What problem does it solve? When using the caveman terse-communication system, it is easy to forget which slash commands activate which compression modes or what sibling skills exist. This Skill prints a single reference card so you never have to hunt through documentation mid-session. ## Core Features & Use Cases - Mode Reference: Lists all six compression modes (lite, full, ultra, wenyan-lite, wenyan, wenyan-ultra) with their triggers and effects. - Skill Directory: Shows sibling skills such as caveman-commit, caveman-review, and caveman-compress with their invocation commands. - Configuration Guide: Explains how to set the default mode via the CAVEMAN_DEFAULT_MODE environment variable or a JSON config file. - Use Case: You remember caveman has a classical Chinese mode but forget the exact command; invoke the help card to see it is /caveman wenyan. ## Quick Start Ask the assistant to show the caveman help reference card to see all available modes and commands.