write-test-cases

write-test-cases is a skill for Claude Code from juicesharp/rpiv-pi. It costs 66 tokens per session (4,554 once invoked), scanned A, original, MIT.

A workflow for writing manual checks that QA testers can follow for one feature. It examines the related code and organizes checks by user flow, including broader regression coverage.

In plain words
What is it for?
Use it to define normal, error, and edge-case checks for a feature and to map which existing parts of the project may need regression testing.
Why use it?
It turns a feature description and codebase analysis into structured test instructions, so important paths and side effects are less likely to be overlooked.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: mentions CLAUDE.md.

Good fit Use it to define normal, error, and edge-case checks for a feature and to map which existing parts of the project may need regression testing.

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Install with agentmods
npx agentmods add skills/juicesharp/rpiv-pi/write-test-cases
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 juicesharp/rpiv-pi --skill write-test-cases
Clone the repo
git clone --depth 1 https://github.com/juicesharp/rpiv-pi

Made for: Claude Code.

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 write-test-cases

README.md
[![agentmods](https://agentmods.dev/badge/skills/juicesharp/rpiv-pi/write-test-cases/github.svg)](https://agentmods.dev/skills/juicesharp/rpiv-pi/write-test-cases)
Your own site
<a href="https://agentmods.dev/skills/juicesharp/rpiv-pi/write-test-cases"><img src="https://agentmods.dev/badge/skills/juicesharp/rpiv-pi/write-test-cases/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 write-test-cases

Your own site · 80×15
<a href="https://agentmods.dev/skills/juicesharp/rpiv-pi/write-test-cases"><img src="https://agentmods.dev/badge/skills/juicesharp/rpiv-pi/write-test-cases.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 66 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,554 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 $0.00066 $0.04554
Opus 5 $0.00033 $0.02277
Sonnet 5 $0.00013 $0.00911
Haiku 4.5 $0.00007 $0.00455

Measured 9d ago against content hash bc6b21e551e0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

write-test-cases 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 9d ago.

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.

skills/write-test-cases/SKILL.md · 323 lines

How it starts

The opening of the file, as written. The whole thing — 323 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Write Test Cases

You are tasked with generating manual test case specifications for a single feature by analyzing code in parallel and producing flow-based test case documents for QA teams.

Initial Setup

When this command is invoked, respond with:

I'll generate test cases for this feature. Let me discover the relevant code and analyze it.

Then proceed to Step 1.

Steps

Step 1: Determine Feature Scope

Parse the user's input to determine the feature under test. Handle these input forms:

  1. _meta.md path (e.g., .rpiv/test-cases/users/_meta.md):

    • Read the file. Extract feature from frontmatter. Mark as has _meta.md.
  2. Feature folder or slug (e.g., .rpiv/test-cases/order-management/ or order-management):

    • Check if .rpiv/test-cases/{input}/_meta.md exists
    • If yes: read it, extract feature, mark as has _meta.md
    • If no: treat as feature name
  3. Source code path (e.g., src/orders/ or src/api/controllers/OrdersController.ts):

    • Use the path directly as the starting point for analysis
  4. Feature name with optional instructions (e.g., Order Management focus on refund edge cases):

    • Parse as {feature identifier} [additional instructions]
    • Check if .rpiv/test-cases/{slugified-name}/_meta.md exists — if yes, read it and mark as has _meta.md
    • Store additional instructions as supplemental context for agent prompts and checkpoint
  5. No arguments provided:

    I'll help you generate test cases. Please provide either:
    1. A feature name: `/skill:write-test-cases Order Management`
    2. A component path: `/skill:write-test-cases src/orders/`
    3. A feature slug: `/skill:write-test-cases order-management`
    4. A _meta.md path: `/skill:write-test-cases .rpiv/test-cases/orders/_meta.md`
    
    Add instructions after the feature: `/skill:write-test-cases Order Management focus on refund edge cases`
    

    Then wait for input.

Warm-Start from _meta.md

When _meta.md is available, read it FULLY and extract:

  • Identity: feature, module, portal, slug from frontmatter
  • Routes: from ## Routes section — route paths and component names
  • Endpoints: from ## Endpoints section — HTTP methods and paths
  • Scope decisions: from ## Scope Decisions section — in/out of scope items
  • Domain context: from ## Domain Context section — business rules and intentional behaviors
  • Checkpoint history: from ## Checkpoint History section — prior Q&A pairs

Read the full file on GitHub · 323 lines

Files

What ships with it

8 files 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. 9d ago First seen · 323 lines · 66 tokens per session scan A bc6b21e551e0

Subscribe to this mod's changes

write-test-cases is a skill published in the GitHub repository juicesharp/rpiv-pi (11 stars, last pushed 4mo ago), licensed MIT. It adds 66 tokens to every session and 4,554 once invoked, about $0.0003 per session on Opus 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 2026-08-30.

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