What problem does it solve? Verifying that an organized knowledge vault still conforms to the Map Your Knowledge (MYK) protocol is tedious and error-prone by hand, and vague "looks fine" verdicts hide real drift. This Skill runs deterministic, read-only conformance checks and always reports exactly what was checked and what was not. ## Core Features & Use Cases - Deterministic conformance checking: A bundled Node.js script validates owner declarations, reciprocal spine links, address forms, frontmatter meta containers, archive consistency, case-fold collisions, exclusion integrity, and link-resolution closure against named MYK rule sources. - Honest verdicts: Unqualified "all clear" results are banned; every report lists the checks run, the inventory source, the mode (FULL or DEGRADED), and the categories not checked. - Fail-closed scope resolution: Ambiguous scopes, unreadable boundaries, and inventory caps produce typed errors rather than false passes. - Use Case: After reorganizing an Obsidian vault, ask the agent to "check this map" to confirm every note still declares a valid owner map and that no dangling or ambiguous links were introduced. ## Quick Start Ask the agent to run map-check on your vault by saying "check this map" or "/map-check" with the target scope path.