List configured accounts/servers and their mail/calDav/cardDav sections (hosts, users, auth types). Never returns secrets.

List IMAP mailboxes/folders for an account.

List the most recent emails in a folder (newest first).

Read a single email (headers + body) by UID.

Search emails by from/to/subject/body/text, date range, and flags. Searches ALL folders unless a folder is given. Note: on the ox-api transport, body/text match only the subject and addresses of recent messages (not full message bodies); use the imap transport for true full-text search.

List server-side mail filters managed by ox-mcp (sieve).

Send an email via SMTP.

Compose a message and save it to the Drafts folder (does not send).

Reply to the sender of an email, threading preserved.

Reply to all recipients of an email (sender + To/Cc, excluding yourself), threading preserved.

Delete an email by UID (moves to Trash or expunges per server policy).

Move an email by UID to another folder.

Flag or unflag (star/unstar) an email.

Mark an email as read (sets the \Seen flag).

Mark an email as unread (clears the \Seen flag).

Move an email to the account's spam/junk folder (special-use aware).

Move an email to the account's archive folder (special-use aware).

Create a new IMAP folder. Use the delimiter of the account (usually "/") for nesting, e.g. "Projects/Acme".

Delete an IMAP folder. The folder and its messages are removed — this cannot be undone.

Create a server-side mail filter (sieve). Note: ox-mcp manages its own sieve script and activates it.

Replace an existing ox-mcp mail filter by id (see email_filter_list).

List CalDAV calendars (own and any shared with the account).

List events in a calendar within a time range.

Query attendees' availability (busy/free windows only) via the CalDAV scheduling outbox. No calendar sharing required.

Create a calendar event (VEVENT) in a calendar.

Replace an existing calendar event by its object URL.

Delete a calendar event by its object URL.

Accept a calendar event invitation as this account (sets your PARTSTAT to ACCEPTED; the server notifies the organizer).

Decline a calendar event invitation as this account (sets your PARTSTAT to DECLINED; the server notifies the organizer).

Tentatively accept a calendar event invitation as this account (sets your PARTSTAT to TENTATIVE; the server notifies the organizer).

List all CardDAV contacts. Reads all address books unless one is given. To search, use contact_find instead.

Search CardDAV contacts by a case-insensitive substring (server-side where supported). Useful for resolving a name to an email address, e.g. before calendar_free_busy.

Create a CardDAV contact (vCard) in an address book.