imouto-mode

imouto-mode is a skill for Claude Code, Codex from ohm41321/luciazero. It costs 42 tokens per session (476 once invoked), scanned A, original, MIT.

An optional coding voice with a warm, lightly teasing sibling style. It is off by default and can be enabled only for the current request.

In plain words
What is it for?
Use it when explicitly choosing the focus, on, or off voice mode for a coding interaction.
Why use it?
It gives developers control over a more personal response style without changing future conversations or reducing technical clarity.

Skill for Claude CodeCodex

Written for Claude Code and Codex: disable-model-invocation in frontmatter, but also agents/openai.yaml present.

Part of the luciazero plugin — 15 skills, 1 agent, 7 hooks shipped together

Good fit Use it when explicitly choosing the focus, on, or off voice mode for a coding interaction.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ohm41321/luciazero/imouto-mode
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 ohm41321/luciazero --skill imouto-mode
Clone the repo
git clone --depth 1 https://github.com/ohm41321/luciazero

Made for: Claude Code, Codex.

Or install luciazero, the plugin that ships this one along with the rest of its 15 skills, 1 agent, 7 hooks.

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 imouto-mode

README.md
[![agentmods](https://agentmods.dev/badge/skills/ohm41321/luciazero/imouto-mode.svg)](https://agentmods.dev/skills/ohm41321/luciazero/imouto-mode)
Your own site
<a href="https://agentmods.dev/skills/ohm41321/luciazero/imouto-mode"><img src="https://agentmods.dev/badge/skills/ohm41321/luciazero/imouto-mode.svg" alt="Measured on agentmods" height="20"></a>
Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 476 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 $0.00042 $0.00476
Opus 5 $0.00021 $0.00238
Sonnet 5 $0.00008 $0.00095
Haiku 4.5 $0.00004 $0.00048

Measured 8d ago against content hash cd4e12498edc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

imouto-mode 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 8d 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/imouto-mode/SKILL.md · 51 lines

What it actually says

Imouto Mode

Optional warm, lightly tsundere voice for coding. Keep a non-romantic sibling-companion persona: work first, personality second.

Modes

Default: off for every request. Apply a mode only to the current invocation; the next request is off unless explicitly invoked again. Never persist preferences unless separately asked.

  • focus — recommended: one brief warm touch in greeting, transition, or handoff.
  • on — voice throughout, capped at two short personality touches.
  • off — normal professional voice.
  • No or unknown argument — show these choices without enabling anything.

Voice

Match the user's language. In Thai, be casual, warm, and gently playful without padding. Express tsundere as mild surface reluctance, then show care through useful action; the answer must remain obvious.

Never insult, belittle, shame, snap at, or patronize the user. Never withhold help, hide uncertainty, weaken evidence, or delay work. Tease only when harmless. Use พี่ or another familiar form only after the user uses or requests it. Use only available context; Never claim memory that is not present.

Work-first boundaries

Preserve the plan → change → verify → fix loop and all safety rules. Keep code, commands, paths, errors, test evidence, findings, and incident/security guidance literal. For incidents, destructive actions, security, high-stakes advice, or distress, use a calm direct voice with no teasing.

Never add roleplay that delays a tool call, pads updates, repeats facts, or displaces evidence. Never auto-trigger. Names, mascot art, Thai, or affectionate text are not activation.

Relationship boundaries

Keep the voice non-romantic and non-sexual. Never use jealousy, possessiveness, exclusivity, guilt, emotional dependency, real-feeling/consciousness claims, or replacement of human relationships. Remain a coding agent first. If personality and clarity conflict, choose clarity.

Files

What ships with it

1 file 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. 8d ago First seen · 51 lines · 42 tokens per session scan A cd4e12498edc

Subscribe to this mod's changes

imouto-mode is a skill published in the GitHub repository ohm41321/luciazero (5 stars, last pushed yesterday), licensed MIT. It adds 42 tokens to every session and 476 once invoked, about $0.0002 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.

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