Show HN: I built Tokenyst to stop getting shocked by Claude Code API bills

Category: cli-tool

Tags: claude-code, api-costs, cli-tool

Score: 5.3/10 (Innovation: 4, Technical: 5, Documentation: 6, Utility: 6)

Tokenyst is a lightweight CLI tool that tracks token usage and API costs for Claude Code sessions, helping developers avoid unexpected bills. It automatically parses session transcripts to calculate spend against user-defined budgets and stores all data locally. The project is interesting because it addresses a practical pain point for indie developers and teams using Claude Code with tight cost constraints.

Target audience: backend devs, indie developers, ai agents users

Repository: https://github.com/jher7/tokenyst · TypeScript · MIT · 1 stars

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