# Letterly

Connects your Letterly voice notes to an AI chat. Search recordings, update text, translate drafts, or adjust writing tone directly in your editor.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI
- Author: letterlyapp
- License: not stated · policy=link-only · description only; the file stays with the author
- Source: https://github.com/letterlyapp/letterly-mcp
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/mcp/letterly

## What it does

This MCP integration runs as a remote service at `https://mcp.letterly.app/mcp`. You do not need to download packages or run a local daemon. Everything communicates over streamable HTTP.

The server lets your model interact with recorded voice notes. An assistant can browse previous entries, create new drafts, or manage custom rewrite templates.

A Letterly account is mandatory. The very first request will trigger an OAuth login flow in your browser.

## Requirements
- Remote server: `https://mcp.letterly.app/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http mcp https://mcp.letterly.app/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add letterly --url https://mcp.letterly.app/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "letterly": {
            "url": "https://mcp.letterly.app/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "letterly": {
            "type": "http",
            "url": "https://mcp.letterly.app/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http letterly https://mcp.letterly.app/mcp
```

## When to use it
- search voice recordings by topic or date
- turn spoken drafts into concise emails or summaries
- translate recorded notes into other languages
- configure custom rewrite prompts inside Letterly

## Example prompts
- Pull up my voice notes about sprint planning from last Tuesday.
- Rewrite my latest recording into a concise email update.
- Translate the note about the road trip into Spanish.

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