Noos - Where Thought, Code, and Craft Converge

Hieratic Prompt Compression: From Prototype to Production

3 minute read Published: 2026-02-20

Tokuin v0.2.0 is here with the feature I promised: rule-based, structure-aware prompt compression. Here's how it works and why you might actually use it.

Exploring PostgreSQL Row-Level Security

5 minute read Published: 2026-01-06

PostgreSQL Row-Level Security (RLS) implementation guide for multi-tenant applications. Real-world lessons, surprises, and best practices for database security.

GitHub Actions Won't Charge You (Probably)

4 minute read Published: 2025-12-16

GitHub Actions pricing 2026: What's free, what changed, and how to avoid charges. Complete breakdown of GitHub Actions costs for public and private repositories.

Hieratic Prompt Compression: Ambitious Prototype or Superpower?

9 minute read Published: 2025-11-16

Exploring rule-based prompt compression for LLMs: structure-aware compression that reduces tokens by 66% without losing semantic meaning. A technical proposal for Tokuin.

Tokuin: Token Intelligence for LLM Developers

4 minute read Published: 2025-11-07

Tokuin: A Rust CLI for LLM token counting, cost estimation, and load testing. Analyze prompts, compare models, and test APIs with reliable token intelligence.