@vocametrix/mcp-server

Official Model Context Protocol server for the Vocametrix voice analysis API.

Gives any MCP-compatible AI assistant (Claude Desktop, Cursor, Cline, etc.) direct access to clinical voice metrics, pronunciation assessment, speech transcription, and AI-powered therapy planning.

Quick start

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "vocametrix": {
      "command": "npx",
      "args": ["-y", "@vocametrix/mcp-server"],
      "env": {
        "VOCAMETRIX_API_KEY": "your-api-key-here"
      }
    }
  }
}

Get an API key at vocametrix.com/registration. Free trial: 5 minutes of analysis.

Tools

Voice quality (acoustic)

Tool	Description
vocametrix_avqi	Acoustic Voice Quality Index (AVQI) — overall dysphonia severity
vocametrix_dsi	Dysphonia Severity Index (DSI)
vocametrix_cpp_cpps	Cepstral Peak Prominence — breathiness, hoarseness
vocametrix_hnr	Harmonics-to-Noise Ratio (multi-band)
vocametrix_jitter_shimmer	Period and amplitude perturbation
vocametrix_vrp	Voice Range Profile
vocametrix_prosody_similarity	Prosody similarity between two utterances

Advanced voice analysis

Tool	Description
vocametrix_spectral	Spectral tilt, slope, and formant energy
vocametrix_formants	Formant frequencies F1–F4
vocametrix_sz_ratio	S/Z phonation ratio
vocametrix_gne	Glottal-to-Noise Excitation
vocametrix_h1h2	H1–H2 harmonic difference
vocametrix_abi	Acoustic Breathiness Index
vocametrix_voice_dynamics	Dynamic range and fundamental frequency statistics

Ingestion utilities

Tool	Description
vocametrix_upload_audio	Upload a WAV file (base64) → returns a stable blobUrl
vocametrix_ingest_url	Ingest a public HTTPS WAV URL → returns a stable blobUrl

Speech and pronunciation

Tool	Description
vocametrix_assess_pronunciation	Phoneme-level pronunciation scoring
vocametrix_assess_pronunciation_pitch	Pronunciation + pitch analysis combined
vocametrix_transcribe	Streaming ASR transcription with progress
vocametrix_tts	Text-to-speech synthesis
vocametrix_tts_timing	TTS with word-level timing data

Audio measures

Tool	Description
vocametrix_sound_level	dB SPL and intensity statistics
vocametrix_egemaps	Extended Geneva Minimalistic Acoustic Parameter Set
vocametrix_phoneme_detection	Phoneme presence/absence detection
vocametrix_classify_stuttering	Dysfluency classification

AI agents

Tool	Description
vocametrix_agent_interpret_metrics	Clinical interpretation of voice metrics
vocametrix_agent_exercises	Personalized voice/speech exercise generation
vocametrix_agent_word_list	Target word list generation for therapy
vocametrix_agent_therapist_chat	Conversational AI speech-language therapist
vocametrix_agent_french_ipa	French text → IPA phonetic transcription
vocametrix_agent_spell	Spelling correction agent
vocametrix_agent_syntax	Syntax checking agent
vocametrix_agent_vocabulary_tutor	Vocabulary tutoring agent
vocametrix_agent_adaptive_exercise	Adaptive exercise generation

Therapy planning

Tool	Description
vocametrix_generate_therapy_plan	Generate an AI therapy plan
vocametrix_get_therapy_status	Poll therapy plan generation status
`vocam

... View full README on GitHub