Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.

simple mbtiles server

Production-grade engineering skills for AI coding agents.

Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.

Email marketing skill for Claude Code. 55K words, 908 sources, 19 industry playbooks. Install the skill and Claude becomes your email marketing expert.

A reference software factory for Claude Code and Codex

Multiplatform system monitoring tool using Cosmopolitan Libc

A collection of skills for AI coding agents working with Azure Cosmos DB. Skills are packaged instructions and scripts that extend agent capabilities.