Email MCP for Gmail, iCloud and microsoft

by marlinjai

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Organize, flag, read, delete, and clean email with AI.

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Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

  1. Download and install Highlight from highlightai.com/download
  2. Navigate to the plugins tab and select "Add Custom Plugin"
  3. Configure the plugin with the settings below
    Plugin Name Email MCP for Gmail, iCloud and microsoft
    Command (node, npx, python, etc.)

    Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.

  4. Enable "Start Automatically" if you want the plugin to start when Highlight launches

email_list_accounts

List all configured email accounts and their connection status

email_add_account

Add a new IMAP or iCloud email account (Gmail and Outlook require the setup wizard for OAuth)

email_remove_account

Remove an email account

email_test_account

Test an email account connection

email_list_folders

List all email folders for an account

email_search

Search emails with filters. By default returns compact results without full body content to save context. Set returnBody=true to include full email bodies.

email_get

Get a single email by ID

email_get_thread

Get an email thread by thread ID

email_get_attachment

Get an email attachment by ID, returns base64 encoded data

email_send

Send a new email

email_reply

Reply to an existing email

email_forward

Forward an email to new recipients

email_draft_create

Create a new email draft

email_draft_list

List email drafts

email_move

Move an email to a different folder

email_delete

Delete an email (moves to trash by default, or permanently deletes)

email_mark

Mark an email as read/unread, starred, or flagged

email_batch_delete

Delete multiple emails at once. Much faster than individual deletes.

email_batch_move

Move multiple emails to a folder at once. Much faster than individual moves.

email_batch_mark

Mark multiple emails at once (read/unread, starred, flagged). Much faster than individual marks.

email_transfer

Move or copy emails BETWEEN accounts, preserving the original message intact (sender, date, threading) by transferring the raw MIME. Fetches each message from the source account and imports it into the target account. With deleteAfter=true the source copy is sent to trash only after a confirmed import, making this a safe cross-account move.

email_label

Add or remove labels on an email (Gmail only)

email_folder_create

Create a new email folder

email_get_labels

List all labels for an email account (Gmail only)

email_get_categories

List all categories for an email account (Outlook only)

- email_list_accounts: List all configured email accounts and their connection status
- email_add_account: Add a new IMAP or iCloud email account (Gmail and Outlook require the setup wizard for OAuth)
- email_remove_account: Remove an email account
- email_test_account: Test an email account connection
- email_list_folders: List all email folders for an account
- email_search: Search emails with filters. By default returns compact results without full body content to save context. Set returnBody=true to include full email bodies.
- email_get: Get a single email by ID
- email_get_thread: Get an email thread by thread ID
- email_get_attachment: Get an email attachment by ID, returns base64 encoded data
- email_send: Send a new email
- email_reply: Reply to an existing email
- email_forward: Forward an email to new recipients
- email_draft_create: Create a new email draft
- email_draft_list: List email drafts
- email_move: Move an email to a different folder
- email_delete: Delete an email (moves to trash by default, or permanently deletes)
- email_mark: Mark an email as read/unread, starred, or flagged
- email_batch_delete: Delete multiple emails at once. Much faster than individual deletes.
- email_batch_move: Move multiple emails to a folder at once. Much faster than individual moves.
- email_batch_mark: Mark multiple emails at once (read/unread, starred, flagged). Much faster than individual marks.
- email_transfer: Move or copy emails BETWEEN accounts, preserving the original message intact (sender, date, threading) by transferring the raw MIME. Fetches each message from the source account and imports it into the target account. With deleteAfter=true the source copy is sent to trash only after a confirmed import, making this a safe cross-account move.
- email_label: Add or remove labels on an email (Gmail only)
- email_folder_create: Create a new email folder
- email_get_labels: List all labels for an email account (Gmail only)
- email_get_categories: List all categories for an email account (Outlook only)

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "email mcp for gmail, icloud and microsoft": {
            "server": {
                "command": "npx",
                "args": [
                    "-y",
                    "@marlinjai/email-mcp"
                ]
            }
        }
    }
}

McpServers

{
    "server": {
        "command": "npx",
        "args": [
            "-y",
            "@marlinjai/email-mcp"
        ]
    }
}

Transport

"stdio"

Package

"@marlinjai/email-mcp"

Registry

"npm"

Organize, flag, read, delete, and clean email with AI.

A unified MCP server for email access across Gmail, Outlook, iCloud, and generic IMAP providers.

- Multi-provider support-- Gmail (REST API), Outlook (Microsoft Graph), iCloud (IMAP), and generic IMAP/SMTP
- OAuth2 authentication-- Browser-based OAuth flows for Gmail and Outlook, with automatic token refresh
- Full email client-- Search, read, send, reply, forward, organize, and manage drafts
- Batch operations-- Delete, move, or mark hundreds of emails in a single call
- Lightweight search-- Compact search results by default (~20KB vs ~1.4MB) with optional full body retrieval
- Encrypted credential storage-- AES-256-GCM encryption at rest with machine-derived keys
- Provider-native APIs-- Uses Gmail API and Microsoft Graph where available for richer features, falls back to IMAP for universal compatibility

Or run directly with npx (no install needed):
- Run the interactive setup wizard to add your email accounts:

The wizard will walk you through provider selection and authentication. After each account, it asks if you'd like to add another — so you can set up Gmail, Outlook, and iCloud all in one go.
- Add the server to your MCP configuration (.mcp.json):

{ "mcpServers": { "email": { "command": "npx", "args": ["@marlinjai/email-mcp"] } } }

- Start using email tools in Claude Code — search your inbox, send emails, organize messages, and more.

No configuration needed — the setup wizard handles everything using built-in OAuth credentials (PKCE):

npx @marlinjai/email-mcp setup # Select "Gmail" when prompted # A browser window opens for Google authorization # Grant the requested permissions and return to the terminal

Note:If you prefer to use your own OAuth app, create a Desktop OAuth 2.0 Client in theGoogle Cloud Consolewith the Gmail API enabled.

No configuration needed — the setup wizard handles everything using built-in OAuth credentials (PKCE):

Note:If you prefer to use your own OAuth app, register one in theAzure PortalwithMail.ReadWrite,Mail.Send, andoffline_accesspermissions.

npx @marlinjai/email-mcp setup # Select "iCloud" when prompted # Enter your iCloud email address # Enter the app-specific password you generated

Run the setup wizard with your IMAP/SMTP server details:

npx @marlinjai/email-mcp setup # Select "Other IMAP" when prompted # Enter your IMAP host, port, and credentials # Optionally enter SMTP host and port for sending

All batch tools accept asourceFolderparameter for IMAP/iCloud and include a sequential fallback for maximum compatibility.

Add the following to your.mcp.jsonfile (project-level or global~/.claude/.mcp.json):

{ "mcpServers": { "email": { "command": "npx", "args": ["@marlinjai/email-mcp"] } } }

Once configured, you can ask Claude to interact with your email:

- "Check my inbox for unread messages"
- "Search for emails from[email protected] the last week"
- "Reply to the latest email from Bob and thank him"
- "Move all newsletters to the Archive folder"
- "Delete all spam emails" (uses batch operations for speed)
- "Draft a follow-up email to the team about the meeting"

# Install dependencies pnpm install # Build the project pnpm build # Run in development mode (watch for changes) pnpm dev # Run tests pnpm test # Run tests in watch mode pnpm test:watch # Run integration tests (requires real email accounts) pnpm test:integration

If this project is useful to you, consider supporting its development:

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