Use it from Claude

Song Prompt Writer also works inside Claude, as a connector. Ask in your own words, for example “write a Suno prompt for these lyrics, darker, with a slow build”, and Claude uses the writer and shows you the Style, Lyrics and Exclude boxes. The patches are the ones the writer here makes: the same text, knobs and seed give the same patch.

Add the connector

The connector's address:

https://song-prompt-writer.maschinenlesbar.org/mcp

claude.ai, Claude Desktop and the Claude apps

  1. In Claude, open Customize → Connectors (on claude.ai: claude.ai/customize/connectors).
  2. Choose Add custom connector, name it, for example Song Prompt Writer, and paste the address. Leave the advanced settings (client ID and secret) empty.
  3. Add it. A connector added on claude.ai also appears in Claude Desktop and the mobile apps.

On a Team or Enterprise plan, an owner of the organisation may have to add it first.

Claude Code

claude mcp add --transport http song-prompt-writer https://song-prompt-writer.maschinenlesbar.org/mcp

Then type /mcp in Claude Code and choose the connector to sign in.

Signing in

The connector needs a Song Prompt Writer account, the one you use on this site. When you add it, Claude asks you to connect, and you sign in; until then it shows as not connected and offers no tools. Accounts are invite-only while the service is in beta.

From Claude Code, a page of this site asks first whether Claude Code may sign in, because the sign-in ends on a port of your computer, where any program could listen. Continue only if you have just started it from Claude Code. That page sets one cookie, which only confirms the sign-in and is deleted when you continue.

To sign out, disconnect or remove the connector in Claude's settings, or in Claude Code under /mcp.

What Claude can do with it

Write a patch
From your lyrics, a poem, a brief or one of the examples, with any knob: genre, arc, vocals, flavour, era, length, tempo and the rest. Needs an account.
Reroll
A new seed for the whole patch or for one layer, or one of the eight variations a result lists. Needs an account.
Clean up lyrics
Drops chords, credits and time tags from pasted lyrics and turns labels like “Chorus:” into tags, as Clean up does in the writer.
Look things up
The families, styles, flavours and eras, the examples, and this guide.

Compared with the writer here