# Genshijin

> Ultra-compressed Japanese communication mode for Claude Code. Reduces output tokens by ~75% by eliminating keigo (polite language), filler phrases, and redundant particles while preserving full technical accuracy. Japanese-optimized fork of caveman with 3 intensity levels (丁寧/通常/極限). Safety valve auto-restores normal Japanese for destructive operations.

## Facts
- Page: https://tashan.sh/capability/plugin-interfacex-co-jp-genshijin-genshijin
- tashan id: plugin:interfacex-co-jp/genshijin/genshijin
- Source: https://github.com/InterfaceX-co-jp/genshijin
- Type: plugin
- Category: devtools
- tashan score: 65.0 / 100
- Adoption: 39.0
- Upkeep: 92.0
- Freshness: 83.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: deep
- GitHub stars: 287
- License: MIT
- Official: no

## Install

```sh
/plugin marketplace add anthropics/claude-plugins-community
/plugin install genshijin@claude-community
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.