Discovers and installs community skills from the public registry. Use when the user mentions a technology, framework, or task that could benefit from specialized skills not yet installed, asks 'how do I do X', 'find a skill for X', or starts work in a new technology area. Proactively suggest when the user's task involves tools or frameworks without existing skills.

Saves user instructions as persistent learnings for future sessions. Use when the user says 'remember this', 'always do X', 'from now on', 'never do Y', or gives any instruction they want persisted across sessions. Proactively suggest when the user states a preference, convention, or rule they clearly want followed in the future.

Adds a new deterministic scoring check to src/scoring/checks/ implementing the Check interface from src/scoring/index.ts. Point values from src/scoring/constants.ts. Checks receive dir:string and return Check[]. Use when user says 'add scoring check', 'new check', 'score X', or modifies src/scoring/. Do NOT use for LLM-based scoring, real-time validation, or checks requiring external API calls.