macOS Say

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

- macOS (uses the built-insaycommand)
- Node.js >= 14.0.0

Add the following to your MCP settings configuration file:

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

Thespeaktool provides access to macOS's text-to-speech capabilities with extensive customization options.

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

- 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

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" } });

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" } });

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" } });

// 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 } });

// 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 } });

- 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" } });

// 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 } }); }

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

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

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

Add the following to your MCP settings configuration file:

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

- macOS (uses the built-insaycommand)
- Node.js >= 14.0.0

- Barton Rhodes (@bmorphism) -barton@vibes.lol

A Model Context Protocol server that exposes the canonical WordCast knowledge surface — voice and TTS workflows, blog topics, FAQ, official links — to MCP-compatible AI clients such as Claude Desktop, Cursor, Windsurf, and Continue. Read-only, no API keys, no quota, ~50 ms cold start.