spring-boot-engineer

Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive WebFlux endpoints. Use when building Spring Boot 3.x applications, microservices, or reactive Java applications; invoke for Spring Data JPA, Spring Security 6, WebFlux, Spring Cloud integration, Java REST API design, or Microservices Java architecture.

Quality

88%

Does it follow best practices?

Impact

—

No eval scenarios have been run

Securityby

Passed

No known issues

Quality

Content

77%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a well-structured Spring Boot skill with strong actionability through complete, executable code examples and a clear workflow with explicit validation checkpoints and error recovery loops. The main weakness is that the inline Quick Start section is lengthy, which hurts conciseness and progressive disclosure — this content could be better placed in a reference file. The reference table is well-designed but the referenced files cannot be verified.

Suggestions

Consider moving the Quick Start code examples to a separate reference file (e.g., references/quickstart.md) and keeping only a minimal single-layer example inline to improve conciseness.

Remove or condense constraint entries that restate common Spring Boot knowledge Claude already has (e.g., appropriate stereotype annotations), keeping only project-specific conventions.

Dimension	Reasoning	Score
Conciseness	The skill is mostly efficient and the code examples earn their place, but the Quick Start section is quite long (~100 lines of boilerplate code) that could be trimmed or moved to a reference file. The constraints tables are well-structured but some entries restate things Claude already knows (e.g., appropriate stereotype annotations).	2 / 3
Actionability	The skill provides fully executable, copy-paste-ready Java code for every layer (entity, repository, service, controller, DTO, exception handler, test). Commands like `./mvnw test` and `/actuator/health` are specific and concrete.	3 / 3
Workflow Clarity	The Core Workflow has a clear 6-step sequence with explicit validation checkpoints and feedback loops: security step includes 'if compilation or tests fail: review, fix, re-run'; testing step includes 'if tests fail: review stack trace, isolate, fix, re-run'; deploy step includes 'if health is DOWN: check components, resolve, re-validate'.	3 / 3
Progressive Disclosure	The Reference Guide table with 5 topic-specific reference files is well-structured with clear 'Load When' signals. However, no bundle files were provided, so the referenced files (references/web.md, references/data.md, etc.) cannot be verified to exist. Additionally, the Quick Start section is quite large and could arguably be in a separate reference file rather than inline.	2 / 3
	Total	10 / 12 Passed

Description

100%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This is an excellent skill description that clearly articulates specific capabilities within the Spring Boot 3.x ecosystem, provides comprehensive trigger terms covering the major Spring sub-frameworks, and includes an explicit 'Use when' clause with diverse invocation scenarios. It uses proper third-person voice throughout and is both concise and information-dense, making it easy for Claude to select appropriately from a large skill set.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: generates configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive WebFlux endpoints.	3 / 3
Completeness	Clearly answers both 'what' (generates configurations, creates controllers, implements security flows, sets up repositories, configures WebFlux) and 'when' with an explicit 'Use when...' clause listing specific trigger scenarios like building Spring Boot 3.x applications, microservices, or reactive Java applications.	3 / 3
Trigger Term Quality	Excellent coverage of natural terms users would say: 'Spring Boot 3.x', 'REST controllers', 'Spring Security 6', 'Spring Data JPA', 'WebFlux', 'microservices', 'reactive Java', 'Spring Cloud', 'Java REST API', providing strong keyword coverage across the Spring ecosystem.	3 / 3
Distinctiveness Conflict Risk	Highly distinctive with a clear niche in the Spring Boot 3.x / Spring ecosystem. The specific version numbers (Spring Boot 3.x, Spring Security 6) and technology-specific terms (WebFlux, Spring Data JPA, Spring Cloud) make it very unlikely to conflict with generic Java or web development skills.	3 / 3
	Total	12 / 12 Passed

Validation

100%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository: Jeffallan/claude-skills
Commit: e8be415

Reviewed: 4 days ago

Table of Contents

Discovery Implementation Validation

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