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sfx-gen

v0.3.0

Generates sound effects from text prompts with a local Stable Audio model and plays them on events like errors, permission asks or finished replies.

by @nkapila62Updated Broad accessGitHub

Installation

  1. Install from your shell (answer y to add the marketplace)

    $ claude plugin install sfx-gen --marketplace nkapila6/sfx-gen

Already in a session? Type this at the Claude Code prompt:

$ /plugin install sfx-gen --marketplace nkapila6/sfx-gen

Pick a scope and the mod is active right away. Needs Claude Code 2.1.287 or later, in a terminal. Full install guide

What does sfx-gen do?

  • /sfx <prompt> generates a clip locally, with --duration and --seed options; Claude can also call the sfx tool
  • /sfx-pane lists this session's clips with play and mp3 buttons; /sfx-pane history shows older clips
  • /sfx-notify assigns clips to error, permission, done, abort and compact events, with test, off and mute
  • Config options for model (small-sfx, small-music, medium), device, encoding and default duration

What do you need?

  • Claude Code 2.1.287 or later (terminal)
  • Installer script that downloads a prebuilt sa3.cpp and about 1 GB of model weights
  • ffmpeg for the mp3 button

What can this mod access?

Read from the mod's code with claude plugin validate on Claude Code 2.1.296, synced Oct 12, 2026. This is a capability list, not a security audit. Mods run with your permissions, so install only from authors you trust.

Broad access
  • Runs programs on your machine
  • Intercepts or rewrites tool calls
  • Reads files
  • Reads environment variables or settings
Hooks and engine calls (11 + 16)

hooks

  • command.run{command=sfx-notify}
  • command.run{command=sfx-pane}
  • command.run{command=sfx}
  • session.compact
  • session.start
  • tool.call
  • tool.call{tool=mcp__sfx-gen__sfx}
  • tool.check
  • turn.complete
  • ui.render{component=AbovePrompt}
  • ui.render{component=Pane, requestId=sfx}

calls

  • $.audio.play
  • $.command.register
  • $.env.get
  • $.fs.exists
  • $.fs.read
  • $.process.run
  • $.session.cwd
  • $.state.get
  • $.state.set
  • $.store.get
  • $.store.set
  • $.tool.register
  • $.ui.open
  • $.ui.resolve
  • $.ui.status
  • $.ui.toast

How do you uninstall sfx-gen?

$ claude plugin uninstall sfx-gen

To switch it off without removing it, use claude plugin disable with the same name.

Do you maintain sfx-gen?

Add this badge to your README so users can jump to this page for the install command and access report.

Listed on ccmods.app
[![Listed on ccmods.app](https://ccmods.app/badge.svg)](https://ccmods.app/mods/sfx-gen)

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