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Superhuman Mail

Triage your Superhuman inbox, draft replies, and schedule meetings.

Tools

33 available tools

Search the tool definitions captured from the MCP server. The live list can vary with version, deployment, and credentials.

33 tools found.

  • Add account

    Tool name: add_account

    Start linking an additional Superhuman Mail account to this session so it can be acted on alongside the current account.

  • Create or update draft

    Tool name: create_or_update_draft

    Compose an email on behalf of the user.

  • Create or update event

    Tool name: create_or_update_event

    Create a new calendar event or edit an existing one.

  • Create or update reminder

    Tool name: create_or_update_reminder

    Create or reschedule a reminder on a Superhuman Mail thread.

  • Create or update snippet

    Tool name: create_or_update_snippet

    Save a reusable Superhuman Mail snippet (an email template).

  • Discard draft

    Tool name: discard_draft

    Discard a user-owned Superhuman Mail draft by draft_id so it disappears from the user's Drafts list.

  • Discard reminder

    Tool name: discard_reminder

    Discard (cancel) a reminder on a Superhuman Mail thread so it no longer brings the thread back to the top of the inbox.

  • Discard snippet

    Tool name: discard_snippet

    Remove a saved Superhuman Mail snippet, identified by the id from list_snippets.

  • Get attachment

    Tool name: get_attachment

    Retrieve email attachments.

  • Get availability

    Tool name: get_availability

    Find available meeting times for a group of participants.

  • Get draft

    Tool name: get_draft

    Fetch a single Superhuman Mail draft by draft_id, including its full body and quoted content.

  • Get draft send status

    Tool name: get_draft_send_status

    Read-only check of a Superhuman Mail draft's send state.

  • Get message

    Tool name: get_message

    Fetch a single email message by its message ID.

  • Get read status feed

    Tool name: get_read_status_feed

    Get a feed of read receipts for emails you've sent — who opened them, when, and on what device.

  • Get snippet

    Tool name: get_snippet

    Fetch a saved Superhuman Mail snippet's full content — its HTML body, optional subject, and any default to/cc/bcc recipients — so it can be used in a draft.

  • Get thread

    Tool name: get_thread

    Fetch a specific email thread by its thread ID.

  • List accounts

    Tool name: list_accounts

    List the Superhuman Mail accounts linked to this session.

  • List drafts

    Tool name: list_drafts

    List the user's active Superhuman Mail email drafts — both drafts composed natively in Superhuman and drafts created via create_or_update_draft.

  • List labels

    Tool name: list_labels

    List all labels available on the user's email account.

  • List reminders

    Tool name: list_reminders

    List the user's Superhuman Mail reminders.

  • List snippets

    Tool name: list_snippets

    List the user's saved Superhuman Mail snippets — reusable email templates.

  • List splits

    Tool name: list_splits

    List the user's inbox splits.

  • List threads

    Tool name: list_threads

    Search email threads with structured filters.

  • Mark spam

    Tool name: mark_spam

    Mark an email thread as spam by thread ID.

  • Query email and calendar

    Tool name: query_email_and_calendar

    Answer natural-language questions about the user's emails, calendar, contacts, and knowledge base.

  • Remove account

    Tool name: remove_account

    Unlink a previously added Superhuman Mail account from this session by its email.

  • Send draft

    Tool name: send_draft

    Send an existing Superhuman Mail draft.

  • Set default account

    Tool name: set_default_account

    Make a linked Superhuman Mail account the default (primary) account that actions run as when no specific account is given.

  • Trash thread

    Tool name: trash_thread

    Move an email thread to trash by thread ID.

  • Undo send

    Tool name: undo_send

    Check whether a draft was queued for sending and cancel it if so.

  • Unsubscribe

    Tool name: unsubscribe

    Unsubscribe from a mailing list by thread ID based on the List-Unsubscribe header of the latest message in the thread.

  • Update personalization

    Tool name: update_personalization

    Update the user's personalization based on natural language feedback.

  • Update thread

    Tool name: update_thread

    Update an email thread: mark done/not done, star/unstar, read/unread, move between Important and Other, add or remove labels, or move to a folder.

Compatibility

Connect Superhuman Mail to the clients your teams already use

27 AI clients can connect to Superhuman Mail through Runlayer. Pick one for its setup steps and controls.

Why Runlayer

Why connect Superhuman Mail through Runlayer?

One approved path

Approve Superhuman Mail once and everyone gets it in the AI clients they already use. Runlayer holds the credentials, so nothing sits in client configuration.

Fine-grained policy

Control who can use each server, tool, and resource, and under which runtime conditions.

Runtime security

Scan tool inputs and outputs for prompt injection, credential exposure, PII, and data exfiltration, then alert, mask, or block.

Audit and observability

Trace every request across users, clients, tools, policies, scanner decisions, and downstream systems.

Frequently asked questions