voicekit_grade_voice – 2 MCP servers offer this tool

What it usually takes

  • category – in 2 of 2
  • reference_audio_base64 – in 2 of 2
  • reference_text – in 2 of 2
  • user_audio_base64 – in 2 of 2

No server marks it as only reading: treat it as able to change data.

From each publisher's own tool list. We never call a tool.

Servers

ServerInputsRead-only?
VoiceKit MCP co.huggingface.mcp-1st-birthday/voicekit Comprehensively compare and analyze user voice with reference voice. Evaluates with 5 metrics: - pronunciation: Pronunciation accuracy (STT-based) - tone: Voice timbre similarity (Wav2Vec2 embedding) - pitch: Pitch matching - rhythm: Rhythm sense - energy: Energy expressiveness. Returns: overall_score, metrics, weak_points, strong_points, feedbackcategory,reference_audio_base64,reference_text,user_audio_base64Not stated
VoiceKit MCP co.huggingface.brickhousestudiosllc/voicekit Compare two voices/audio clips using real DSP feature similarity (real-dsp-v1). This is not ASR pronunciation grading yet; pronunciation/transcript fields are retained for M4/UI compatibility and marked as acoustic proxies.category,reference_audio_base64,reference_text,user_audio_base64Not stated