AllVoiceLab-MCP

AllVoiceLab-MCP is an MCP server that exposes tools for text-to-speech, voice conversion, voice cloning, video translation/dubbing, subtitles extraction, and subtitle removal by calling AllVoiceLab’s underlying TTS/VC/video translation APIs.

Evaluated Mar 30, 2026 (22d ago)

Homepage ↗ Repo ↗ Ai Ml mcp tts speech-to-speech voice-cloning video-translation dubbing subtitle-extraction ocr python

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

Uses an API key supplied via environment variables. No information is provided about TLS enforcement, secret logging, request signing, or least-privilege/scoped tokens. The README provides region/domain configuration guidance, which can reduce accidental misrouting but does not address credential exposure risks.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

You want an agent-friendly MCP interface to AllVoiceLab’s voice/video features with minimal setup via environment variables and MCP clients like Claude Desktop/Cursor.

Avoid When

You need fine-grained access control, formal compliance documentation, or where regional API domain mismatch handling and operational behavior cannot be tolerated.

Use Cases

• AI-generated audiobooks and narration
• Localized dubbing for short-form video/film
• Voice conversion for dubbing, gaming, or streaming
• Cloning voices from audio samples for custom voice profiles
• Subtitle extraction to generate SRT files via OCR
• Subtitle removal (hard-sub erase) using OCR

Not For

• Use as a fully offline tool (it depends on external APIs)
• Applications requiring strongly documented SLAs, retry/idempotency guarantees, or detailed operational guidance
• Environments where API-key-based access is not acceptable

Interface

REST API

GraphQL

gRPC

MCP Server

Yes

SDK

Webhooks

Authentication

Methods: API key via environment variable ALLVOICELAB_API_KEY

OAuth: No Scopes: No

Authentication is described as an API key. The README emphasizes that the chosen API domain must match the key’s region (global vs mainland), otherwise tools become unavailable.

Pricing

Free tier: No

Requires CC: No

The README states that AllVoiceLab credits are needed to use the tools, but does not provide pricing, free tier, or per-operation cost estimates.

Agent Metadata

Pagination

none

Idempotent

False

Retry Guidance

Not documented

Known Gotchas

⚠ Regional domain mismatch: the README warns that API domain must match the API key region (global vs mainland) or tools may be unavailable.
⚠ Requires credits for tool usage (agent runs may fail if credits are exhausted).

Alternatives

Direct integration with AllVoiceLab REST APIs (if available) using your own backend Other MCP/TTS/voice-cloning providers offering similar tools Building a custom MCP server wrapper around your chosen TTS/VC/video translation APIs

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Scores are editorial opinions as of 2026-03-30.