Lean and efficient: it assumes Claude's competence with git and gofmt and never explains concepts Claude already knows; every line is concrete guidance or an executable command rather than the 2-anchor's mild padding.

Provides concrete, copy-paste-ready commands (git tag/log/diff/shortlog, gofmt) and concrete file globs in Search Hints (cmd/**/assets/*.md, Long: fields), fully actionable rather than the abstract or pseudocode guidance at lower anchors.

Five clearly sequenced steps culminate in an explicit Validate step (gofmt, targeted tests, review git diff/stat, preserve staged state), giving the validation checkpoint and feedback the rubric requires; not capped at 2 because validation is present.

No bundle files exist, so the body is appropriately self-contained and well-sectioned (Workflow / Search Hints / Final Response), with Search Hints serving as clear navigation pointers to file locations rather than a monolithic wall or nested references.

Lists multiple concrete actions (summarize changes since a tag, update WHATSNEW.md/changelog, update CONTRIBUTORS.md, audit command help/docs, verify release doc consistency), matching the 'lists multiple specific concrete actions' anchor rather than the partial-coverage anchor at 2.

Explicitly answers both what ('Prepare this repository for a release') and when ('Use when asked to do pre-release checks...'), with an explicit 'Use when' trigger clause; imperative voice matches the good examples.

Uses natural phrasing a user would actually say ('pre-release checks', 'summarize changes since a previous tag', 'update WHATSNEW.md or changelog entries', 'CONTRIBUTORS.md'), giving good coverage of common variations.

A clear repository release-prep niche anchored by specific files and triggers (WHATSNEW.md, CONTRIBUTORS.md, release-visible docs), making it unlikely to fire for unrelated skills.