jun 2, 2026	—	—	—	0.6.5
Jun 8, 2026	—	—	—	0.6.5
Now	108	—	—	0.6.14

Changelog

Jun 8, 2026
permissions
```
scripting, tabs
```
```
scripting, tabs, alarms
```

Permissions & access

Permissions: scriptingtabsalarms
Host access: http://127.0.0.1:27121/*, http://127.0.0.1:27122/*, https://codeforces.com/*, https://cses.fi/*

Screenshots

About

CPOS Companion connects your browser to CPOS — a competitive programming workflow for VS Code and the CPOS desktop app.

WHAT IT DOES
• When you open a Codeforces or CSES problem, captures public sample tests and sends them to CPOS on your machine
• When you click Submit in CPOS (VS Code or TUI), autofills the submit page in your logged-in browser tab
• On CSES problem lists, can sync solved/attempted status to CPOS when you choose to sync

REQUIRES
• CPOS VS Code extension and/or CPOS desktop app running locally
• You must be logged in to Codeforces or CSES in this browser for submissions

PRIVACY
• No analytics, no accounts, no cloud servers
• All communication is to 127.0.0.1 on your computer only
• Full privacy policy: https://github.com/Soham109/cpos/blob/main/extensions/chrome/PRIVACY.md

Open source: https://github.com/Soham109/cpos
VS Code extension: https://marketplace.visualstudio.com/items?itemName=sohamaggarwal.cpos-vscode

Technical

Version: 0.6.14
Manifest: V3
Size: 23.6KiB
Min Chrome: 88
Languages: 1
Featured: No

Metadata

ID: gjnbapmjonegeeamdeahcoojgokeogmm
Developer ID: u60dc61238bdd47fc1f5e4be844e43073
Developer Email: [email protected]
Created: Jun 1, 2026
Last Updated (Store): Jun 6, 2026
Last Scraped: Jun 8, 2026
Website: —
Support URL: https://github.com/Soham109/cpos/issues
Privacy Policy: https://github.com/Soham109/cpos/blob/main/extensions/chrome/PRIVACY.md

Data sourced from the Chrome Web Store · last verified Jun 8, 2026.