Musicboxmelodies

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "musicboxmelodies": {
      "type": "http",
      "url": "https://api.musicboxmelodies.com/mcp"
    }
  }
}

17 tools

• list_music_boxes

  Lists the music box types a melody can be written for, with their exact playable notes and rules. Call this before composing or validating a melody.

• search_songs

  Searches the public catalog of music box tunes made by the Musicboxmelodies community. Search by song name, artist or arranger; optionally only tunes that have a version for one box type. Returns at most 20 per page.

• get_song

  Gets a music box tune with its notes in the melody format (the same one validate_melody accepts), for one box version. Works for public tunes, for the signed-in person's own songs, and for a song this agent saved anonymously (pass its claim_token). Use search_songs or…

• validate_melody

  Checks whether a melody can be played on a music box: notes outside the box, same note repeated too fast, off-grid notes, tempo and length. Every issue names the note and how to fix it. Saves nothing. Call it before offering a melody to the person.

• fit_melody_to_box

  Adjusts a melody so it can be played on a music box and lists every change. Strategies: "transpose" (shift the whole melody to the key that fits best), "nearest_note" (move each unplayable note to the closest playable one), "transpose_then_nearest" (default: both). Optionally…

• list_products

  Lists what Musicboxmelodies sells, with current prices in US dollars and delivery times: custom music box melodies, custom printable strip designs and PRO composer accounts. Orders are placed and paid by the person on the website.

• create_song

  Saves a melody as a new private song. The melody must have no errors (run validate_melody or fit_melody_to_box first); warnings such as notes repeated too quickly are saved and marked, as in the composer. If the person is signed in, the song goes to their account and you get a…

• add_version

  Saves a melody as the version of an existing song for one box (a song can have one version per box: 15, 20, 30 notes or freestyle). Replaces that box's version if it exists. Works on the signed-in person's songs, or on a song saved without an account if you pass its claim_token…

• list_my_songs

  Lists the signed-in person's songs on Musicboxmelodies, newest first, including private ones. Requires signing in.

• set_song_visibility

  Makes one of the signed-in person's songs public (anyone can find and play it on musicboxmelodies.com) or private. Only make a song public when the person asked for it: ask them to confirm, then call again with confirmed: true.

• delete_song

  Permanently deletes one of the signed-in person's songs (all its box versions), or a song you saved without an account (pass its claim_token). This cannot be undone: tell the person which song will be deleted, ask them to confirm, then call again with confirmed: true.

• export_song

  Creates a download link for one box version of a song: an MP3, a MIDI file or a printable strip PDF to cut and punch for a hand-crank music box ("pdf_long" is one continuous strip, "pdf_a4"/"pdf_letter" are sliced to fit the page). Works on the person's songs and on public…

• render_audio

  Creates an MP3 of a melody (before or without saving it) or of a saved song, so you and the person can hear it. Pass either song_id or a melody (box, bpm, notes). Sounds: "synth" (free, the site's default sound) or "music_box" (real music box recordings for the box; PRO accounts…

• import_midi

  Converts a MIDI file (base64, up to 512 KB) into the melody format and validates it for a box, so you can fit, edit and save it. Drums are ignored. Saves nothing.

• get_product_options

  Lists the variations (with prices in US dollars) and the details needed to order a custom music box melody or a custom strip design. Call it before prepare_order.

• prepare_order

  Prepares a custom melody or strip design order with all its details and returns a link to the Musicboxmelodies cart, where the person reviews it, adds photos if needed, applies discount codes and pays with PayPal. Nothing is charged here. The link works for 7 days. Confirm the…

• get_order_status

  Shows the signed-in person's orders (newest first) or one order: its status, items, price and, once delivered, the links to the finished files. Requires signing in.

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