Natural Voice MCP
Make AI-generated text sound like a real person wrote it.
This VS Code extension provides an MCP server that teaches Claude/Antigravity how humans actually write and speak online. It includes detection tools for AI-generated patterns and guides for authentic voice across platforms.
Features
🔧 Tools
- detect_ai_patterns — Analyze text and get a human-likeness score
- suggest_improvements — Get specific fixes for unnatural phrasing
📚 Resources
- AI Tells — Common patterns that reveal AI-generated text
- Cognitive Posture — Systems for motivation, energy, and persona
- Conversational Patterns — How humans actually write
- Twitter Voice — Platform-specific authenticity
- LinkedIn Voice — Professional but real
Usage
Once installed, the MCP server auto-starts. Use these in your AI prompts:
"Read the ai-tells resource and help me fix this text"
"Use detect_ai_patterns on: [your text]"
"Read the cognitive-posture guide"
Commands
Natural Voice: Detect AI Patterns in Selection— Analyze selected text
What It Detects
| Pattern | Impact |
|---|---|
| "Thrilled to announce" | -10 points |
| "Furthermore/Moreover" | -5 points |
| No contractions | -10 points |
| Em dash overuse (3+) | -10 points |
| Perfect paragraph uniformity | -5 points |
Score 80+: Sounds human ✓
Score 50-80: Some AI tells present
Score <50: Strong AI indicators
License
MIT