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Preview of ClaudeCompanion Monitor

ClaudeCompanion Monitor by rizmailov

Monitors Claude.ai API quota by extracting authentication data and sending it to the ClaudeCompanion desktop app. All data stays local - sent only to localhost:8383. Requires desktop app to function.

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Extension Metadata

About this extension
What does it do?

This extension works with the ClaudeCompanion desktop application to monitor your Claude.ai API usage quota in real-time.

Features
  • 🔍 Automatic detection when you visit claude.ai
  • 🔐 Extracts sessionKey cookie for API authentication
  • 📊 Sends data to desktop app for quota monitoring
  • 🖥️ All data stays on your computer (sent to localhost only)
  • 🔔 Desktop notifications when quota is low

How it works
  1. You visit claude.ai in Firefox
  2. Extension extracts your sessionKey cookie
  3. Extension calls Claude API to get organization UUID
  4. Data is sent to ClaudeCompanion desktop app (localhost:8383)
  5. Desktop app displays quota in system tray

Privacy

All data is sent ONLY to localhost:8383 (your computer).
No external servers. No tracking. No data collection.

See full privacy policy: https://github.com/irumil/ClaudeCompanion/blob/master/extension/PRIVACY.md

Requirements
  • ClaudeCompanion desktop application (download from GitHub)
  • Active Claude.ai account
  • Firefox 57+

Source Code

Open source: https://github.com/irumil/ClaudeCompanion

Support

Report issues: https://github.com/irumil/ClaudeCompanion/issues
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Permissions and data

Required permissions:

  • Display notifications to you
  • Access browser tabs
  • Access your data for claude.ai

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Add-on Links
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Version
1.0.0
Size
43.74 KB
Last updated
3 days ago (Dec 19, 2025)
Related Categories
  • Web Development
License
MIT License
Privacy Policy
Read the privacy policy for this add-on
Version History
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