{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"awesome-elevenlabs","slug":"elevenlabs","name":"ElevenLabs","type":"mcp","url":"https://github.com/elevenlabs/elevenlabs-mcp","page_url":"https://unfragile.ai/elevenlabs","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"awesome-elevenlabs__cap_0","uri":"capability://text.generation.language.text.to.speech.synthesis.with.voice.cloning","name":"text-to-speech synthesis with voice cloning","description":"Converts text input to natural-sounding speech using ElevenLabs' proprietary neural voice synthesis engine, with support for voice cloning that learns speaker characteristics from short audio samples. The MCP server exposes this via standardized tool calling, allowing Claude and other MCP clients to invoke TTS without direct API integration. Supports multiple languages, voice parameters (stability, clarity), and audio format selection.","intents":["Generate spoken audio from text content in an AI agent workflow","Create personalized voice outputs using cloned speaker characteristics","Build accessibility features that read text aloud in natural voices","Produce multilingual audio content programmatically"],"best_for":["AI agent builders integrating voice output into conversational systems","Accessibility-focused application developers","Content creators automating audio production pipelines","Teams building multilingual voice applications"],"limitations":["Voice cloning requires minimum audio sample length (typically 1-3 minutes) for quality results","Real-time synthesis latency varies by text length and voice complexity (typically 1-5 seconds for moderate text)","API rate limits apply per subscription tier; high-volume use requires enterprise plan","Output audio quality depends on input text clarity and language support coverage"],"requires":["ElevenLabs API key with active subscription","MCP client compatible with tool calling (Claude 3.5+, other MCP-aware LLMs)","Network connectivity to ElevenLabs API endpoints","Audio playback or storage capability on client side"],"input_types":["text (plain or formatted)","language code (ISO 639-1 or similar)","voice ID (predefined or cloned)","voice parameters (stability, clarity floats)"],"output_types":["audio/mpeg (MP3)","audio/wav (WAV)","audio stream (for real-time playback)","base64-encoded audio data"],"categories":["text-generation-language","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_1","uri":"capability://data.processing.analysis.voice.to.text.transcription.with.speaker.identification","name":"voice-to-text transcription with speaker identification","description":"Transcribes audio input to text using ElevenLabs' speech recognition engine, with optional speaker diarization to identify and label different speakers in multi-speaker audio. Exposed through MCP tool calling, allowing agents to process voice recordings without external transcription service integration. Supports multiple audio formats and languages with automatic language detection.","intents":["Transcribe voice recordings or audio files into searchable text within an agent","Identify speaker turns in multi-speaker conversations for dialogue analysis","Process user voice input in conversational AI applications","Extract and structure spoken content for downstream NLP tasks"],"best_for":["Conversational AI systems that accept voice input","Meeting transcription and analysis workflows","Voice-based data collection and processing pipelines","Accessibility applications converting speech to text"],"limitations":["Transcription accuracy varies by audio quality, accent, and background noise levels","Speaker diarization requires distinct speaker characteristics; performs poorly on very similar voices","Processing latency scales with audio duration (real-time or near-real-time for <5 min, batch for longer)","Language support limited to ElevenLabs' trained language set; custom languages require fine-tuning"],"requires":["ElevenLabs API key with transcription feature enabled","Audio file in supported format (MP3, WAV, M4A, FLAC, or similar)","MCP client with tool calling capability","Audio duration limits per API tier (typically 1-60 minutes per request)"],"input_types":["audio file (MP3, WAV, M4A, FLAC, OGG)","audio stream (for real-time transcription)","language code (optional; auto-detected if omitted)","speaker diarization flag (boolean)"],"output_types":["plain text transcript","structured JSON with timestamps and speaker labels","confidence scores per segment","language detection metadata"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_2","uri":"capability://memory.knowledge.voice.library.management.and.voice.selection","name":"voice-library management and voice selection","description":"Provides programmatic access to ElevenLabs' voice library, enabling agents to list available voices, retrieve voice metadata (language, accent, age, gender characteristics), and select voices for synthesis tasks. Implemented as MCP tools that query ElevenLabs' voice catalog API and cache results for performance. Supports filtering by language, characteristics, and custom voice collections.","intents":["Discover available voices and their characteristics for dynamic voice selection","Filter voices by language or speaker characteristics for localized content","Manage custom voice collections and cloned voices programmatically","Select appropriate voices based on content context or user preferences"],"best_for":["Multi-voice content generation systems requiring voice discovery","Localization pipelines that need language-specific voice selection","Interactive applications letting users choose from available voices","Voice cloning workflows managing