Show HN: CostClaw, a local CLI that finds your Claude Code spend leaks

CostClaw, a new local CLI tool, analyzes Claude Code usage and found $1,284.50 in recoverable spend from cache misses across 1,840 sessions and 41 projects, with a total spend of $6,240.18 and a 95.1% cache hit rate. The tool provides an overall setup score of 88/100 and recommends stabilizing session starts to reuse the prompt cache, potentially saving $1,284.50.

~/.claude/projects 1840 sessions · 41 projects · CLAUDE.md found Recoverable spend $1,284.50 cache-miss exposure - Spend analyzed - $6,240.18 - Cache hit - 95.1% - Active hours - 538 Model spend opus 58% / sonnet 33% / haiku 9% Overall setup score 88 / 100 Tight - CLAUDE.md quality 78 - Context hygiene 95 - Prompting patterns 92 - Session management 84 - Tool and MCP config 100 - Cost discipline 70 Top fix by recoverable spend $1,284.50 Recover spend lost to cache misses Keep the start of each session stable so the prompt cache is reused instead of rebuilt. - $52.40 Use a cheaper model for 61 small sessions - $18.90 Compact four long sessions that lost the cache - warn Workflow and subagent runs cost $214 - warn Three projects fire one tool 100+ times per session