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Say MCP Server

by bmorphism
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JavaScript
MIT License
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local-only server

The server can only run on the client’s local machine because it depends on local resources.

Integrations

  • Integrates with Apple Notes to read notes content aloud using text-to-speech functionality, allowing users to have their Apple Notes read to them with customizable voice properties.

  • Provides text-to-speech capabilities using macOS's built-in 'say' command, allowing customization of voice, speech rate, volume, pitch, and emphasis. Supports background speech processing and can be integrated with other MCP servers to read content aloud.

  • Can be used to read YouTube video transcripts aloud with customizable voice settings by integrating with a YouTube transcript MCP server to convert video transcripts to speech.

say-mcp-server

An MCP server that provides text-to-speech functionality using macOS's built-in say command.

Requirements

  • macOS (uses the built-in say command)
  • Node.js >= 14.0.0

Configuration

Add the following to your MCP settings configuration file:

{ "mcpServers": { "say": { "command": "node", "args": ["/path/to/say-mcp-server/build/index.js"] } } }

Installation

npm install say-mcp-server

Tools

speak

The speak tool provides access to macOS's text-to-speech capabilities with extensive customization options.

Basic Usage

Use macOS text-to-speech to speak text aloud.

Parameters:

  • text (required): Text to speak. Supports:
    • Plain text
    • Basic punctuation for pauses
    • Newlines for natural breaks
    • [[slnc 500]] for 500ms silence
    • [[rate 200]] for changing speed mid-text
    • [[volm 0.5]] for changing volume mid-text
    • [[emph +]] and [[emph -]] for emphasis
    • [[pbas +10]] for pitch adjustment
  • voice (optional): Voice to use (default: "Alex")
  • rate (optional): Speaking rate in words per minute (default: 175, range: 1-500)
  • background (optional): Run speech in background to allow further MCP interaction (default: false)

Advanced Features

  1. Voice Modulation:
use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: "[[volm 0.7]] This is quieter [[volm 1.0]] and this is normal [[volm 1.5]] and this is louder", voice: "Victoria" } });
  1. Dynamic Rate Changes:
use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: "Normal speed [[rate 300]] now speaking faster [[rate 100]] and now slower", voice: "Fred" } });
  1. Emphasis and Pitch:
use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: "[[emph +]] Important point! [[emph -]] [[pbas +10]] Higher pitch [[pbas -10]] Lower pitch", voice: "Samantha" } });

Integration Examples

  1. With Marginalia Search:
// Search for a topic and have the results read aloud const searchResult = await use_mcp_tool({ server_name: "marginalia-mcp-server", tool_name: "search", arguments: { query: "quantum computing basics", count: 1 } }); await use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: searchResult.results[0].description, voice: "Daniel", rate: 150 } });
  1. With YouTube Transcripts:
// Read a YouTube video transcript const transcript = await use_mcp_tool({ server_name: "youtube-transcript", tool_name: "get_transcript", arguments: { url: "https://youtube.com/watch?v=example", lang: "en" } }); await use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: transcript.text, voice: "Samantha", rate: 175 } });
  1. Background Speech with Multiple Actions:
// Start long speech in background await use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: "This is a long speech that will run in the background...", voice: "Rocko (Italian (Italy))", rate: 69, background: true } }); // Immediately perform another action while speech continues await use_mcp_tool({ server_name: "marginalia-mcp-server", tool_name: "search", arguments: { query: "parallel processing" } });
  1. With Apple Notes:
// Read notes aloud const notes = await use_mcp_tool({ server_name: "apple-notes-mcp", tool_name: "search-notes", arguments: { query: "meeting notes" } }); if (notes.length > 0) { await use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: notes[0].content, voice: "Karen", rate: 160 } }); }

Example:

use_mcp_tool({ server_name: "say", tool_name: "speak", arguments: { text: "Hello, world!", voice: "Victoria", rate: 200 } });

list_voices

List all available text-to-speech voices on the system.

Example:

use_mcp_tool({ server_name: "say", tool_name: "list_voices", arguments: {} });

Configuration

Add the following to your MCP settings configuration file:

{ "mcpServers": { "say": { "command": "node", "args": ["/path/to/say-mcp-server/build/index.js"] } } }

Requirements

  • macOS (uses the built-in say command)
  • Node.js >= 14.0.0

Contributors

License

MIT

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Enables text-to-speech functionality on macOS using the say command, offering extensive control over speech parameters like voice, rate, volume, and pitch for a customizable auditory experience.

  1. Requirements
    1. Configuration
      1. Installation
        1. Tools
          1. speak
          2. list_voices
        2. Recommended Voices
          1. Configuration
            1. Requirements
              1. Contributors
                1. License

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