Claude Prompt Meter

Gallery

About

A side project I built for my own Claude Code workflow and finally shipped to both VS Code Marketplace and Open VSX. Disclosure: I'm the author; free + open-source (MIT). The itch: when you use Claude Code a lot, you can't see what any single prompt actually costs — most tools show only session totals or rely on an API. I wanted a per-prompt breakdown that stays fully local. How it works: it reads Claude Code's local session logs (the *.jsonl files under ~/.claude/projects), pulls ea...