Guide for developing CommonTools patterns (TypeScript modules that define reactive data transformations with UI). Use this skill when creating patterns, modifying existing patterns, linking patches (instantiated patterns), debugging pattern errors, or working with the pattern framework. Triggers include requests like "build a pattern", "fix this pattern error", "deploy this charm/patch", "link these charms", or questions about handlers, cells, and reactive patterns.

Guide for using the ct (CommonTools) binary to interact with pieces, recipes, and the Common Fabric. Use this skill when deploying recipes, managing pieces, linking data between pieces, or debugging recipe execution. Triggers include requests to "deploy this recipe", "call a handler", "link these pieces", "get data from piece", or "test this recipe locally".