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Token-Monitor: Track AI Costs

Name: Token-Monitor: Track AI Costs
Author: Javis603

Get real-time token and cost insights with Token-Monitor, a multi-device sync widget for AI tools, designed for founders using Claude Code, Codex, and more.

1,599 stars144 forksJavaScriptHealth Score 9/10Updated 8/22/2026100% free · open source

What it does

Token-Monitor provides real-time insights into token and cost usage for AI tools like Claude Code and Codex, with multi-device sync capabilities.

Install / run

git clone https://github.com/Javis603/token-monitor.git && cd token-monitor

When to use it

•When you need to track and manage AI token usage across multiple devices and team members
•When you want to monitor and limit AI costs in real-time to avoid unexpected expenses
•When you are using multiple AI tools and need a unified dashboard to monitor token and cost usage

Quick start

1Run `npm install` to install required dependencies
2Configure your AI tool credentials in the `config.json` file
3Start the Token-Monitor server with `npm start`
4Access the Token-Monitor dashboard at `http://localhost:3000`
5Configure multi-device sync by following the instructions in the `README.md` file

Ready-to-paste prompt

Open `config.json` and add your Claude Code API key: `{ "claudeCode": { "apiKey": "YOUR_API_KEY_HERE" } }`

Heads up: Make sure you have Node.js (version 16 or higher) installed on your system, as Token-Monitor requires it to run

Saves to your device

Topics

ai-tools

antigravity

claude-code

codex

cursor

deepseek

deepseek-harness

dsh

hermes-agent

linux

llm

local-first

macos

openclaw

opencode

self-hosted

token-tracker

token-usage

windows

How Token-Monitor: Track AI Costs works

Codeflow

Free to inspect

Token-Monitor: Track AI Costs is a very large JavaScript project (~78k lines across 257 code files, plus 286 test files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, MIT license, has a test suite.

Size

Very large codebase

~78k lines · 257 code files · days to read — use, don't read

Setup

Developer setup

A real software project. Use it via its install path; don't expect to read it all.

Runs on

Node.js

Needs API keys (.env)