Nova Inbox Agent by Nova (CIVAI)

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co.civai.nova/nova-inbox-agentv1.1.0 Domain verified

Read and send mail from your Nova Inbox (@nova.civai.co) for OTPs, directory signups, and inbound m…

Communication

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Call this server's tools from your browser. Nothing to install.

https://nova.civai.co/mcp/agents/nova-inbox-agent

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

compose_message

Send outbound email from the user's @nova.civai.co address (deterministic; no LLM draft).

tostring, required

Recipient email address.

htmlstring

Optional HTML body (sanitized subset). Used when present.

textstring

Plain-text body. Required if html is omitted.

subjectstring

Email subject. Required for new mail; optional when reply_to_id is set.

attachmentsarray

Inline attachments for MCP hosts without Drive (max 5, 2 MB each).

reply_to_idstring

Nova Inbox storage id of the message being replied to (threads the send).

attachment_drive_idsarray

Workspace Drive file ids to attach (max 5, 2 MB each).

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

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Tools (7)

compose_message

Send outbound email from the user's @nova.civai.co address (deterministic; no LLM draft).

Argument	Type	Description
to*	string	Recipient email address.
html	string	Optional HTML body (sanitized subset). Used when present.
text	string	Plain-text body. Required if html is omitted.
subject	string	Email subject. Required for new mail; optional when reply_to_id is set.
attachments	array	Inline attachments for MCP hosts without Drive (max 5, 2 MB each).
reply_to_id	string	Nova Inbox storage id of the message being replied to (threads the send).
attachment_drive_ids	array	Workspace Drive file ids to attach (max 5, 2 MB each).

Input schema (JSON)

{
  "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)."
    }
  }
}

converse

Reply conversationally when the request is ambiguous or needs clarification.

Argument	Type	Description
reply_hint	string	Optional hint for the conversational reply.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "reply_hint": {
      "type": "string",
      "description": "Optional hint for the conversational reply."
    }
  }
}

get_attachment

Download one email attachment as base64 (by drive_id or index on the message).

Argument	Type	Description
index	integer	0-based attachment index on the message.
drive_id	string	Drive id from message attachments metadata.
message_id*	string	Message id that owns the attachment.

Input schema (JSON)

{
  "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."
    }
  }
}

get_inbox_address

Return the user's Nova Inbox email address (e.g. [email protected]).

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

list_messages

List messages in the signed-in user's Nova Inbox (@nova.civai.co).

Argument	Type	Description
limit	integer	Max messages to return (1–50). Default 10.
query	string	Optional filter on subject or from address (case-insensitive substring).
unread_only	boolean	If true, only unread inbound messages.

Input schema (JSON)

{
  "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."
    }
  }
}

list_thread

List all messages in an email thread (inbound + outbound), oldest first.

Argument	Type	Description
message_id	string	Any message id in the thread (from list_messages or read_message).
thread_key	string	Thread key from list_messages/read_message (alternative to message_id).

Input schema (JSON)

{
  "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)."
    }
  }
}

read_message

Read full body of one Nova Inbox message by id or list index (includes attachment metadata).

Argument	Type	Description
index	integer	0-based index from the latest list_messages result.
message_id	string	Nova Inbox message id from list_messages.

Input schema (JSON)

{
  "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."
    }
  }
}