A Mac-only local TTS MCP lets agents generate voiceovers without any cloud API
tarunyadav9761 · reddit · 2026-07-21
A developer built a local TTS MCP server for Mac so agents can generate voiceovers without calling a cloud API.
- The app, Murmur, exposes 10 MCP tools for checking readiness, selecting voices, generating single or batch audio files, tracking jobs, and deleting models with confirmation.
- It supports workflows like:
- generating promo video voiceovers,
- turning PDFs or books into chapter audio,
- creating narrated daily briefings,
- producing course/tutorial narration.
- The design keeps generation inside the desktop app, with opt-in automation, workspace-only file access, and no cloud dependency.
- Current limits: Mac-only, Apple Silicon only, and Murmur must be running locally.
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