Clinical voice analysis MCP server — AVQI, DSI, jitter/shimmer, pronunciation assessment, and more.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"vocametrix": {
"env": {
"VOCAMETRIX_API_KEY": "your-api-key-here"
},
"args": [
"-y",
"@vocametrix/mcp-server"
],
"command": "npx"
}
}
}Are you the author?
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Official Model Context Protocol server for the Vocametrix voice analysis API.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'npm' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
Packing does not respect root-level ignore files in workspaces
### Impact `npm pack` ignores root-level `.gitignore` & `.npmignore` file exclusion directives when run in a workspace or with a workspace flag (ie. `--workspaces`, `--workspace=<name>`). Anyone who has run `npm pack` or `npm publish` with workspaces, as of [v7.9.0](https://github.com/npm/cli/releases/tag/v7.9.0) & [v7.13.0](https://github.com/npm/cli/releases/tag/v7.13.0) respectively, may be affected and have published files into the npm registry they did not intend to include. ### Patch - Up
Incorrect Permission Assignment for Critical Resource in NPM
An issue was discovered in an npm 5.7.0 2018-02-21 pre-release (marked as "next: 5.7.0" and therefore automatically installed by an "npm upgrade -g npm" command, and also announced in the vendor's blog without mention of pre-release status). It might allow local users to bypass intended filesystem access restrictions because ownerships of /etc and /usr directories are being changed unexpectedly, related to a "correctMkdir" issue.
Local Privilege Escalation in npm
Affected versions of `npm` use predictable temporary file names during archive unpacking. If an attacker can create a symbolic link at the location of one of these temporary file names, the attacker can arbitrarily write to any file that the user which owns the `npm` process has permission to write to, potentially resulting in local privilege escalation. ## Recommendation Update to version 1.3.3 or later.
npm CLI exposing sensitive information through logs
Versions of the npm CLI prior to 6.14.6 are vulnerable to an information exposure vulnerability through log files. The CLI supports URLs like `<protocol>://[<user>[:<password>]@]<hostname>[:<port>][:][/]<path>`. The password value is not redacted and is printed to stdout and also to any generated log files.
npm Vulnerable to Global node_modules Binary Overwrite
Versions of the npm CLI prior to 6.13.4 are vulnerable to a Global node_modules Binary Overwrite. It fails to prevent existing globally-installed binaries to be overwritten by other package installations. For example, if a package was installed globally and created a `serve` binary, any subsequent installs of packages that also create a `serve` binary would overwrite the first binary. This will not overwrite system binaries but only binaries put into the global node_modules directory. This b
Click any tool to inspect its schema.
apiAPI quick reference (auth, rate limits, audio requirements, error codes)
vocametrix://docs/api
thresholdsClinical reference thresholds for avqi, dsi, cpp, hnr, jitter-shimmer, gne
vocametrix://thresholds/{metric}
interpret_voice_assessmentGenerate a clinical SLP-style interpretation report from assessment JSON
compare_pre_post_therapyQuantified pre/post therapy narrative with metric-by-metric comparison
generate_session_reportSOAP-format progress note from pronunciation assessment data
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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.
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.
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Tool | Description |
|---|---|
vocametrix_generate_therapy_plan | Generate an AI therapy plan |
vocametrix_get_therapy_status | Poll therapy plan generation status |
| `vocam |