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Agent skill

502 Frameworks Micronaut REST

by jabrena in jabrena/plinth

A skill your agent uses when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination…

Apache-2.0Auto-check passedBackend & APIs

Install 502 Frameworks Micronaut REST

skills CLI
$ npx skills add jabrena/plinth --skill 502-frameworks-micronaut-rest -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jabrena/plinth 502-frameworks-micronaut-rest --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jabrena/plinth.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/502-frameworks-micronaut-rest .claude/skills/502-frameworks-micronaut-rest && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
502-frameworks-micronaut-rest
GitHub stars
447
Token cost
~867 tokens
SKILL.md length
317 words
Files
2 (incl. references)
Skills in repo
124
Repo updated
First seen
Licence
Apache-2.0

At a glance

A skill your agent uses when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination…

  • You need to design
  • SKILL.md covers Constraints, When to use this skill, Workflow and Reference
  • Calls mvn
  • Improve REST APIs with Micronaut — including @Controller routes

What it does

502 Frameworks Micronaut REST is an agent skill from jabrena/plinth. Use when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination, idempotency, ETag/If-Match, caching headers, versioning, contract-first OpenAPI (OpenAPI Generator), optional runtime OpenAPI via micronaut-openapi, and security annotations. This should trigger for requests such as Review or improve Micronaut @Controller REST APIs; Add validation, error handling, or align controllers with the OpenAPI…

Its SKILL.md is about 870 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/502-frameworks-micronaut-rest.md`).

It sits in Backend & APIs, covering OpenAPI specifications, REST APIs and Design review and critique. It works with OpenAPI. The repository describes itself as: Plinth is an AI-native engineering toolkit for modern Java enterprise SDLC, built around reusable Commands, Agents, Skills, and MCP Servers. The licence is Apache-2.0.

When your agent uses it

  • You need to design
  • Improve REST APIs with Micronaut — including @Controller routes
  • HTTP status codes
  • Bean Validation

Example prompts

  • “/502-frameworks-micronaut-rest”

What it can do on your machine

Read from SKILL.md and the folder at commit dca88dc. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • mvn

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

502 Frameworks Micronaut REST loads about 867 tokens when it runs, and up to ~10k if it reads all its reference files. Until then it costs about 196 tokens; SKILL.md has 317 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~196
When it runs · the whole SKILL.md, loaded when a task matches
~867
With references · SKILL.md plus every file in references/, read only if the agent opens them
~10k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jabrena/plinth at commit dca88dc, republished under its Apache-2.0 licence (© jabrena). 317 words, ~867 tokens.

Download SKILL.mdSave it as .claude/skills/502-frameworks-micronaut-rest/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
502-frameworks-micronaut-rest
description
Use when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination, idempotency, ETag/If-Match, caching headers, versioning, contract-first OpenAPI (OpenAPI Generator), optional runtime OpenAPI via micronaut-openapi, and security annotations. This should trigger for requests such as Review or improve Micronaut @Controller REST APIs; Add validation, error handling, or align controllers with the OpenAPI contract on Micronaut HTTP layer; Design Micronaut controllers and DTO validation; Add Micronaut exception handlers and Problem Details responses; Improve pagination filtering or OpenAPI alignment in Micronaut APIs. Part of Plinth Toolkit
license
Apache-2.0
metadata.author
Juan Antonio Breña Moral
metadata.version
0.19.0

Micronaut REST API Guidelines

Apply REST design principles for Micronaut HTTP applications.

What is covered in this Skill?

  • Semantic HTTP with @Get/@Post/@Put/@Patch/@Delete and HttpResponse status control
  • Resource-oriented paths and stable DTO contracts
  • @Valid on request bodies with Bean Validation
  • Centralized error mapping (ExceptionHandler / problem JSON when applicable)
  • Pagination with Pageable and bounded sizes
  • OpenAPI contract file (API-first) and OpenAPI Generator for server stubs
  • Security annotations (@Secured) on sensitive routes
  • Idempotency-Key for retried writes
  • ETag / If-Match for optimistic concurrency
  • Cache-Control discipline
  • API versioning patterns
  • ISO-8601 time types in DTOs

Scope: Apply recommendations based on the reference rules and good/bad code examples.

Constraints

Compile before REST refactors; verify after.

  • MANDATORY: Run ./mvnw compile or mvn compile before applying any change
  • SAFETY: If compilation fails, stop immediately
  • VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
  • BEFORE APPLYING: Read the reference for detailed rules and examples
  • EDGE CASE: If request scope is ambiguous, stop and ask a clarifying question before applying changes
  • EDGE CASE: If required inputs, files, or tooling are missing, report what is missing and ask whether to proceed with setup guidance

When to use this skill

  • Review or improve Micronaut @Controller REST APIs
  • Add validation, error handling, or align controllers with the OpenAPI contract on Micronaut HTTP layer
  • Design Micronaut controllers and DTO validation
  • Add Micronaut exception handlers and Problem Details responses
  • Improve pagination filtering or OpenAPI alignment in Micronaut APIs

Workflow

  1. Read reference and assess project context

Read references/502-frameworks-micronaut-rest.md and inspect the current project setup before proposing changes.

