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mcp/harbor
Verified official

ONCE MCP

v0.1.0

app.once/mcp

Music distribution for agents: upload, AI-check, submit and track releases on ONCE.

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http mcp https://beta.once.app/api/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.