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Add German language support with auto-detection #6

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c82bbbb
Add SKILL-EN.md for explicit English-only use
rf-leon Jan 19, 2026
4181db7
Add SKILL-DE.md with German AI writing patterns
rf-leon Jan 19, 2026
a5a95d9
Update SKILL.md as universal wrapper with auto language detection
rf-leon Jan 19, 2026
0c5e329
Update documentation for multilingual support
rf-leon Jan 19, 2026
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102 changes: 93 additions & 9 deletions README.md
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# Humanizer

A Claude Code skill that removes signs of AI-generated writing from text, making it sound more natural and human.
A Claude Code skill that removes signs of AI-generated writing from text, making it sound more natural and human. Supports **English** and **German** with automatic language detection.

## Installation

Expand All @@ -13,7 +13,7 @@ git clone https://github.com/blader/humanizer.git ~/.claude/skills/humanizer

### Manual install/update (only the skill file)

If you already have this repo cloned (or you downloaded `SKILL.md`), copy the skill file into Claude Code’s skills directory:
If you already have this repo cloned (or you downloaded `SKILL.md`), copy the skill file into Claude Code's skills directory:

```bash
mkdir -p ~/.claude/skills/humanizer
Expand All @@ -22,29 +22,52 @@ cp SKILL.md ~/.claude/skills/humanizer/

## Usage

In Claude Code, invoke the skill:
### Universal (auto-detects language)

```
/humanizer

[paste your text here]
[paste your text here - English or German]
```

Or ask Claude to humanize text directly:
The skill automatically detects the language and applies the appropriate patterns.

### Language-specific skills

For explicit language control:

```
/humanizer-en # English patterns only
/humanizer-de # German patterns only (Deutsche Muster)
```

Or ask Claude directly:

