hkj-spring

hkj-spring is a Backend frameworks skill for AI agents, published by higher-kinded-j in the higher-kinded-j repository on GitHub. Skillspace rates hkj-spring D (62/100) and it passed the safety scan; the rating is based on static analysis only.

Higher-Kinded-J Spring Boot integration (hkj-spring-boot-starter). Use PROACTIVELY whenever the working file or task involves: (1) a Spring controller method (@RestController / @GetMapping / @PostMapping / @PutMapping / @DeleteMapping) that returns Either, Validated, EitherOrBoth, EitherOrBothPath, EitherPath, MaybePath, ValidationPath, TryPath, IOPath, CompletableFuturePath, VTaskPath, VStreamPath, or FreePath; (2) a sealed interface or sealed hierarchy named DomainError / *Error / *Failure used as the Left of an Either; (3) Jackson 3.x / tools.jackson serialization of HKJ types, including EitherOrBoth and NonEmptyList; (4) any application.yml / application.properties key under hkj.web.* (including hkj.web.either-or-both-path-enabled), hkj.json.*, hkj.validation.*, hkj.async.*, hkj.virtual-threads.*, hkj.actuator.*, hkj.security.*, or hkj.effect-boundary.*; (5) mapping a domain error to an HTTP status code, including 4xx/5xx codes outside the heuristic table (409 Conflict, 422…

Grade
D
Quality
62 / 100
Safety
Passed
GitHub stars
78

Unproven: rated by static analysis only, not yet compared head-to-head.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

View source on GitHubhigher-kinded-j/higher-kinded-j

Our review

Architecture
85 / 100
Maturity
Structured: ships references or scripts
Security scan
Low-risk patterns
License
MIT
Adoption
Adopted by 0 other repositories, in 0 collections

What the scanner flagged

  • mentions secrets in text

Not checked yet

  • Not judged on the rubric yet (not a contender in its category)
  • No blind task eval yet
  • Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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