spring-rest-test

spring-rest-test is a skill for Claude Code from AI-Unified-Process/marketplace. It costs 222 tokens per session (596 once invoked), scanned A, original, Apache-2.0.

A guide for testing a Spring Boot REST API with MockMvc and a temporary database. MockMvc sends HTTP-like requests to the application context so tests can check the API contract without starting a separate web server.

In plain words
What is it for?
It helps test successful and rejected use-case requests, invalid input, response formats, Location headers, and RFC 9457 Problem Details.
Why use it?
It catches mismatches in status codes, headers, JSON fields, validation, and error responses before clients depend on them.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution.

Part of the aiup-core plugin — 29 skills, 1 agent shipped together

Good fit It helps test successful and rejected use-case requests, invalid input, response formats, Location headers, and RFC 9457 Problem Details.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ai-unified-process/marketplace/spring-rest-test
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add AI-Unified-Process/marketplace --skill spring-rest-test
Clone the repo
git clone --depth 1 https://github.com/AI-Unified-Process/marketplace

Made for: Claude Code.

Or install aiup-core, the plugin that ships this one along with the rest of its 29 skills, 1 agent.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for spring-rest-test

README.md
[![agentmods](https://agentmods.dev/badge/skills/ai-unified-process/marketplace/spring-rest-test/github.svg)](https://agentmods.dev/skills/ai-unified-process/marketplace/spring-rest-test)
Your own site
<a href="https://agentmods.dev/skills/ai-unified-process/marketplace/spring-rest-test"><img src="https://agentmods.dev/badge/skills/ai-unified-process/marketplace/spring-rest-test/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for spring-rest-test

Your own site · 80×15
<a href="https://agentmods.dev/skills/ai-unified-process/marketplace/spring-rest-test"><img src="https://agentmods.dev/badge/skills/ai-unified-process/marketplace/spring-rest-test.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 222 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 596 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00222 $0.00596
Opus 5.5 $0.00089 $0.00238
Sonnet 5.5 $0.00044 $0.00119
Haiku 4.5 $0.00022 $0.00060

Measured today against content hash 544871c4b332, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

spring-rest-test scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

aiup-core/evals/scenario-17/layer-skills/spring-rest-test/SKILL.md · 47 lines

What it actually says

Spring REST Test

Instructions

Write the API layer tests of the use case $ARGUMENTS with MockMvc against the running application context and a Testcontainers database. Name the class UC<id><Name>ApiTest and annotate every method with @UseCase.

Run Directly or from /use-case-test

Run from /use-case-test, this skill follows that skill's sections "If Tests for This Use Case Already Exist", "When a Test Fails", and "Which Layer Tests What"; it does not repeat them. The specification is the oracle: take every expected value from it, never from what the code returns.

What to Test

As the integration layer (a REST service, or the API behind a client-side UI), test the whole use case through its endpoints. As a second entry layer next to a Vaadin Flow or Hilla UI, test only its own contract: the main success scenario through the endpoint, every alternative flow's status and Problem Details as the caller sees them, and the mapping of invalid input to 400. The allowed and rejected cases of a business rule stay in the integration layer.

Markers

Keep this skill's rows in the Markers table of docs/architecture/stack.md exactly as references/markers.md lists them: add them when they are missing, correct them when they differ. Touch no other row.

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. today First seen · 47 lines · 222 tokens per session scan A 544871c4b332

Subscribe to this mod's changes

spring-rest-test is a skill published in the GitHub repository AI-Unified-Process/marketplace (150 stars, last pushed yesterday), licensed Apache-2.0. It adds 222 tokens to every session and 596 once invoked, about $0.0009 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-25.

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