The body is mostly lean and assumes Claude's competence, but it repeats content already in the description (the MANDATORY restatement, editor types listed in three places, and the drafts-folder note stated twice), so it could be tightened. Not a 3 because not every token earns its place; not a 2-below because it avoids explaining concepts Claude already knows.

Provides a concrete parameter table, a copy-paste-ready JSON payload, and a precise decision tree for resolving planKey (single vs. multiple plans), giving fully executable guidance for the MCP tool call.

A clear three-step sequence (resolve planKey -> call create_new_file -> use the result) with a decision tree and an explicit handoff note to load figma-use. File creation is non-destructive, so the absence of a validate-fix-retry loop does not cap the score per the rubric's feedback-loop guidance.

Content is organized into well-separated sections (Arguments, Workflow, Important Notes, Editor-specific notes) with one clearly signaled, one-level-deep reference (figma-use-slides slide-grid) for an edge case, keeping the overview clean.

Lists concrete creation outcomes ("a new design, FigJam, or Slides file") rather than vague language, but it is fundamentally one action with type variants, not multiple distinct actions. Reduced by one for pervasive second-person voice ("you MUST invoke", "you need a fresh file") per the rubric's voice guideline.

Explicitly states what it does (create a new blank Figma file of three editor types) and when to use it ("Trigger whenever the user wants a new blank Figma file ... or when you need a fresh file before calling use_figma"), satisfying both what and when.

Natural user phrasing is well covered ("new blank Figma file", "new design", "FigJam", "Slides", "fresh file") with an explicit "Trigger whenever" clause, matching the high-coverage anchor.

The niche is narrow and distinct (creating new files via create_new_file, explicitly separated from use_figma), with triggers unlikely to fire for unrelated skills.