once

Execution-safety MCP for AI coding agents protecting consequential writes from unsafe retries.

ONCE is music distribution built for agents. Connect the MCP server, sign in with a ONCE account, and an agent can upload audio and cover art, generate artwork, run AI and rights checks, submit releases to every major store, manage store selection and takedowns, buy credits, and report streaming performance. OAuth sign-in, no API key to paste. 1 credit per human song, 2 per AI-detected song.