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Stem Separator Demucs MCP
x402
Stem Separator Demucs MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.18/call, status unknown (last checked 2026-09-14).
Separates an audio track into individual stems (vocals, drums, bass, other) using the Demucs deep learning model
Price / call$0.18
Success—
StatusUnknown
How this service works
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Output
Returns separated audio stems for the input audio — typically individual tracks for vocals, drums, bass, and other/instrumental components, processed by the Demucs neural network model.
Example use cases
Karaoke track creation
“I have this song as a base64-encoded audio file. Can you run it through Demucs stem separation and give me just the instrumental version without the vocals, so I can use it for karaoke?”
Music remix stem extraction
“I'm remixing a track and need to isolate the drum and bass stems from this encoded audio. Can you separate it into its individual components using the Demucs separator?”
Vocal isolation for sampling
“I want to sample just the vocal part from this audio clip — can you separate it into stems and pull out the vocals? Here's the encoded audio data to process.”
Technical details
Endpoint
POSThttps://api.m2mcent.com/stem-separator-demucs-mcp/api/processWhen to prefer
Choose this endpoint when you need AI-powered source separation of mixed audio into distinct stems (vocals, drums, bass, other) using the Demucs deep learning model. Ideal for music production workflows, remixing, karaoke generation, or any scenario requiring isolated instrument or vocal tracks from a mixed audio file.
Side effects
- Invalid or malformed audio data in the 'data' field returns an error
- Audio format not supported by Demucs causes processing failure
- Very long audio files may time out or exceed processing limits
- Empty or missing 'data' field returns a validation error
- Corrupted base64 encoding leads to decoding failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| payload | string |
Output
Schema · Response
{
"type": "json",
"example": {
"success": true
}
}Tags
x402
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