coldhighsun

AIUsageMonitor — Data skill for Claude Code

Data community

Read-only CLI/WPF analytics for Claude Code's local usage data — usage reports, model breakdowns, and cost estimates without calling the Anthropic API.

How to install AIUsageMonitor

This entry records only its repository, not the path inside it, so there is no exact command to give. Open coldhighsun/AIUsageMonitor and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What AIUsageMonitor does

Read-only CLI/WPF analytics for Claude Code's local usage data — usage reports, model breakdowns, and cost estimates without calling the Anthropic API.

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README

AIUsageMonitor

[![CI](https://github.com/coldhighsun/AIUsageMonitor/actions/workflows/ci.yml/badge.svg)](https://github.com/coldhighsun/AIUsageMonitor/actions/workflows/ci.yml) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE) [![.NET](https://img.shields.io/badge/.NET-10.0-512BD4?logo=dotnet&logoColor=white)](https://dotnet.microsoft.com/) [![GitHub release](https://img.shields.io/github/v/release/coldhighsun/AIUsageMonitor?logo=github)](https://github.com/coldhighsun/AIUsageMonitor/releases/latest) [![GitHub Release Downloads](https://img.shields.io/github/downloads/coldhighsun/AIUsageMonitor/total?logo=github&label=release%20downloads)](https://github.com/coldhighsun/AIUsageMonitor/releases) [![NuGet Tool Downloads](https://img.shields.io/nuget/dt/AIUsageMonitor.Cli?logo=nuget&label=nuget%20downloads)](https://www.nuget.org/packages/AIUsageMonitor.Cli) [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20cross--platform%20CLI-0078D6?logo=windows&logoColor=white)](#projects) [![GitHub last commit](https://img.shields.io/github/last-commit/coldhighsun/AIUsageMonitor)](https://github.com/coldhighsun/AIUsageMonitor/commits/main)

[English](#english) | [中文](#chinese)

English

A read-only analytics layer over Claude Code's own local usage data. It never calls the Anthropic API — it reads the files Claude Code already writes under `~/.claude` (`stats-cache.json`, `history.jsonl`, `projects/*.jsonl` session transcripts) and turns them into daily/period/model/hourly/session usage reports and cost estimates.

Projects

AIUsageMonitor.Core — class library with the data parsing and analytics engine. No dependency on Cli/WPF.
AIUsageMonitor.Cli — console app (aimon) exposing usage reports as CLI commands.
AIUsageMonitor.WPF — Windows desktop dashboard (WPF, Windows-only).