  1. Gather scope and decide target improvements

Identify requested outcomes, constraints, and the minimum safe set of changes to apply.

  1. Apply framework-aligned changes

Implement or refactor configuration/code following the reference patterns and project conventions.

  1. Run verification and report results

Execute appropriate build/tests and summarize what changed, what was verified, and any follow-up actions.

Reference

For detailed guidance, examples, and constraints, see references/502-frameworks-micronaut-rest.md.

© jabrena, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/502-frameworks-micronaut-rest of jabrena/plinth.

  • SKILL.md
  • references/502-frameworks-micronaut-rest.md

Open the folder on GitHubat commit dca88dc

Compare with similar skills

502 Frameworks Micronaut REST next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

502 Frameworks Micronaut REST compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
502 Frameworks Micronaut REST this skilljabrena/plinth447—~867Automated safety check: PassApache-2.0
API Designepam/ai-dial-chat504—~1.2kAutomated safety check: PassApache-2.0
API Design AssistantArabelaTso/Skills-4-SE253—~2.7kAutomated safety check: PassApache-2.0
OpenAPI to MCP Servermcp-use/mcp-use11k—~5.2kAutomated safety check: PassApache-2.0
Use Yaakmountain-loop/yaak19k—~1.9kAutomated safety check: PassMIT
API DesignerJeffallan/claude-skills12k1 repos~2kAutomated safety check: PassMIT

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Works with

Categories

Questions about 502 Frameworks Micronaut REST

What does 502 Frameworks Micronaut REST do?

A skill your agent uses when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination…. 502 Frameworks Micronaut REST is an agent skill from jabrena/plinth. Use when you need to design, review, or improve REST APIs with Micronaut — including @Controller routes, HTTP status codes, DTOs, Bean Validation, exception handlers, pagination, idempotency, ETag/If-Match, caching headers, versioning, contract-first OpenAPI (OpenAPI Generator), optional runtime OpenAPI via micronaut-openapi, and security annotations.

When should I use 502 Frameworks Micronaut REST?

502 Frameworks Micronaut REST fits situations like: you need to design; improve REST APIs with Micronaut — including @Controller routes; HTTP status codes; bean Validation.

How do I install 502 Frameworks Micronaut REST in Claude Code?

Run `npx skills add jabrena/plinth --skill 502-frameworks-micronaut-rest -a claude-code`. Or copy the skill folder (skills/502-frameworks-micronaut-rest in jabrena/plinth) into .claude/skills/502-frameworks-micronaut-rest in your project. Claude Code loads it when a task matches its description.

How do I install 502 Frameworks Micronaut REST in Codex?

Run `npx skills add jabrena/plinth --skill 502-frameworks-micronaut-rest -a codex`. Or copy the skill folder (skills/502-frameworks-micronaut-rest in jabrena/plinth) into .agents/skills/502-frameworks-micronaut-rest in your project. Codex loads it when a task matches its description.

Can I use 502 Frameworks Micronaut REST in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jabrena/plinth --skill 502-frameworks-micronaut-rest -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/502-frameworks-micronaut-rest, .gemini/skills/502-frameworks-micronaut-rest, .github/skills/502-frameworks-micronaut-rest and .opencode/skills/502-frameworks-micronaut-rest in your project.

What does 502 Frameworks Micronaut REST need to run?

Going by SKILL.md and its folder, 502 Frameworks Micronaut REST needs the command-line tools its instructions call (mvn).

Does 502 Frameworks Micronaut REST access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is 502 Frameworks Micronaut REST safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does 502 Frameworks Micronaut REST use?

502 Frameworks Micronaut REST is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does 502 Frameworks Micronaut REST use?

About 867 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 9.4k tokens, read only when the agent opens those files.

What are the alternatives to 502 Frameworks Micronaut REST?

Skills that share tags, products or a category with 502 Frameworks Micronaut REST: API Design (epam/ai-dial-chat, 504 stars), API Design Assistant (ArabelaTso/Skills-4-SE, 253 stars), OpenAPI to MCP Server (mcp-use/mcp-use, 11k stars) and Use Yaak (mountain-loop/yaak, 19k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains 502 Frameworks Micronaut REST?

jabrena (a GitHub user) maintains it in jabrena/plinth, which has 447 GitHub stars. The repository holds 124 skills in this directory. The repository was last updated on October 7, 2026.

Source: jabrena/plinth on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.