AIUsage shows where your AI coding spend actually went: it reads the session logs that Claude Code, Codex, Cursor, OpenCode, Copilot, Gemini CLI, and many other assistants leave behind, then turns them into one dashboard with tokens, estimated dollars, and activity. The Overview page totals tokens, cost, active days, and sessions for today, this week, this month, or all time, and filters by tool or device. Cost and Tokens pages chart daily spending and input, output, cache, and thinking usage, and Models ranks every model by share. The Sessions table lists duration, tool count, and cost per session, and a detail view walks through each API call and the tools it triggered. Tool Calls shows which built-in, MCP, and skill actions agents use most, Projects ranks directories by spend, and Quotas tracks subscription limits. Optional sync through GitHub, S3, R2, or MinIO merges several machines, and a public leaderboard accepts aggregate totals only. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.