# Letterly Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Letterly

Dictate voice notes anywhere, then search, rewrite and translate them in your AI chat

- Record: https://musedirectory.ai/connector/letterly
- Category: Productivity
- Developer: Letterly (https://letterly.app/mcp/)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 358ms, checked 2026-10-29T20:01:34Z
- Endpoint: https://mcp.letterly.app/mcp
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-10-29T20:01:34Z)
- Source: Found in the official MCP Registry (app.letterly/mcp) https://registry.modelcontextprotocol.io/v0/servers?search=app.letterly%2Fmcp

Letterly lets you capture voice notes from anywhere and access them through Muse. Find, rewrite, and translate your recordings using AI, keeping your voice memos organized and searchable in one place.

Example request: "Find my voice note about the project deadline and rewrite it as an email to my team"

How to connect: Letterly is not in Muse's Connectors list yet, and it needs you to sign in with your Letterly account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Screening checks:
- MCP handshake: pass (Requires sign-in (publishes OAuth metadata))
- Domain against threat feeds (Cloudflare security DNS): pass (mcp.letterly.app, letterly.app not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)