Show HN: Kompressor – deterministic prompt compression for coding agents

Category: devtools

Tags: prompt-compression, coding-agents, llm-optimization, rust, proxy

Score: 7.0/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 7)

OptScale Kompressor is a Rust-based proxy that deterministically compresses tool outputs in coding agent prompts, reducing token costs while preserving prompt-cache compatibility. It achieves 22.7% cost savings on Terminal-Bench 2.1, outperforming similar tools like Headroom, and ensures every removed detail remains retrievable.

Target audience: backend developers, devops, AI engineers

Repository: https://github.com/hystax/optscale-kompressor · Rust · MIT · 22 stars

View on Hacker News