multiple custom voices"],"limitations":["Voice library is read-only through MCP; voice creation/deletion requires direct API or web UI","Voice metadata is static; real-time voice availability or usage quotas not exposed","Filtering capabilities limited to ElevenLabs' predefined metadata fields","Custom voice collections require prior creation outside MCP interface"],"requires":["ElevenLabs API key","MCP client with tool calling support","Network access to ElevenLabs voice catalog endpoint"],"input_types":["language code (optional filter)","voice characteristics filter (optional)","voice collection ID (optional)"],"output_types":["JSON array of voice objects with metadata","individual voice object with ID, name, language, characteristics","voice availability status"],"categories":["memory-knowledge","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_3","uri":"capability://text.generation.language.real.time.voice.streaming.for.conversational.agents","name":"real-time voice streaming for conversational agents","description":"Enables bidirectional audio streaming between agents and ElevenLabs' TTS engine, supporting low-latency voice synthesis for interactive conversational applications. Uses WebSocket or similar streaming protocol to send text chunks and receive audio in real-time, with buffering and synchronization to maintain conversation flow. Supports voice parameter adjustments mid-stream for dynamic voice control.","intents":["Build voice-based conversational agents with natural back-and-forth dialogue","Stream synthesized speech in real-time without waiting for full text completion","Adjust voice characteristics dynamically during ongoing conversations","Create responsive voice interfaces with minimal latency perception"],"best_for":["Real-time voice assistant applications","Interactive voice-based games or simulations","Live customer service bots with voice interaction","Streaming content platforms with voice narration"],"limitations":["Streaming latency depends on network conditions and text buffer size; typically 200-800ms end-to-end","Requires persistent connection; network interruptions require reconnection and state recovery","Voice parameter changes mid-stream may cause audio artifacts or brief discontinuities","Concurrent streaming connections limited by API tier; high-volume applications need enterprise plan"],"requires":["ElevenLabs API key with streaming enabled","MCP client with streaming/WebSocket support","Stable network connection with low latency","Audio playback capability with buffer management"],"input_types":["text chunks (streamed incrementally)","voice ID","voice parameters (stability, clarity)","language code"],"output_types":["audio stream (MP3 or PCM chunks)","timing metadata (chunk boundaries, latency estimates)","connection status signals"],"categories":["text-generation-language","tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_4","uri":"capability://data.processing.analysis.audio.format.conversion.and.optimization","name":"audio format conversion and optimization","description":"Converts synthesized or uploaded audio between formats (MP3, WAV, FLAC, OGG) and applies optimization parameters (bitrate, sample rate, compression) for different use cases. Implemented as MCP tools wrapping ElevenLabs' audio processing pipeline, allowing agents to request specific output formats without client-side audio processing. Supports batch conversion for multiple files.","intents":["Generate audio in the specific format required by downstream systems or platforms","Optimize audio file size for storage or transmission constraints","Convert between formats for compatibility with different playback devices","Batch process multiple audio files with consistent format and quality settings"],"best_for":["Content distribution pipelines requiring multiple audio formats","Mobile applications needing optimized audio for bandwidth constraints","Archival systems standardizing audio format across collections","Batch audio processing workflows"],"limitations":["Format conversion quality depends on source audio quality; lossy-to-lossless conversion cannot recover lost data","Bitrate optimization is lossy; very low bitrates (<64kbps) may introduce audible artifacts","Batch conversion has throughput limits; large batches may require queuing","Custom audio processing (EQ, normalization) not available; only format/bitrate conversion"],"requires":["ElevenLabs API key","Audio file or stream to convert","Target format specification","MCP client with file handling capability"],"input_types":["audio file (MP3, WAV, FLAC, OGG, M4A)","target format code (mp3, wav, flac, ogg)","bitrate specification (optional)","sample rate specification (optional)"],"output_types":["converted audio file in target format","file size and duration metadata","quality/bitrate confirmation"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_5","uri":"capability://data.processing.analysis.voice.cloning.with.sample.management","name":"voice cloning with sample management","description":"Manages the voice cloning workflow, including uploading audio samples, training cloned voices, and storing voice metadata. Implemented as MCP tools that handle sample upload, initiate cloning jobs, poll for completion status, and store resulting voice IDs. Supports iterative refinement by uploading additional samples to improve clone quality. Includes sample validation to ensure audio meets quality requirements.","intents":["Create custom cloned voices from user-provided audio samples","Manage multiple cloned voices and their training status","Validate audio samples before cloning to ensure quality","Refine cloned voices by uploading additional training