Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Engineering / testing

Test Shiny App

Category: Engineering  ·  Sub-category: testing  ·  Last updated:
type:integration
Test Shiny applications using shinytest2 for end-to-end browser tests and testServer() for unit-testing module server logic. Covers snapshot testing, CI integration, and mocking external services. Use when adding tests to an existing Shiny application, setting up a testing strategy for a new Shiny project, writing regression tests before refactoring Shiny code, or integrating Shiny app tests into CI/CD pipelines.

About this skill (catalog notes)

Test Shiny App includes 8 code blocks for direct copy-paste. The SKILL.md runs to about 977 words, in the catalog's typical mid-range.

Source
pjt222.github.io/agent-almanac
License
MIT
Original author
pjt222
Indexed lastmod
Catalog position
Engineering · testing
Indexed related skills
10

How Test Shiny App fits the catalog

Test Shiny App sits in the Engineering category under the testing sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Set up comprehensive testing for Shiny applications using shinytest2 (end-to-end) and testServer() (unit tests).

What this skill does

Test Shiny App is a community-contributed Claude Code skill in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/test-shiny-app/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when adding tests to an existing Shiny application, setting up a testing strategy for a new Shiny project, writing regression tests before refactoring Shiny code, or integrating Shiny app tests into CI/CD pipelines.

Who uses this skill

The Test Shiny App Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 94,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/test-shiny-app
curl -L https://claudskills.com/skills/test-shiny-app/SKILL.md \
  -o ~/.claude/skills/test-shiny-app/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/test-shiny-app/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/test-shiny-app/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\test-shiny-app\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Test Shiny App Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/test-shiny-app/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Test Shiny App skill do?
Test Shiny applications using shinytest2 for end-to-end browser tests and testServer() for unit-testing module server logic. Covers snapshot testing, CI integration, and mocking external services. Use when adding tests to an existing Shiny application, setting up a testing strategy for a new Shiny project, writing regression tests before refactoring Shiny code, or integrating Shiny app tests into CI/CD pipelines.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Test Shiny App skill?
Use Test Shiny App when your Claude Code task falls under the Engineering category — specifically in the testing area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Test Shiny App" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Test Shiny App skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Test Shiny App is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
pjt222. (2026). Test Shiny App [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/test-shiny-app/
BibTeX
@misc{test-shiny-app-2026,
  author    = {pjt222},
  title     = {Test Shiny App [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/test-shiny-app/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge
[![ClaudSkills](https://claudskills.com/badge/test-shiny-app.svg)](https://claudskills.com/skills/test-shiny-app/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)
<script>
<script src="https://claudskills.com/embed/test-shiny-app.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/test-shiny-app.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Test Shiny App"></iframe>

Free. No spam. Unsubscribe in one click.

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel · Telegram @acreatorstore

Categories

Use cases

Popular tags

Learn

Site