kapynDev Tools

Cost.dev (YC W21) – making agents cost-aware and cheaper to call

Cost.dev is a new CLI tool designed to make AI agent calls more cost-effective. It optimizes token usage, cutting Claude's output token usage by up to 79% and API costs by up to 67% compared to a baseline. This tool provides deterministic cost analysis for cloud resources, allowing developers to make more informed decisions before agent deployment.

Hacker News·Jun 4, 2026

Opening Kapyn…