samples"],"best_for":["Personalized voice applications requiring user-specific voices","Brand voice creation for consistent audio branding","Accessibility applications using user's own voice","Entertainment applications with character-specific voices"],"limitations":["Voice cloning quality requires minimum sample duration (typically 1-3 minutes of clear speech)","Training time varies (typically 5-30 minutes) and is asynchronous; requires polling or webhook integration","Cloned voices may not perfectly match source speaker in all contexts or languages","Sample quality requirements strict; background noise, music, or multiple speakers degrade results","Storage limits on cloned voices per account; enterprise plans have higher limits"],"requires":["ElevenLabs API key with voice cloning feature","Audio samples in supported format (WAV, MP3, FLAC)","Sample duration meeting minimum requirements","MCP client with file upload and polling capability"],"input_types":["audio file (WAV, MP3, FLAC) for cloning","voice name (string)","voice description (optional)","language code (optional)"],"output_types":["voice ID (for use in synthesis)","cloning job status (pending, processing, completed, failed)","quality assessment metadata","training completion timestamp"],"categories":["data-processing-analysis","tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_6","uri":"capability://text.generation.language.multilingual.content.generation.with.language.aware.voice.selection","name":"multilingual content generation with language-aware voice selection","description":"Automatically selects appropriate voices and applies language-specific synthesis parameters based on content language, enabling seamless multilingual audio generation. Implemented as MCP tools that detect or accept language codes, filter voice library by language, and apply language-specific TTS settings (prosody, phoneme handling). Supports code-switching (mixing languages in single utterance) with appropriate voice transitions.","intents":["Generate audio content in multiple languages with appropriate voices","Automatically select language-appropriate voices without manual mapping","Handle code-switching scenarios where content mixes multiple languages","Build globally accessible applications with native-sounding audio in each language"],"best_for":["Global content platforms serving multiple language markets","Multilingual AI assistants with voice output","Educational applications teaching multiple languages","Localization pipelines automating audio generation"],"limitations":["Language detection accuracy depends on text clarity; ambiguous text may be misclassified","Code-switching support limited to language pairs with available voices; some combinations may require fallback","Prosody and phoneme handling varies by language; some languages have limited customization","Voice quality varies across languages; some languages have fewer voice options than others"],"requires":["ElevenLabs API key","Language code or auto-detection capability","MCP client with language detection or specification","Voice library with multilingual coverage"],"input_types":["text content (single or multiple languages)","language code (ISO 639-1 or similar)","language detection flag (boolean)"],"output_types":["audio with language-appropriate voice","language detection confidence scores","voice selection metadata (language, accent)"],"categories":["text-generation-language","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_7","uri":"capability://data.processing.analysis.audio.metadata.extraction.and.analysis","name":"audio metadata extraction and analysis","description":"Extracts and analyzes metadata from audio files, including duration, sample rate, bitrate, language detection, speaker characteristics, and emotional tone estimation. Implemented as MCP tools that process audio and return structured metadata, enabling agents to understand audio properties before processing. Supports batch analysis of multiple files.","intents":["Analyze audio properties before processing or storage","Detect language and speaker characteristics from audio","Estimate emotional tone or sentiment from voice","Validate audio quality and format before synthesis or storage"],"best_for":["Audio quality assurance and validation workflows","Content analysis pipelines requiring audio metadata","Accessibility applications analyzing speaker characteristics","Emotion detection and sentiment analysis systems"],"limitations":["Emotional tone estimation is probabilistic; accuracy varies by speaker, accent, and audio quality","Language detection may fail on mixed-language or heavily accented speech","Speaker characteristic estimation (age, gender) based on acoustic features; may be inaccurate or biased","Batch analysis throughput limited by API tier"],"requires":["ElevenLabs API key with audio analysis feature","Audio file in supported format","MCP client with file handling"],"input_types":["audio file (MP3, WAV, FLAC, OGG, M4A)","analysis type specification (optional)"],"output_types":["JSON object with metadata (duration, sample rate, bitrate, format)","language detection results with confidence","speaker characteristics (estimated age, gender, accent)","emotional tone scores"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_8","uri":"capability://text.generation.language.pronunciation.and.phoneme.control.for.synthesis","name":"pronunciation and phoneme control for synthesis","description":"Allows fine-grained control over pronunciation and phoneme handling in synthesized speech, enabling agents to specify exact pronunciations for proper nouns, technical terms, or non-standard words. Implemented as MCP tools accepting