Conciseness

The body is 26 lines of pure rules — "Branch from `main`", "subject line of at most 72 characters", "Request review from at least one code owner" — with zero explanation of concepts Claude already knows and no padding. This matches anchor 5 ("Lean and efficient; assumes Claude's competence; every token earns its place"); the slight overlap between the commit rules and `references/COMMIT_STYLE.md` serves as a summary pointer, not over-explanation, so it does not drop to 4.

Actionability

Guidance is largely concrete and executable: "Name branches `<type>/<short-description>`, where `<type>` is one of `feat`, `fix`, `docs`, or `chore`" and "Open pull requests against `main`" are precise, unambiguous instructions. It falls short of anchor 5 because "Fill in the template in `templates/PULL_REQUEST.md`" points to a file that does not exist in the bundle, leaving the PR step not fully executable as written.

Workflow Clarity

This is a simple, under-50-line skill whose three sections (Branches → Commits → Pull requests) follow the natural task order, and each instruction is unambiguous with no missing detail — matching the simple-skill exception where a clearly organized single-purpose skill can score 5. No validation checkpoints are required because the operations are not destructive or batch operations, so the cap does not apply; anchor 4's "minor validation gaps" would only fit a multi-step process needing checkpoints.

Progressive Disclosure

The structure is good: an overview ("Use this skill whenever you create branches, commits, or pull requests"), clearly headed sections, and a well-signaled one-level-deep reference ("See `references/COMMIT_STYLE.md` for the full style guide and examples") that exists in the bundle. It is not a 5 because the body also references `templates/PULL_REQUEST.md`, which is absent from the bundle — a broken navigation path that constitutes the "minor organization gaps" of anchor 4.

Specificity

The phrase "Follow this team's Git conventions for branching, commit messages, and pull requests" names the domain and enumerates three scope areas, but the single action verb "Follow ... conventions" is generic — it never states what is actually done (e.g. how branches are named or how messages are formatted). This matches anchor 3 ("Names domain and 1-2 concrete actions, but not comprehensive") better than anchor 4, which expects several distinct specific actions like "Extracts text from PDF files, fills forms, converts pages to images".

Completeness

The 'what' is reasonably clear ("Follow this team's Git conventions for branching, commit messages, and pull requests") but the 'when' is entirely absent — there is no "Use when..." clause or equivalent trigger guidance, which caps completeness at 3 per the judging guidelines. It is not a 2 because the 'what' is not vague: it names three concrete areas of convention.

Trigger Term Quality

"branching, commit messages, and pull requests" are exactly the natural phrases users would say when needing this skill, giving good keyword coverage. It falls short of anchor 5 because common variations and synonyms such as "commits", "PR", "PRs", or "merge" are absent — matching anchor 4 ("Good keyword coverage; a few natural terms missing").

Distinctiveness Conflict Risk

"Follow this team's Git conventions" carves a clear niche around team-specific Git process with distinct triggers (branching, commit messages, pull requests), so it is mostly distinct. It is not a 5 because a closely related skill (e.g., a generic commit-message generator) could overlap for the commit-message trigger; it is clearly above anchor 3 since the team-conventions framing is far more specific than "Works with document files".