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Murmur

Murmur

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murmurtts.comOther0Updated 1d ago
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About Murmur

Murmur CLI provides command-line and MCP access to the Murmur macOS app for offline text-to-speech and voice cloning. It generates speech locally, so text is not uploaded.

Key features

  1. 01Generate speech from text or files
  2. 02Choose voices and speech models
  3. 03Install available models
  4. 04Batch jobs from a manifest
  5. 05Inspect job status

Use cases

  1. 01Create local voiceovers for project scripts
  2. 02Generate audio from chapter files
  3. 03Run batch speech generation for scenes

MCP support

The package includes an MCP server that lets compatible clients request voice generation on the Mac running Murmur.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config
{
  "mcpServers": {
    "tarunyadav1-murmur-cli": {
      "command": "npx",
      "args": [
        "-y",
        "murmur-cli"
      ]
    }
  }
}
Run commandnpx -y murmur-cli

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages
npmmurmur-cli1.0.2

Tools

No tool list yet

Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.

Details

From the project README

murmur-cli

Command line and MCP access to Murmur, an offline text-to-speech and voice cloning app for Mac. Speech is generated on your own computer; your text is never uploaded.

This package is a small launcher. It finds the signed CLI that ships inside Murmur.app and runs it, so you can call murmur from any project, npm script or AI agent.

Requirements

Install

npm install -g murmur-cli
murmur status

Or run it without installing:

npx murmur-cli status

Generate speech

murmur generate --text "Welcome back. Today we're building a local voice workflow." \
  --voice af_bella --speed 0.95 --output audio/intro.wav

murmur generate --input scripts/chapter-01.txt --model kokoro --output audio/chapter-01.m4a

Other commands:

murmur models [--json]
murmur models install MODEL_ID
murmur voices [--model ID] [--json]
murmur batch --manifest scenes.json
murmur jobs get JOB_ID

Run murmur --help for every option.

Use with AI agents (MCP)

Murmur includes an MCP server, so Claude Code, Codex, Cursor and other MCP clients can generate voiceovers on your Mac.

claude mcp add --transport stdio --scope user murmur -- npx -y murmur-cli mcp serve

{
  "mcpServers": {
    "murmur": { "command": "npx", "args": ["-y", "murmur-cli", "mcp", "serve"] }
  }
}

Custom app location

If Murmur.app is not in /Applications or ~/Applications, point to the helper:

export MURMUR_HELPER="/path/to/Murmur.app/Contents/Helpers/murmur"

Docs

Full CLI and MCP guide: https://www.murmurtts.com/docs/automation

The launcher in this package is MIT licensed. The Murmur app has its own license, with a free plan and a one-time Pro upgrade.

Comments

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