phonetic specifications (IPA, SSML, or proprietary format) and applying them during synthesis. Supports language-specific phoneme sets and custom pronunciation dictionaries.","intents":["Ensure correct pronunciation of proper nouns, brand names, or technical terms","Control stress and intonation patterns for specific words","Handle non-standard words or acronyms with custom pronunciations","Create consistent pronunciation across multiple synthesis calls"],"best_for":["Technical documentation and training materials requiring precise pronunciation","Brand voice applications needing consistent proper noun pronunciation","Multilingual applications handling foreign words or names","Accessibility applications requiring phonetic control"],"limitations":["Phoneme specification requires knowledge of target language phonetics; complex for non-linguists","Custom pronunciation dictionaries must be pre-created and uploaded; not dynamically learned","SSML or IPA support varies by language; some languages have limited phonetic control","Phoneme changes may affect naturalness if overused; excessive control can create robotic output"],"requires":["ElevenLabs API key","Phonetic specification format (IPA, SSML, or ElevenLabs format)","Knowledge of target language phonetics","MCP client with text processing capability"],"input_types":["text with phonetic annotations","SSML markup with phoneme tags","custom pronunciation dictionary (JSON or similar)","language code"],"output_types":["synthesized audio with applied pronunciations","phoneme confirmation metadata","pronunciation validation results"],"categories":["text-generation-language","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-elevenlabs__cap_9","uri":"capability://automation.workflow.usage.tracking.and.quota.management","name":"usage tracking and quota management","description":"Provides real-time access to API usage statistics, quota limits, and billing information through MCP tools. Enables agents to monitor character counts, synthesis requests, and streaming minutes consumed, and make decisions based on remaining quota. Implements quota-aware rate limiting to prevent exceeding API limits. Supports usage alerts and quota threshold notifications.","intents":["Monitor API usage and remaining quota in real-time","Implement quota-aware rate limiting in agent workflows","Trigger alerts when approaching quota limits","Make cost-aware decisions about synthesis parameters or batch sizes"],"best_for":["Production applications requiring quota management","Cost-conscious deployments optimizing API usage","Multi-tenant systems allocating quota across users","Monitoring and alerting systems tracking API health"],"limitations":["Usage data may have slight delay (typically <1 minute) due to API aggregation","Quota limits are per API key; no fine-grained per-user quota enforcement","Rate limiting is advisory; actual API rate limits enforced server-side","Historical usage data retention limited by API tier"],"requires":["ElevenLabs API key","MCP client with polling capability","Network access to ElevenLabs usage endpoint"],"input_types":["time range for usage query (optional)","usage metric type (characters, requests, minutes)"],"output_types":["JSON object with usage statistics","quota limits and remaining quota","billing information","usage trend data"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":27,"verified":false,"data_access_risk":"moderate","permissions":["ElevenLabs API key with active subscription","MCP client compatible with tool calling (Claude 3.5+, other MCP-aware LLMs)","Network connectivity to ElevenLabs API endpoints","Audio playback or storage capability on client side","ElevenLabs API key with transcription feature enabled","Audio file in supported format (MP3, WAV, M4A, FLAC, or similar)","MCP client with tool calling capability","Audio duration limits per API tier (typically 1-60 minutes per request)","ElevenLabs API key","MCP client with tool calling support"],"failure_modes":["Voice cloning requires minimum audio sample length (typically 1-3 minutes) for quality results","Real-time synthesis latency varies by text length and voice complexity (typically 1-5 seconds for moderate text)","API rate limits apply per subscription tier; high-volume use requires enterprise plan","Output audio quality depends on input text clarity and language support coverage","Transcription accuracy varies by audio quality, accent, and background noise levels","Speaker diarization requires distinct speaker characteristics; performs poorly on very similar voices","Processing latency scales with audio duration (real-time or near-real-time for <5 min, batch for longer)","Language support limited to ElevenLabs' trained language set; custom languages require fine-tuning","Voice library is read-only through MCP; voice creation/deletion requires direct API or web UI","Voice metadata is static; real-time voice availability or usage quotas not exposed","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.3,"ecosystem":0.39999999999999997,"match_graph":0.25,"freshness":0.52,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-06-17T09:51:03.039Z","last_scraped_at":"2026-05-03T14:00:15.503Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=elevenlabs","compare_url":"https://unfragile.ai/compare?artifact=elevenlabs"}},"signature":"8OYaKj4RtDHHe8jpqxRz7eEMKu8J/t5jzCH8pGsCEcn2uZeQVVXraKxLTDz+C3sMyKeWRlTr2x4FrKtZoNmlBA==","signedAt":"2026-06-22T05:21:29.040Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/elevenlabs","artifact":"https://unfragile.ai/elevenlabs","verify":"https://unfragile.ai/api/v1/verify?slug=elevenlabs","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}