A skill your agent uses when versioning Spring MVC or WebFlux APIs in Spring Boot 3 / Spring Framework 6.

MITAuto-check passedBackend & APIs

Install API Versioning

skills CLI
$ npx skills add rrezartprebreza/spring-boot-skills --skill api-versioning -a claude-code

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

GitHub CLI
$ gh skill install rrezartprebreza/spring-boot-skills api-versioning --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/rrezartprebreza/spring-boot-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/spring-boot-3/api-versioning .claude/skills/api-versioning && 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
api-versioning
GitHub stars
298
Token cost
~516 tokens
SKILL.md length
243 words
Files
4
Skills in repo
51
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when versioning Spring MVC or WebFlux APIs in Spring Boot 3 / Spring Framework 6.

  • Versioning Spring MVC
  • SKILL.md covers Prefer a visible, testable…, Migration boundary and Gotchas
  • Runs Java scripts from its folder
  • WebFlux APIs in Spring Boot 3 / Spring Framework 6

What it does

API Versioning is an agent skill from rrezartprebreza/spring-boot-skills. Use when versioning Spring MVC or WebFlux APIs in Spring Boot 3 / Spring Framework 6. Covers explicit URL, header, and media-type strategies, compatibility rules, and deprecation handling.

Its SKILL.md is about 520 tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files (for example `agents/openai.yaml`).

It sits in Backend & APIs, covering Backend development. It works with Spring Boot. The repository describes itself as: Production-grade Claude Code and Codex skills for Spring Boot developers. The licence is MIT.

When your agent uses it

  • Versioning Spring MVC
  • WebFlux APIs in Spring Boot 3 / Spring Framework 6

Example prompts

  • “/api-versioning”

What it can do on your machine

Read from SKILL.md and the folder at commit f0c06a0. 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

    Ships script files (Java), which the agent can run.

    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

API Versioning loads about 516 tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 243 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~51
When it runs · the whole SKILL.md, loaded when a task matches
~516

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 rrezartprebreza/spring-boot-skills at commit f0c06a0, republished under its MIT licence (© rrezartprebreza). 243 words, ~516 tokens.

Download SKILL.mdSave it as .claude/skills/api-versioning/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
api-versioning
description
Use when versioning Spring MVC or WebFlux APIs in Spring Boot 3 / Spring Framework 6. Covers explicit URL, header, and media-type strategies, compatibility rules, and deprecation handling.

API Versioning (Boot 3 / Framework 6)

Boot 3 does not provide Boot 4's built-in mapping version attribute. Choose one explicit strategy and keep it consistent: URL segments, a request header, or media-type parameters.

Prefer a visible, testable contract

For a public API, /api/v1/orders and /api/v2/orders are usually the clearest choice. If URLs must remain stable, resolve a request header at the web boundary and route to versioned handlers. Do not hide version selection in business services or duplicate it across filters and controllers.

java
@RestController
@RequestMapping("/api/v1/orders")
class OrderV1Controller {
    @GetMapping("/{id}")
    OrderV1 get(@PathVariable UUID id) { ... }
}

Document supported versions in OpenAPI, define a removal policy, and return a consistent error for unsupported versions. Add Deprecation, Sunset, and Link headers through a response advice or filter when retiring a version.

Migration boundary

Keep version-specific DTOs and controllers thin. Map both versions to the same application use case, and do not copy domain logic into each version. Add contract tests for every supported version and verify content negotiation if using media types.

Gotchas

  • Agent uses Boot 4's version attribute on Boot 3 - it is not available; choose an explicit routing strategy.
  • Agent mixes URL, header, and media-type resolution - select one source of truth.
  • Agent puts version branching in services - keep compatibility at the web adapter boundary.
  • Agent changes response fields without versioning - preserve old contracts or publish a new version.
  • Agent invents deprecation headers per controller - centralize them in advice or a filter.
  • Agent documents only the latest version - keep OpenAPI and contract tests for every supported version.

© rrezartprebreza, MIT. 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 3 other files in skills/spring-boot-3/api-versioning of rrezartprebreza/spring-boot-skills.

  • SKILL.md
  • agents/openai.yaml
  • examples/bad-versioned-controller.java
  • examples/good-versioned-controller.java

Open the folder on GitHubat commit f0c06a0

Compare with similar skills

API Versioning 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.

API Versioning compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
API Versioning this skillrrezartprebreza/spring-boot-skills298—~516Automated safety check: PassMIT
Spring Bootpiomin/claude-ai-spring-boot1.3k—~2kAutomated safety check: PassApache-2.0
Dr Jskilljdubois/dr-jskill342—~4.6kAutomated safety check: NotesApache-2.0
WxJava Integration Guidebinarywang/WxJava33k—~123Automated safety check: PassApache-2.0
Grails Developer Guideapache/grails-core2.9k—~4.9kAutomated safety check: PassApache-2.0
Flycms Devsunkaifei/FlyCms656—~827Automated safety check: PassMIT

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Works with

Categories

Questions about API Versioning

What does API Versioning do?

A skill your agent uses when versioning Spring MVC or WebFlux APIs in Spring Boot 3 / Spring Framework 6. API Versioning is an agent skill from rrezartprebreza/spring-boot-skills. Use when versioning Spring MVC or WebFlux APIs in Spring Boot 3 / Spring Framework 6.

When should I use API Versioning?

API Versioning fits situations like: versioning Spring MVC; webFlux APIs in Spring Boot 3 / Spring Framework 6.

How do I install API Versioning in Claude Code?

Run `npx skills add rrezartprebreza/spring-boot-skills --skill api-versioning -a claude-code`. Or copy the skill folder (skills/spring-boot-3/api-versioning in rrezartprebreza/spring-boot-skills) into .claude/skills/api-versioning in your project. Claude Code loads it when a task matches its description.

How do I install API Versioning in Codex?

Run `npx skills add rrezartprebreza/spring-boot-skills --skill api-versioning -a codex`. Or copy the skill folder (skills/spring-boot-3/api-versioning in rrezartprebreza/spring-boot-skills) into .agents/skills/api-versioning in your project. Codex loads it when a task matches its description.

Can I use API Versioning 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 rrezartprebreza/spring-boot-skills --skill api-versioning -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/api-versioning, .gemini/skills/api-versioning, .github/skills/api-versioning and .opencode/skills/api-versioning in your project.

What does API Versioning need to run?

Going by SKILL.md and its folder, API Versioning needs Java for the scripts in its folder.

Does API Versioning 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 API Versioning 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 API Versioning use?

API Versioning is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does API Versioning use?

About 516 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to API Versioning?

Skills that share tags, products or a category with API Versioning: Spring Boot (piomin/claude-ai-spring-boot, 1.3k stars), Dr Jskill (jdubois/dr-jskill, 342 stars), WxJava Integration Guide (binarywang/WxJava, 33k stars) and Grails Developer Guide (apache/grails-core, 2.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains API Versioning?

rrezartprebreza (a GitHub user) maintains it in rrezartprebreza/spring-boot-skills, which has 298 GitHub stars. The repository holds 51 skills in this directory. The repository was last updated on September 21, 2026.

Source: rrezartprebreza/spring-boot-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.