Vocaless MCP server

by ajselzilic·io.github.ajselzilic/vocaless·v0.1.3

Remove vocals from local audio files and transpose instrumentals through Vocaless.

C55/100grade C

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C55/100

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22 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

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Read from the package source without running it. The installed server may list more.

check_balance
Report the Vocaless credit balance and storage usage. Call this before separating several songs, so a shortfall is known up front instead of failing partway through, and whenever a call fails with INSUFFICIENT_CREDITS or STORAGE_LIMIT.
get_stems
Fetch download URLs for a separated song, optionally transposed or time-stretched. Call this after separate_vocals to collect the result, and call it again to change key or tempo. Transposing and time-stretching are free. If separation is still running this reports the status instead, so poll it every few seconds until the URLs come back.
separate_vocals
Split an audio file on this machine into a clean instrumental and an isolated vocal track. Call this when the user wants a backing track, a karaoke version, an acapella, or the vocals removed from a song they have on disk. Charges credits per minute of audio; call check_balance for the current rate. Returns a song_id immediately; separation finishes in the background, so call get_stems with that i

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

1 low

Code scan3 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenanceno repository listed3/15
Maintainer identityno repository or website to verify2/10

Overall 55/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y @vocaless/mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add vocaless -- npx -y @vocaless/mcp

Is Vocaless MCP server safe?: With care: it is graded C, so read the findings first (55/100). Read the Vocaless safety report
How do I install Vocaless?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Vocaless need an API key?: Yes. The registry entry asks for VOCALESS_API_KEY.
Is Vocaless maintained?: The latest release is v0.1.3.
What can I use instead of Vocaless?: Servers from other publishers that do the same job: unmarking MCP server, NotebookLM MCP server and Rendobar MCP server. Compare all Vocaless alternatives.

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