Conciseness

The body is mostly efficient (tight tsconfig block, one representative entity, one DataSource config, bullet Quick Guidance), but the 'You are an expert...' role line and the Core Principles section — 'Works in Node.js, Browser, Ionic, Cordova, React Native, NativeScript, Expo, and Electron', 'First-class support for database migrations' — are brochure filler Claude does not need. This is a distinct padded section beyond anchor 4's 'minor instances of over-explanation', matching anchor 3.

Actionability

Everything instructs with runnable artifacts: a complete tsconfig JSON, a fully imported executable entity example, a copy-paste DataSource configuration with env handling, concrete repository method names ('find, findOne, create, save, update, delete, and softDelete'), and two scaffold scripts with usage lines. Matches the score-5 anchor: copy-paste ready and covering the common cases.

Workflow Clarity

Prescriptive rules are clear ('Always release() a QueryRunner in a finally block', 'Never use synchronize: true in production'), but the skill covers migrations and schema changes — database operations the rubric's feedback-loop note flags — without any generate → review → run → verify sequence or validation checkpoint. Per the cap guidance for database operations without validation, this cannot exceed 3; it is not 2 because the guidance that exists is coherent and specific.

Progressive Disclosure

The split is well intentioned (lean overview delegating detail to reference.md and two scripts), but the central reference file is missing from the bundle: 'see [reference.md](reference.md)' is promised three times as the home for relation types, the query builder, transactions, and framework integration, yet no reference.md exists — only scripts/new-entity.sh and scripts/new-migration.sh. The main navigation target is broken, which exceeds anchor 4's 'minor organization gaps' and fits anchor 3's structure-with-breakdown.

Specificity

The 'Covers' clause lists six concrete capability areas — 'entity and relation decorators, the Data Mapper pattern, migrations, the query builder, transactions, and multi-database configuration' — comprehensive coverage of the library's feature surface, matching the score-5 anchor's breadth. Not 4: no meaningful coverage gaps remain for the domain.

Completeness

Both what ('Covers entity and relation decorators, the Data Mapper pattern, migrations, the query builder, transactions, and multi-database configuration') and when ('Use when defining TypeORM entities, writing migrations, or building repository/query-builder code in TypeScript') are explicit with concrete trigger phrases, mirroring the score-5 anchor example. Not 4: the 'when' is not merely present but lists three specific triggering tasks.

Trigger Term Quality

Natural phrases a TypeORM user would actually say are present ('defining TypeORM entities', 'writing migrations', 'repository/query-builder code'), matching the anchor-4 example's coverage level. Not 5: common variations like 'ORM', 'DataSource', or 'database schema' are missing; not 3: all core natural trigger phrases are explicit.

Distinctiveness Conflict Risk

Names a specific library (TypeORM) with distinct, niche-specific triggers (entities, migrations, query builder), so it is clearly distinguishable from generic TypeScript or database skills. Not 4: even minor overlap risk is low because the library is named and the triggers are its native vocabulary.