scenario-gen

scenario-gen is a skill for Claude Code from hideki5123/agent-skill-set. It costs 225 tokens per session (3,115 once invoked), scanned A, original, no licence file.

A test-scenario generator that compares a Git branch with the main branch, identifies changed files, and creates scenarios for testing those changes. It can include screenshots for interface changes and CSV output for compatible test tools.

In plain words
What is it for?
Use it to create test scenarios for frontend, API, backend, and configuration changes.
Why use it?
It turns a code change list into a focused set of checks, reducing the chance that changed behavior is left untested.

Skill for Claude Code

Written for Claude Code: context: fork in frontmatter. Also seen: agent in frontmatter.

Good fit Use it to create test scenarios for frontend, API, backend, and configuration changes.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hideki5123/agent-skill-set/scenario-gen
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 hideki5123/agent-skill-set --skill scenario-gen
Clone the repo
git clone --depth 1 https://github.com/hideki5123/agent-skill-set

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 scenario-gen

README.md
[![agentmods](https://agentmods.dev/badge/skills/hideki5123/agent-skill-set/scenario-gen/github.svg)](https://agentmods.dev/skills/hideki5123/agent-skill-set/scenario-gen)
Your own site
<a href="https://agentmods.dev/skills/hideki5123/agent-skill-set/scenario-gen"><img src="https://agentmods.dev/badge/skills/hideki5123/agent-skill-set/scenario-gen/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 scenario-gen

Your own site · 80×15
<a href="https://agentmods.dev/skills/hideki5123/agent-skill-set/scenario-gen"><img src="https://agentmods.dev/badge/skills/hideki5123/agent-skill-set/scenario-gen.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 225 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,115 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00225 $0.03115
Opus 5.5 $0.00090 $0.01246
Sonnet 5.5 $0.00045 $0.00623
Haiku 4.5 $0.00022 $0.00312

Measured 1mo ago against content hash 6ddfc0a263eb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

scenario-gen scanned grade A with 1 finding 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 1mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

`curl -sf -o /dev/null <url>`:
scenario-gen/SKILL.md · 327 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

4 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. 1mo ago First seen · 327 lines · 225 tokens per session scan A 6ddfc0a263eb

Subscribe to this mod's changes

scenario-gen is a skill published in the GitHub repository hideki5123/agent-skill-set (2 stars, last pushed 18d ago), with no licence file. It adds 225 tokens to every session and 3,115 once invoked, about $0.0009 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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