MCP SERVER

ONCE

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

Media, audio & videomcp

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About ONCE

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

How to connect

What is the endpoint and how does it run?

Hosted remote server over Streamable HTTP at https://beta.once.app/api/mcp.

How do I add ONCE to Claude Code, Cursor or Claude Desktop?

One command, any client (npm)

npx ruagentic add once

Claude Code

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

Cursor, Windsurf and other clients that accept a URL (mcp.json)

{
  "mcpServers": {
    "once": {
      "url": "https://beta.once.app/api/mcp"
    }
  }
}

Claude Desktop (claude_desktop_config.json, via the mcp-remote bridge)

{
  "mcpServers": {
    "once": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://beta.once.app/api/mcp"
      ]
    }
  }
}

Snippets are generated from the published endpoint; the server name once is only a label you can change. Add the credentials the publisher documents.

Project website

REMOTE ENDPOINThttps://beta.once.app/api/mcpUse this URL in a compatible client. Follow the provider’s authentication instructions.

Questions and answers

What is ONCE?

ONCE is an MCP server in the Media, audio & video category. Music distribution for agents: upload, AI-check, submit and track releases on ONCE.

How do I connect to ONCE?

Hosted remote server over Streamable HTTP at https://beta.once.app/api/mcp. The listing page has ready-made snippets for Claude Code, Cursor and Claude Desktop.

Where is ONCE published?

Its homepage is https://docs.once.app/mcp. RUAGENTIC read these details from Official MCP Registry on October 3, 2026 and did not install or run the project.

Sources and checks

View the source

Source information collected October 3, 2026.

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