The body is lean and sectioned, assumes Claude's competence (no explanation of git or branching concepts), and every section provides actionable guidance; the near-identical per-platform command lines are necessary structural detail rather than padding.

It gives exact copy-paste-ready script invocations with explicit flags (e.g. `create-new-feature.sh --json --short-name "<short-name>"`), an exact prerequisite check command, and a clear "Do NOT pass --number" guard, matching the fully-executable score-3 anchor.

The process is clearly sequenced (Prerequisites -> Branch Numbering Mode -> Execution -> Output) with an explicit git-availability validation checkpoint and a graceful-degradation error-recovery path, which for this single-task skill satisfies the score-3 anchor.

No bundle files are present and none are needed; the single-task skill is organized into clear, well-signaled sections with no nested or deep references, matching the simple-skill allowance for a score-3 on well-organized content.

It names a concrete action ("Create a feature branch") and a specific capability ("sequential or timestamp numbering"), but offers only a single action rather than a list of multiple concrete actions, matching the score-2 anchor.

The "what" is explicit (create a feature branch with numbering), but there is no "Use when..." trigger clause or equivalent explicit "when" guidance, which per the guidelines caps completeness at 2.

"feature branch" is a natural term a spec-kit user would say, but the description omits common variations such as "git branch" or "new branch", fitting the score-2 anchor of some relevant keywords missing common variations.

The numbering detail narrows the niche, but the core phrase "Create a feature branch" overlaps with generic git-branch workflows and could trigger for unrelated branch-creation skills, matching the score-2 anchor.