Mail MCP Server

MCP Server for the Infomaniak Mail API.

Tools

1. mail_list_mailboxes

   • List all mailboxes in your Infomaniak account
   • Returns: List of mailboxes with uuid, email, and mailbox name

2. mail_list_folders

   • List all folders in a mailbox
   • Required inputs:
     • mailbox_uuid (string, optional): Mailbox UUID (uses primary if omitted)
   • Returns: List of folders with id, name, path, role, unread/total counts

3. mail_create_folder

   • Create a new folder in the mailbox
   • Required inputs:
     • name (string): Name of the folder to create
   • Optional inputs:
     • parent_folder_id (string): Parent folder ID (omit for root-level folder)
     • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
   • Returns: Created folder with id, name, and parent_folder_id

4. mail_delete_folder

   • Delete a folder from the mailbox
   • Required inputs:
     • folder_id (string): Folder ID to delete
   • Optional inputs:
     • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
   • Returns: Deletion confirmation

5. mail_rename_folder

   • Rename a folder in the mailbox
   • Required inputs:
     • folder_id (string): Folder ID to rename
     • name (string): New folder name
   • Optional inputs:
     • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
   • Returns: Renamed folder with id and name

6. mail_list_emails

   • List emails in a folder
   • Required inputs:
     • folder_id (string): Folder ID
   • Optional inputs:
     • mailbox_uuid (string): Mailbox UUID
     • limit (number): Maximum emails to return (default: 50)
     • offset (number): Pagination offset (default: 0)
     • unseen (boolean): Only return unread emails in this folder (cannot be combined with flagged)
     • flagged (boolean): Only return starred/flagged emails in this folder (cannot be combined with unseen)
   • Returns: List of email threads with subject, from, date, seen status, flagged status, preview

7. mail_read_email

   • Required inputs:
     • folder_id (string): Folder ID containing the email
     • message_id (string): Message ID or UID
   • Optional inputs:
     • mailbox_uuid (string): Mailbox UUID
   • Returns: Full email with uid, msg_id, subject, from, to, cc, bcc, date, body, html, preview, seen status, flagged status, folder, folder_id, headers, and attachment metadata

8. mail_download_attachment

   • Download an email attachment. Common web image formats (png/jpeg/gif/webp) are returned as image content, everything else as an embedded resource
   • Required inputs:
     • folder_id (string): Folder ID containing the email
     • message_id (string): Message ID or UID
     • attachment_id (string): Attachment ID from mail_read_email response
   • Optional inputs:
     • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
   • Returns: a small metadata text block plus the binary as a typed content block
     • png/jpeg/gif/webp → an image block (data base64 + mimeType)
     • other files → an embedded resource block (uri, mimeType, base64 blob), e.g. for a PDF:

     {
       "type": "resource",
       "resource": {
         "uri": "infomaniak-mail://<mailbox-uuid>/<folder-id>/<message-id>/<attachment-id>",
         "mimeType": "application/pdf",
         "blob": "JVBERi0xLjQKJdPr6eEKMSAwIG9iago8PAovVHlw..."
       }
     }

     metadata text block: {"filename": "report.pdf", "mime_type": "application/pdf", "size": 124500}

9. mail_send_email

   • Send an email
   • Required inputs:
     • to (string): Recipient email address(es), comma-separated
     • subject (string): Email subject
     • body (string): Email body (plain text)
   • Optional inputs:
     • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
     • cc (string): CC recipient(s), comma-separated
     • bcc (string): BCC recipient(s), comma-separated
     • attachments (string[]): Local file paths to attach
     • in_reply_to (string): Message-ID of the email being replied to (for threading)
     • in_reply_to_uid (string): UID of the email being replied to (format: UID@resource)
     • references (string): References header for threading (Message-IDs, space-separated)
     • from_email (string): Sending address — the mailbox address or one of its aliases (defaults to the mailbox address). Requires a sending identity (kMail signature) for that address; otherwise the API sends from the default identity address instead (a warning is returned)
     • from_name (string): Preferred sender display name. The displayed name always comes from the sending identity (matched by name) or, by default, the account profile name
   • Returns: Send confirmation with timestamp

10. mail_create_draft

    • Create a new email draft
    • Required inputs:
      • to (string): Recipient email address(es), comma-separated
      • subject (string): Draft subject
      • body (string): Draft body (plain text)
    • Optional inputs:
      • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
      • cc (string): CC recipient(s), comma-separated
      • bcc (string): BCC recipient(s), comma-separated
      • in_reply_to (string): Message-ID of the email being replied to (for threading)
      • in_reply_to_uid (string): UID of the email being replied to (format: UID@resource)
      • references (string): References header for threading (Message-IDs, space-separated)
      • from_email (string): Sending address — the mailbox address or one of its aliases (defaults to the mailbox address). Requires a sending identity (kMail signature) for that address; otherwise the API sends from the default identity address instead (a warning is returned)
      • from_name (string): Preferred sender display name. The displayed name always comes from the sending identity (matched by name) or, by default, the account profile name
    • Returns: Draft UUID and UID for later update/send, plus resolved_from (effective sender) and warnings when applicable

