A minimal browser extension that shows token count, cache timer, and usage bars on claude.ai.

Same-category comparison
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Name

Rank

Metrics

penecho/penecho

8,569

Language:: JavaScript
Stars:: 2,484
Forks:: 320
Description:: Think with AI beyond the chat box. A shared canvas for handwriting, equations, diagrams, and spatial reasoning.

blankly-finance/blankly

8,572

Language:: Python
Stars:: 2,480
Forks:: 313
Description:: 🚀 💸 Easily build, backtest and deploy your algo in just a few lines of code. Trade stocks, cryptos, and forex across exchanges w/ one package.

darrenburns/elia

8,574

Language:: Python
Stars:: 2,480
Forks:: 156
Description:: A snappy, keyboard-centric terminal user interface for interacting with large language models. Chat with ChatGPT, Claude, Llama 3, Phi 3, Mistral, Gemma and more.

dickreuter/Poker

8,575

Language:: Python
Stars:: 2,480
Forks:: 589
Description:: Fully functional Pokerbot that works on PartyPoker, PokerStars and GGPoker, scraping tables with Open-CV (adaptable via gui) or neural network and making decisions based on a genetic algorithm and montecarlo simulation for poker equity calculation. Binaries can be downloaded with this link:.

kaqijiang/Auto-GPT-ZH

8,585

Language:: Python
Stars:: 2,464
Forks:: 381

RAIT-09/obsidian-agent-client

8,598

Language:: TypeScript
Stars:: 2,449
Forks:: 224
Description:: Bring AI agents into Obsidian via Agent Client Protocol (ACP), such as Claude Code, Codex and Gemini CLI.

fossasia/susi_android

8,600

Language:: Kotlin
Stars:: 2,448
Forks:: 1,088
Description:: SUSI.AI Android App https://play.google.com/apps/testing/ai.susi.

ggozad/oterm

8,601

Language:: Python
Stars:: 2,448
Forks:: 140
Description:: the terminal client for LLMs.

Key parameters and specifications
Parameter	Value
Language	JavaScript
Category	Applications
Subcategory	Personal, Wrappers
Keywords	Client integration, Memory management, Tokenizer
Stars	2,465
Forks	290
Contributors	2
Created date	2025-12-17
Updated date	2026-10-15
Stars in 1 day	0
Stars in 7 days	11
Rank	8,584
Previous rank	3,807
Rank change	-4,777
7-day stars rank	3,787
Previous 7-day stars rank	3,622
7-day stars rank change	-165
Total stars rank	5,330
Previous total stars rank	5,322
Total stars rank change	-8

Parameter

Value

Language

JavaScript

Claude Counter

A minimal browser extension that shows token count, cache timer, and usage bars on claude.ai.

Features

Token count — Approximate token count for the current conversation, with a mini progress bar against the 200k context limit
Cache timer — Countdown showing how long the conversation remains cached (cheaper to continue)
Usage bars — Session (5-hour) and weekly (7-day) usage from Claude's native API, with progress bars and reset countdowns (more accurate than the rounded /usage page)

Installation

Chrome / Edge / Chromium

Download claude-counter-0.4.2.zip
Go to chrome://extensions and enable Developer mode
Drag and drop the zip onto the page

Firefox

Download claude-counter-0.4.2.xpi
Drag it into any Firefox window and click Add

Userscript

Install the userscript from claude-counter.user.js

How it works

Intercepts Claude's API responses to read conversation data and usage info
Uses a vendored tokenizer (o200k_base) for approximate token counting
Uses Claude’s /usage plus live SSE message_limit data; the SSE provides exact, unrounded utilization fractions, so the progress bars are more accurate than the rounded percentages shown on Claude’s native /usage page
Watches for DOM changes to inject UI elements as you navigate

Privacy

All data stays local — no external servers, no tracking
Reads your lastActiveOrg cookie to query Claude's /usage endpoint
Makes requests only to claude.ai

Credits

Token counting via gpt-tokenizer (MIT)
Inspired by Claude Usage Tracker by lugia19

License

MIT

claude-counter

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