```
Please humanize this text: [your text]
```

## Skill Files

| File | Skill Name | Description |
|------|------------|-------------|
| `SKILL.md` | `humanizer` | Universal with auto language detection (EN/DE) |
| `SKILL-EN.md` | `humanizer-en` | English patterns only |
| `SKILL-DE.md` | `humanizer-de` | German patterns only |

## Overview

Based on [Wikipedia's "Signs of AI writing"](https://en.wikipedia.org/wiki/Wikipedia:Signs_of_AI_writing) guide, maintained by WikiProject AI Cleanup. This comprehensive guide comes from observations of thousands of instances of AI-generated text.
Based on Wikipedia's comprehensive AI writing detection guides:
- [Wikipedia:Signs of AI writing](https://en.wikipedia.org/wiki/Wikipedia:Signs_of_AI_writing) (English)
- [Wikipedia:Anzeichen für KI-generierte Inhalte](https://de.wikipedia.org/wiki/Wikipedia:Anzeichen_f%C3%BCr_KI-generierte_Inhalte) (German)

Both are maintained by WikiProject AI Cleanup. These guides come from observations of thousands of instances of AI-generated text.

### Key Insight from Wikipedia

> "LLMs use statistical algorithms to guess what should come next. The result tends toward the most statistically likely result that applies to the widest variety of cases."

## 24 Patterns Detected (with Before/After Examples)
## 24 English Patterns

### Content Patterns

Expand Down Expand Up @@ -95,21 +118,82 @@ Based on [Wikipedia's "Signs of AI writing"](https://en.wikipedia.org/wiki/Wikip
| 23 | **Excessive hedging** | "could potentially possibly" | "may" |
| 24 | **Generic conclusions** | "The future looks bright" | Specific plans or facts |

## Full Example
## 24 German Patterns (Deutsche Muster)

### Inhaltsmuster

| # | Muster | Vorher | Nachher |
|---|--------|--------|---------|
| 1 | **Symbolik-Betonung** | "markierte einen entscheidenden Wendepunkt" | "wurde 1989 gegründet, um..." |
| 2 | **Werbesprache** | "eingebettet in die atemberaubende Region" | "ist eine Stadt in der Region" |
| 3 | **Partizip-Analysen** | "symbolisierend... widerspiegelnd..." | Konkrete Aussagen |
| 4 | **Vage Autoritäten** | "Experten glauben" | "laut einer Studie von..." |
| 5 | **Formelhafte Schlüsse** | "Trotz dieser Herausforderungen gedeiht..." | Konkrete Fakten |
| 6 | **Redaktionelle Kommentare** | "Es ist wichtig zu bemerken" | Direkt formulieren |

### Sprachmuster

| # | Muster | Vorher | Nachher |
|---|--------|--------|---------|
| 7 | **KI-Konjunktionen** | "Darüber hinaus... Zusätzlich..." | "auch... außerdem..." |
| 8 | **Fazit-Abschnitte** | "Fazit: Zusammenfassend lässt sich sagen" | Direkte Aussage |
| 9 | **Negative Parallelismen** | "Es geht nicht nur um X, sondern um Y" | Direkt formulieren |
| 10 | **Dreierregel** | "Innovation, Inspiration und Einblicke" | Natürliche Anzahl |
| 11 | **Synonymwechsel** | "Protagonist... Hauptfigur... Held" | Konsistente Begriffe |
| 12 | **Falsche Erweiterung** | "von X bis Y" (ohne echte Skala) | Direkte Auflistung |

### Stilmuster

| # | Muster | Vorher | Nachher |
|---|--------|--------|---------|
| 13 | **Gedankenstrich-Übernutzung** | "—nicht von den Menschen—dennoch—" | Kommata oder Punkte |
| 14 | **Übermäßige Fettschrift** | "**OKRs**, **KPIs**, **BMC**" | "OKRs, KPIs, BMC" |
| 15 | **Inline-Überschriften** | "**Leistung:** Die Leistung wurde..." | Prosa-Absatz |
| 16 | **Emojis** | "🚀 Startphase: 💡 Erkenntnis:" | Emojis entfernen |

### Kommunikationsmuster

| # | Muster | Vorher | Nachher |
|---|--------|--------|---------|
| 17 | **Chatbot-Artefakte** | "Ich hoffe, das hilft!" | Entfernen |
| 18 | **Wissenslücken-Hinweise** | "Stand meines letzten Updates..." | Quellen finden oder entfernen |
| 19 | **KI-Selbstreferenzen** | "Als KI-Sprachmodell kann ich nicht..." | Entfernen |
| 20 | **Schmeichlerischer Ton** | "Tolle Frage! Sie haben absolut recht!" | Direkt antworten |
| 21 | **Abrupte Abbrüche** | Text endet mitten im Satz | Vervollständigen oder entfernen |

### Füllwörter und Absicherungen

| # | Muster | Vorher | Nachher |
|---|--------|--------|---------|
| 22 | **Füllphrasen** | "Aufgrund der Tatsache, dass" | "Weil" |
| 23 | **Übermäßige Absicherung** | "könnte möglicherweise potenziell" | "kann" |
| 24 | **Generische Schlüsse** | "Die Zukunft sieht vielversprechend aus" | Konkrete Pläne |

## Full Example (English)

**Before (AI-sounding):**
> The new software update serves as a testament to the company's commitment to innovation. Moreover, it provides a seamless, intuitive, and powerful user experience—ensuring that users can accomplish their goals efficiently. It's not just an update, it's a revolution in how we think about productivity. Industry experts believe this will have a lasting impact on the entire sector, highlighting the company's pivotal role in the evolving technological landscape.

**After (Humanized):**
> The software update adds batch processing, keyboard shortcuts, and offline mode. Early feedback from beta testers has been positive, with most reporting faster task completion.

## Vollständiges Beispiel (Deutsch)

**Vorher (KI-klingend):**
> Das neue Software-Update steht als Zeugnis für das Engagement des Unternehmens für Innovation. Darüber hinaus bietet es eine nahtlose, intuitive und leistungsstarke Benutzererfahrung – gewährleistend, dass Nutzer ihre Ziele effizient erreichen können. Es geht nicht nur um ein Update, sondern um eine Revolution. Branchenexperten glauben, dass dies einen bleibenden Einfluss auf den gesamten Sektor haben wird.

**Nachher (Humanisiert):**
> Das Software-Update fügt Stapelverarbeitung, Tastenkombinationen und einen Offline-Modus hinzu. Erste Rückmeldungen von Beta-Testern waren positiv – die meisten berichten von schnellerer Aufgabenerledigung.

## References

- [Wikipedia: Signs of AI writing](https://en.wikipedia.org/wiki/Wikipedia:Signs_of_AI_writing) - Primary source
- [Wikipedia: Signs of AI writing](https://en.wikipedia.org/wiki/Wikipedia:Signs_of_AI_writing) - English source
- [Wikipedia: Anzeichen für KI-generierte Inhalte](https://de.wikipedia.org/wiki/Wikipedia:Anzeichen_f%C3%BCr_KI-generierte_Inhalte) - German source
- [WikiProject AI Cleanup](https://en.wikipedia.org/wiki/Wikipedia:WikiProject_AI_Cleanup) - Maintaining organization

## Version History

- **3.0.0** - Added German language support with auto-detection; restructured to three skill files (universal, EN, DE)
- **2.1.0** - Added before/after examples for all 24 patterns
- **2.0.0** - Complete rewrite based on raw Wikipedia article content
- **1.0.0** - Initial release
Expand Down
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