| chatterbox_available | Check if Chatterbox Service is Available |
| chatterbox_voice_upload | Upload Voice to Chatterbox |
| clear_native_chatterbox_cache | Clear native chatterbox model cache |
| elevenlabs_voices | List ElevenLabs Voices |
| elevenlabs_voice_delete | Delete ElevenLabs Voice |
| elevenlabs_voice_upload | Upload Voice to ElevenLabs (Instant Voice Clone) |
| languages | List Supported Languages |
| qwen3_available | Check if Qwen3-TTS Service is Available |
| set_elevenlabs_key | Set ElevenLabs API Key |
| set_tts_base | Set the TTS API Base URL |
| set_tts_key | Set the TTS API Key |
| speech_clone | Generate Speech with Voice Cloning |
| speech_design | Generate Speech with Designed Voice |
| tts | Generate Speech from Text |
| tts_health | Check TTS API Health |
| tts_providers | TTS Provider Configurations |
| tts_voices | Get Voices for a TTS Provider |
| voices | List Available Voices |
| voice_ensure | Ensure Voice is Available on TTS Server |
| voice_file | Resolve Voice Name to File Path |
| voice_library | List Voice Files in Library |
| voice_upload | Upload Voice to Library |