Much of the body is tool-specific knowledge Claude lacks (officecli syntax, shell-quoting traps like '\$' not being interpreted, exact QA gate scripts), but at 586 lines it also carries large prescriptive tables (8-row font pairings, 10 color themes, layout-pattern and 'what to avoid' lists) that are partly general design advice and could be tightened, matching 'mostly efficient but could be tightened' rather than the 'every token earns its place' level above; it does not pad with concepts Claude already knows, so it is not a 1.

The body is fully executable: copy-paste bash commands with exact props, a runnable Quick Start, batch-heredoc recipes (a)-(f) with computed coordinates, and concrete QA gate scripts — a clear match to 'fully executable code/commands; copy-paste ready' and above the 'pseudocode / incomplete' level below.

It provides a sequenced 7-step Common Workflow plus QA Gates 1/2/2b/3 with explicit validation commands and a fix-verify loop capped at 3 cycles, matching 'clear sequence with explicit validation steps; feedback loops for error recovery; checklists' — well above the 'validation gaps' level below, with validation emphatically present for these batch/destructive operations.

No bundle files exist (references/, scripts/, assets/ are absent) and the skill is a single 586-line SKILL.md; internally it is well-sectioned, but well over the 50-line simple-skill threshold with design tables and recipes kept inline that could be split into reference files, matching 'some structure but content that should be separate is inline' rather than the 'appropriately split with one-level-deep references' level above; organization is good with no nested references, so it is not a 1.

The description enumerates many concrete actions ('creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text... editing, modifying, or updating... combining or splitting slide files; working with templates, layouts, speaker notes, or comments'), matching the score-3 anchor, but it leads with the second-person imperative 'Use this skill any time a .pptx file is involved' rather than a third-person capability statement, so the rubric's second-person penalty reduces it by one.

It explicitly answers both 'what' (the action list) and 'when' ('Trigger whenever the user mentions "deck", "slides", "presentation", "pitch", or references a .pptx filename'), the clearest match to the score-3 anchor with explicit triggers, not the implied-only level below.

It gives strong natural-term coverage users would actually say — 'deck', 'slides', 'presentation', 'pitch', and '.pptx filename' — matching the 'good coverage of natural terms' anchor rather than the 'some relevant keywords but missing common variations' level below.

It is anchored tightly to the .pptx/presentation niche with distinct triggers ('.pptx file', 'deck', 'pitch'), making it unlikely to fire for unrelated skills; this matches the 'clear niche with distinct triggers' anchor rather than the 'somewhat specific but could overlap' level below.