Conciseness

Two sections are padded with duplication rather than over-explanation: the Constraints section restates the same compile-before/verify-after rule four times under MANDATORY/PREREQUISITE/SAFETY/BLOCKING CONDITION labels, and "When to use this skill" repeats the frontmatter description's trigger list verbatim. This is noticeably more than the "minor instances" of the 4 anchor, though nothing explains concepts Claude already knows.

Actionability

Concrete, executable commands are present ("./mvnw compile or mvn compile", "./mvnw clean verify or mvn clean verify") and the reference path is specific, but the body itself contains no code — the actual JDBC patterns are delegated to the reference file. Also, the covered-topics bullet "When to prefer Micronaut Data (`@512`)" contains an unexplained artifact/typo that reads as broken guidance, a minor gap.

Workflow Clarity

The 4-step workflow (read reference → gather scope → apply changes → run verification and report) is clearly sequenced, and validation checkpoints exist both before and after changes with an explicit failure gate ("If compilation fails, stop immediately"). It falls short of the 5 anchor because there is no fix-and-retry feedback loop — failures are deferred to the user rather than resolved within the workflow.

Progressive Disclosure

The body is a genuine overview (covered-topics list, constraints, workflow) pointing to a single, well-signaled, one-level-deep reference — [references/511-frameworks-micronaut-jdbc.md](references/511-frameworks-micronaut-jdbc.md), which exists on disk, is ~869 lines, and itself contains no nested references. This matches the clear-overview anchor exactly.

Specificity

Lists multiple concrete capabilities — "pooled DataSource, parameterized SQL, io.micronaut.transaction.annotation.Transactional, batching, and domain exception translation" — which matches the comprehensive-coverage anchor, but the description opens in second person ("Use when you need programmatic JDBC in Micronaut"), and the rubric's third-person guideline requires a 1-point penalty, capping this at 4 rather than 5.

Completeness

Both questions are answered explicitly: the "what" is the concrete capability list up front, and the "when" is a full sentence of concrete trigger phrases ("This should trigger for requests such as Review JDBC or SQL data access in a Micronaut project; Improve transactions and parameter binding..."). This matches the top anchor exactly.

Trigger Term Quality

Trigger coverage is comprehensive with natural user phrasings and synonyms across all five concerns: "Review JDBC or SQL data access", "Improve transactions and parameter binding", "Translate SQLException", "Fix self-invocation bypassing @Transactional", and "Hikari or pooled datasource" — each phrased the way a user would actually state the request.

Distinctiveness Conflict Risk

The skill occupies a clear niche — programmatic JDBC in Micronaut specifically — and its triggers are qualified with "in a Micronaut project" / "Micronaut JDBC", so it will not fire for generic SQL, Spring JDBC, or Micronaut Data requests. Minimal conflict risk.