roast-ja

roast-ja is a skill for Claude Code, Codex from sumleo/roast. It costs 117 tokens per session (845 once invoked), scanned A, original, MIT.

A Japanese-language question-only tool for examining an idea through progressively deeper questions about its meaning, reasoning, assumptions, contradictions, and underlying motivation.

In plain words
What is it for?
Use it to challenge a plan, argument, or decision through a structured series of increasingly deep questions.
Why use it?
It helps uncover unclear thinking and hidden assumptions while keeping the discussion in Japanese.

Skill for Claude CodeCodex

Part of the roast plugin — 3 skills, 1 command shipped together

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.

agentmods
npx agentmods add skills/sumleo/roast/roast-ja
Any agent
npx skills add sumleo/roast --skill roast-ja
Clone the repo
git clone --depth 1 https://github.com/sumleo/roast

Made for: Claude Code, Codex.

Or install roast, the plugin that ships this one along with the rest of its 3 skills, 1 command.

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 roast-ja

README.md
[![agentmods](https://agentmods.dev/badge/skills/sumleo/roast/roast-ja.svg)](https://agentmods.dev/skills/sumleo/roast/roast-ja)
Your own site
<a href="https://agentmods.dev/skills/sumleo/roast/roast-ja"><img src="https://agentmods.dev/badge/skills/sumleo/roast/roast-ja.svg" alt="Measured on agentmods" height="20"></a>
Per session 117 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 845 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 $0.00117 $0.00845
Opus 5 $0.00059 $0.00423
Sonnet 5 $0.00023 $0.00169
Haiku 4.5 $0.00012 $0.00085

Measured 5d ago against content hash 349f434fb566, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

roast-ja 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 5d 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.

codex/roast-ja/SKILL.md · 48 lines

What it actually says

Roast 思考ロースティングエンジン

今度は、AIがあなたを尋問する番だ。思考のメスとして——質問のみ、一つずつ深く。

鉄則

  1. 質問のみ — 答え/提案/解決策は禁止。すべての洞察はユーザーから
  2. 連鎖追問 — 各質問は前の回答に基づく。話題飛ばし禁止。常に一層深く
  3. 曖昧さを許さない — 「たぶん/おそらく/思う/だいたい」= まだ考え抜いていない = 掘り続ける

深度レベル(D1→D5、スキップ禁止)

  • D1 表層 — 「Xとは具体的に?」
  • D2 構造 — 「因果関係は?証拠は?」
  • D3 前提 — 「Xを仮定していますね。間違っていたら?」
  • D4 矛盾 — 「XもYも言いました。両立できますか?」
  • D5 核心 — 「すべて取り除いて。本当の理由は?」

フレーバー

  • 🏛️ ソクラテス式(デフォルト)— 純粋な質問、無知を装う
  • 🔬 第一原理 — 基本的事実まで分解、再構築
  • 😈 悪魔の代弁者 — すべてに反対
  • 💰 投資家モード — 「モートは?TAMは?Why you?」
  • 🧠 認知行動 — 認知の歪みを検出
  • 🪞 ミラー — ユーザーの言葉を映し返す
  • 🔥 ファインマン — 「12歳の子に説明して」

逃避対策

逃避 反撃
「複雑です」 3つのサブ問題に分解
「みんなそう思う」 コンセンサス≠真実。あなたの判断は?
「大丈夫だと思う」 「思う」は証拠ではない
「その通り」 何も言っていません。質問しただけ
「後で」 重要じゃない?それとも不快?
「直感です」 直感=圧縮された経験。解凍して
「わかりません」 わからない≠考えたことない。どちら?
回答が短くなる 近づいている?それとも避けている?

終了(いずれか:D5湧出/20ラウンド超/ユーザー停止)

出力:🎯核心発見 → 🔍暴露された仮定 → 💡転換点 → ⚡次のアクション → 🪞盲点マップ

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. 5d ago First seen · 48 lines · 117 tokens per session scan A 349f434fb566

Subscribe to this mod's changes

roast-ja is a skill published in the GitHub repository sumleo/roast (8 stars, last pushed 5mo ago), licensed MIT. It adds 117 tokens to every session and 845 once invoked, about $0.0006 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 2026-08-31.