Assistant Mail MCP server

Read from the package source without running it. The installed server may list more.

• assistantmail_add_recipient

  Adds a recipient and sends a consent invitation when required.

• assistantmail_create_mailboxwrite action

  Creates a mailbox for the authenticated account.

• assistantmail_delete_mailboxwrite action

  Deletes a mailbox and all associated messages.

• assistantmail_delete_messageswrite action

  Deletes messages from a mailbox by IDs or deletes all messages.

• assistantmail_get_inbound_policy

  Gets inbound email policy settings for the authenticated account.

• assistantmail_get_mailbox

  Gets mailbox metadata for a mailbox ID.

• assistantmail_get_me

  Gets account profile and tier metadata for the authenticated account.

• assistantmail_get_message

  Gets a specific message for a mailbox, including hydrated text/html bodies when available.

• assistantmail_get_message_reference

  Provides the AssistantMail REST endpoint for fetching a single message including its full body content.

• assistantmail_get_usage

  Gets daily and monthly send quota usage for a mailbox.

• assistantmail_get_usage_reference

  Provides the AssistantMail REST endpoint for checking send quota usage for a mailbox.

• assistantmail_health

  Returns AssistantMail MCP server and API endpoint metadata.

• assistantmail_list_mailboxes

  Lists mailboxes accessible to the authenticated account.

• assistantmail_list_messages

  Lists inbound and outbound messages for a mailbox.

• assistantmail_list_messages_reference

  Provides the AssistantMail REST endpoint for listing messages (inbound and outbound) in a mailbox.

• assistantmail_list_recipients

  Lists approved/pending recipients for the authenticated account.

• assistantmail_remove_recipientwrite action

  Removes a recipient from the allowed recipient list.

• assistantmail_reply_message

  Replies to an existing message in a mailbox thread.

• assistantmail_send_emailwrite action

  Queues an outbound email for a mailbox.

• assistantmail_send_email_referencewrite action

  Provides the AssistantMail REST endpoint and required headers for email send requests.

• assistantmail_update_inbound_policywrite action

  Updates inbound email policy for the authenticated account.

• assistantmail_update_mailboxwrite action

  Updates mailbox metadata (currently display name).

• Code scan2 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitystatic API keys via environment variables6/15
• Maintenancelast push 10 days ago15/15
• Maintainer identityregistry namespace matches repository owner7/10

Assistant Mail MCP: common questions

Is Assistant Mail MCP server safe?

Mostly: it is graded B (82/100). Read the Assistant Mail MCP safety report

How do I install Assistant Mail MCP?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Assistant Mail MCP need an API key?

Yes. The registry entry asks for ASSISTANT_MAIL_API_KEY.

Is Assistant Mail MCP maintained?

The last commit was 10 days ago (2026-09-10). The latest release is v1.3.1.

What can I use instead of Assistant Mail MCP?

Servers from other publishers that do the same job: Agent-Native Mail MCP server, Atomic Mail MCP server and Agent Email MCP server. Compare all Assistant Mail MCP alternatives.