Irrlicht: Skill for Claude Code

.claude/skills/ir:onboarding-factory/create-scenario/SKILL.md

ir:onboarding-factory/create-scenario is a skill for Claude Code from ingo-eichhorst/Irrlicht. It costs 98 tokens per session (1,648 once invoked), scanned A, original, MIT.

A research tool for adding one new behavior scenario to a comparison table for different coding agents. Each scenario describes the behavior, why it matters, how to recognize it, and the process for testing it.

In plain words
What is it for?
Use it to research and add a scenario row to the onboarding matrix before testing specific agent tools.
Why use it?
It keeps new test cases agent-independent, so the same behavior can later be assessed and recorded consistently across agents.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions subagents.

This is ingo-eichhorst/Irrlicht's own configuration. It tells Claude Code how to work on Irrlicht itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything Irrlicht configures →

Reuse

Borrowing it

Nothing to install: this file belongs to ingo-eichhorst/Irrlicht. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/ingo-eichhorst/Irrlicht/main/.claude/skills/ir:onboarding-factory/create-scenario/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/ingo-eichhorst/Irrlicht

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 ir:onboarding-factory/create-scenario

README.md
[![agentmods](https://agentmods.dev/badge/skills/ingo-eichhorst/irrlicht/create-scenario.svg)](https://agentmods.dev/skills/ingo-eichhorst/irrlicht/create-scenario)
Your own site
<a href="https://agentmods.dev/skills/ingo-eichhorst/irrlicht/create-scenario"><img src="https://agentmods.dev/badge/skills/ingo-eichhorst/irrlicht/create-scenario.svg" alt="Measured on agentmods" height="20"></a>
Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,648 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00098 $0.01648
Opus 5 $0.00049 $0.00824
Sonnet 5 $0.00020 $0.00330
Haiku 4.5 $0.00010 $0.00165

Measured 2d ago against content hash 7d7a8a70ff30, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

ir:onboarding-factory/create-scenario 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 2d 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.

.claude/skills/ir:onboarding-factory/create-scenario/SKILL.md · 167 lines

How it starts

The opening of the file, as written. The whole thing — 167 lines — stays where its author put it; the contents beside it link to each section on GitHub.

create-scenario

You run as a focused subagent with no parent context. Everything you need is in this file and the repo. Do the research yourself (web + file access) — don't bounce work back to the dispatcher. This task spends NO API tokens on agent CLIs and runs NO recording. When done, return only the summary in the "Return contract" section.

What this does

Adds one new agent-agnostic scenario so later verbs (assess, then record) have a row to fill. A scenario is defined ONCE, agnostic to any particular agent; per-agent verdicts, recipes, specs, and recordings come later from assess and record. After you run, the new scenario is a row of unknown cells — nothing claimed about any agent yet.

This is the matrix-ROW counterpart to create-agent, which adds a COLUMN.

The scenario schema (5 fields, nothing else)

of scenario add writes exactly this shape into replaydata/agents/scenarios.json:

id                   <section>.<index>  — e.g. "2.22". Stable; orders the matrix.
name                 kebab slug         — e.g. "mid-turn-message-queued". The FK.
description          one paragraph      — what behavior, why it matters.
acceptance_criteria  markdown           — what a recording must show to pass.
process              markdown           — how to drive an agent to elicit it.

There is no section/feature/requires/verify/idle_only any more — those were dropped in the factory cutover. Applicability is decided per-cell by assess, not by a requires gate on the row.

Inputs

  • <slug> — kebab-case scenario name (stable; becomes the FK and the recording folder stem). E.g. mid-turn-message-queued.
  • A one-paragraph description of the behavior. If the dispatcher didn't pass one, derive it from the slug and state your assumption in the summary.

Steps

1. Pick the id

List the catalog through the factory (never read the file directly):

of status --json | jq -r '.scenarios[].id' | sort -t. -k1,1n -k2,2n

Read the full file on GitHub · 167 lines

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. 2d ago Changed 7d7a8a70ff30
  2. 6d ago First seen · 167 lines · 98 tokens per session scan A ffcd6677f07a

Subscribe to this mod's changes

ir:onboarding-factory/create-scenario is a skill published in the GitHub repository ingo-eichhorst/Irrlicht (97 stars, last pushed today), licensed MIT. It adds 98 tokens to every session and 1,648 once invoked, about $0.0005 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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