Largely lean executable code with tight operational commentary, but the repeated '(Per [factory_bot-readme][readme].)' attributions (six occurrences) after the README is already linked, plus a few comparative/rationale sentences (the Faker split, the DRY justification), could be tightened — matching 'mostly efficient but could be tightened' rather than 'every token earns its place'.

Fully executable, copy-paste-ready Ruby throughout — factories, sequences, associations, traits, Faker integration, RSpec/Minitest config, and a complete worked example — with no pseudocode gaps.

The 'How to use' section is a clearly sequenced 7-step process ending in 'assert on the returned object' as a verification step; factory authoring is not a destructive/batch operation, so the missing-validation cap does not apply.

The body is an overview that delegates the build-strategy table and anti-pattern catalog to the verified one-level-deep reference references/strategies-and-anti-patterns.md, with clearly signaled links and well-organized sections.

Lists multiple concrete actions — authoring factories with traits, associations, sequences, and build strategies; integrating RSpec/Minitest; pairing with Faker — matching the 'lists multiple specific concrete actions' anchor rather than the narrower score-2.

Explicitly answers what it does (authors/integrates/pairs) and when to use it via the explicit 'Use when the project is Ruby / Rails and needs structured fixture creation' trigger clause.

Covers natural terms a Ruby developer would actually say — 'Ruby', 'Rails', 'FactoryBot', 'factories', 'RSpec', 'Minitest', 'Faker', 'test suites', 'fixture creation' — giving good coverage rather than just some relevant keywords.

Scoped to a specific library (FactoryBot) in a specific language (Ruby/Rails) with a clear niche distinct from sibling skills like faker-data, so it is unlikely to trigger for the wrong skill.