11. mail_update_draft

• Update an existing email draft (only provide fields to change)
• Required inputs:
  • draft_uuid (string): Draft UUID to update
• Optional inputs:
  • to (string), subject (string), body (string)
  • cc (string), bcc (string)
  • attachments (string[]): Local file paths to attach
• Returns: Updated draft info

12. mail_send_draft

• Send an existing email draft
• Required inputs:
  • draft_uuid (string): Draft UUID to send
• Optional inputs:
  • delay (number): Delay in seconds before sending (default: 0)
• Returns: Send confirmation with scheduled time

13. mail_delete_draft

• Delete an email draft
• Required inputs:
  • draft_uuid (string): Draft UUID to delete
• Returns: Deletion confirmation

14. mail_list_drafts

• List all drafts in the mailbox
• Returns: Draft threads with subject, date, and message UID

15. mail_search_emails

• Search emails by keyword, sender, recipient, subject, or date range
• Optional inputs:
  • query (string): Full-text search in message body and metadata
  • from (string): Filter by sender email or name
  • to (string): Filter by recipient email or name
  • subject (string): Filter by subject
  • since (string): Start date (YYYY-MM-DD)
  • before (string): End date (YYYY-MM-DD)
  • folder_id (string): Limit search to a specific folder (searches all folders if omitted)
  • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
  • limit (number): Maximum results to return (default: 50)
  • offset (number): Pagination offset (default: 0)
• Returns: List of matching emails with subject, from, to, date, seen status, flagged status, preview, folder, and folder_id
• Note: At least one of query, from, to, subject, since, or before must be provided.

16. mail_mark_email

• Mark one or more emails as read or unread
• Required inputs:
  • folder_id (string): Folder ID containing the messages
  • message_ids (string[]): Message sequence UIDs (from mail_list_emails or mail_search_emails)
  • read (boolean): true to mark as read, false to mark as unread
• Optional inputs:
  • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
• Returns: Confirmation with count of marked messages

17. mail_flag_email

• Flag (star) or unflag (unstar) one or more emails
• Required inputs:
  • folder_id (string): Folder ID containing the messages
  • message_ids (string[]): Message sequence UIDs
  • flagged (boolean): true to star/flag, false to unstar/unflag
• Optional inputs:
  • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
• Returns: Confirmation with count of flagged/unflagged messages

18. mail_move_email

• Move one or more emails to a different folder
• Required inputs:
  • message_ids (string[]): Message sequence UIDs
  • from_folder_id (string): Source folder ID
  • to_folder_id (string): Destination folder ID
• Optional inputs:
  • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
• Returns: Confirmation with count of moved messages

19. mail_archive_email

• Archive one or more emails (move to the Archives folder)
• Required inputs:
  • folder_id (string): Folder ID currently containing the messages
  • message_ids (string[]): Message sequence UIDs
• Optional inputs:
  • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
• Returns: Confirmation with count of archived messages

20. mail_delete_email

• Delete one or more emails (move to Trash by default, or permanently delete)
• Required inputs:
  • folder_id (string): Folder ID currently containing the messages
  • message_ids (string[]): Message sequence UIDs
• Optional inputs:
  • permanent (boolean): If true, permanently delete. If false (default), move to Trash.
  • mailbox_uuid (string): Mailbox UUID (uses primary if omitted)
• Returns: Confirmation with count of deleted messages and whether deletion was permanent

Setup

1. Create a token linked to your user:
   • Visit the API Token page
   • Choose "workspace:mail" scopes

Usage with Claude Desktop

Add the following to your claude_desktop_config.json:

NPX

{
  "mcpServers": {
    "mail": {
      "command": "npx",
      "args": [
        "-y",
        "@infomaniak/mcp-server-mail"
      ],
      "env": {
        "MAIL_TOKEN": "your-token"
      }
    }
  }
}

Docker

{
  "mcpServers": {
    "mail": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "MAIL_TOKEN",
        "infomaniak/mcp-server-mail"
      ],
      "env": {
        "MAIL_TOKEN": "your-token"
      }
    }
  }
}

Environment Variables

1. MAIL_TOKEN: Required. Your Infomaniak API token.

Troubleshooting

If you encounter permission errors, verify that:

1. All required scopes are added to your token
2. The token is correctly copied to your configuration

Build

Docker build:

docker build -t infomaniak/mcp-server-mail -f Dockerfile .

License

This MCP server is licensed under the MIT License.