Nova Inbox Agent by Nova (CIVAI)
What this MCP does
Reads, searches, organizes, and sends email through a user's Nova Inbox, including access to message attachments.
Tools
Input schema
{'type': 'object', 'required': ['to'], 'properties': {'to': {'type': 'string', 'description': 'Recipient email address.'}, 'html': {'type': 'string', 'description': 'Optional HTML body (sanitized subset). Used when present.'}, 'text': {'type': 'string', 'description': 'Plain-text body. Required if html is omitted.'}, 'subject': {'type': 'string', 'description': 'Email subject. Required for new mail; optional when reply_to_id is set.'}, 'attachments': {'type': 'array', 'items': {'type': 'object', 'required': ['filename', 'content_base64'], 'properties': {'filename': {'type': 'string'}, 'content_type': {'type': 'string'}, 'content_base64': {'type': 'string'}}}, 'maxItems': 5, 'description': 'Inline attachments for MCP hosts without Drive (max 5, 2 MB each).'}, 'reply_to_id': {'type': 'string', 'description': 'Nova Inbox storage id of the message being replied to (threads the send).'}, 'attachment_drive_ids': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 5, 'description': 'Workspace Drive file ids to attach (max 5, 2 MB each).'}}}
Input schema
{'type': 'object', 'properties': {'reply_hint': {'type': 'string', 'description': 'Optional hint for the conversational reply.'}}}
Input schema
{'type': 'object', 'required': ['message_id'], 'properties': {'index': {'type': 'integer', 'minimum': 0, 'description': '0-based attachment index on the message.'}, 'drive_id': {'type': 'string', 'description': 'Drive id from message attachments metadata.'}, 'message_id': {'type': 'string', 'description': 'Message id that owns the attachment.'}}}
Input schema
{'type': 'object', 'properties': {}}
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'maximum': 50, 'minimum': 1, 'description': 'Max messages to return (1–50). Default 10.'}, 'query': {'type': 'string', 'description': 'Optional filter on subject or from address (case-insensitive substring).'}, 'unread_only': {'type': 'boolean', 'description': 'If true, only unread inbound messages.'}}}
Input schema
{'type': 'object', 'properties': {'message_id': {'type': 'string', 'description': 'Any message id in the thread (from list_messages or read_message).'}, 'thread_key': {'type': 'string', 'description': 'Thread key from list_messages/read_message (alternative to message_id).'}}}
Input schema
{'type': 'object', 'properties': {'index': {'type': 'integer', 'minimum': 0, 'description': '0-based index from the latest list_messages result.'}, 'message_id': {'type': 'string', 'description': 'Nova Inbox message id from list_messages.'}}}
Recent tool changes
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