{"uid":"cap_xzVhuNqVgsmrK0paidM-u","slug":"stem-separator-demucs-mcp-8cc5be54","name":"Stem Separator Demucs MCP","description":"The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.","url":"https://api.m2mcent.com/stem-separator-demucs-mcp/api/process","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"payload":{"type":"string"}}},"responseSchema":{"type":"json","example":{"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.18","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.18/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.18","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.18","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kvihcVahlY69z2d94LEDt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.18","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Separates an audio track into individual stems (vocals, drums, bass, other) using the Demucs deep learning model","exampleAgentPrompt":"Can you separate this song into individual stems — vocals, drums, bass, and everything else — using Demucs? Here's the audio data encoded as a base64 string: [audio_data].","exampleUseCases":[{"title":"Karaoke track creation","prompt":"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?"},{"title":"Music remix stem extraction","prompt":"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?"},{"title":"Vocal isolation for sampling","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T17:51:30.673Z","isFirstParty":false}