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title: An ESP32-S3 desktop display that tracks AI coding...
description: Fractal Manifold has launched the Token Monitor on Kickstarter — a 4-inch ESP32-S3-based desktop display for tracking real-time AI coding assistant usage. It...
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og:description: Fractal Manifold has launched the Token Monitor on Kickstarter — a 4-inch ESP32-S3-based desktop display for tracking real-time AI coding assistant usage. It...
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# An ESP32-S3 desktop display that tracks AI coding assistant usage (Crowdfunding)

**[CNX Software](https://daily.dev/sources/cnx-software)** · 4 min read · 0 upvotes · 0 comments

## Summary

Fractal Manifold has launched the Token Monitor on Kickstarter — a 4-inch ESP32-S3-based desktop display for tracking real-time AI coding assistant usage. It features a 480×480 IPS touchscreen, Wi-Fi 4, Bluetooth LE 5, and optional Li-ion battery. A local open-source broker (Apache-2.0) runs on Mac or Linux, parses CLI logs, and fetches usage quotas from provider APIs over HMAC-signed LAN requests, keeping credentials local. It supports Claude Code, Codex CLI, and Antigravity CLI out of the box. The broker also acts as an MCP server exposing 17 hardware management tools to AI assistants. Firmware is LVGL-based with light/dark themes, sunrise/sunset sync, and customizable data panels. Super Early Bird pricing starts at €99, with first units expected to ship in November 2026.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.cnx-software.com/2026/08/07/token-monitor-an-esp32-s3-desktop-display-that-tracks-ai-coding-assistant-usage>

## Questions this post answers

### What AI coding assistants does the Token Monitor support out of the box?

Token Monitor supports Claude Code, Codex CLI, and Antigravity CLI out of the box. A local open-source broker (tokenmonitor-mcp) parses CLI logs and fetches usage quotas from provider APIs. The broker also acts as an MCP server exposing 17 hardware management tools to those AI assistants, enabling provisioning, OTA updates, and Wi-Fi credential management directly from the AI CLI.

_Developers tracking AI coding tool costs and quotas follow hardware like this on daily.dev._

### What runtime environment does the Token Monitor local broker require?

The Token Monitor broker requires Node.js version 20 or higher, Python 3.11+ (installable via uv, pip, or venv), or Go version 1.25 or higher. It runs on Mac or Linux, listens on port 8765 using HMAC-signed replay-protected requests, and transmits no telemetry or raw code externally — credentials stay on the user's machine.

_Teams evaluating self-hosted AI usage monitoring tools find relevant comparisons on daily.dev._

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---

Tags: [#iot](https://daily.dev/tags/iot), [#ai-coding](https://daily.dev/tags/ai-coding), [#mcp](https://daily.dev/tags/mcp), [#embedded](https://daily.dev/tags/embedded)

[View this post on daily.dev](https://daily.dev/posts/an-esp32-s3-desktop-display-that-tracks-ai-coding-assistant-usage-crowdfunding--1qrljcbuc)

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