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_accountStart 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_draftCompose an email on behalf of the user.
Create or update event
Tool name:
create_or_update_eventCreate a new calendar event or edit an existing one.
Create or update reminder
Tool name:
create_or_update_reminderCreate or reschedule a reminder on a Superhuman Mail thread.
Create or update snippet
Tool name:
create_or_update_snippetSave a reusable Superhuman Mail snippet (an email template).
Discard draft
Tool name:
discard_draftDiscard a user-owned Superhuman Mail draft by draft_id so it disappears from the user's Drafts list.
Discard reminder
Tool name:
discard_reminderDiscard (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_snippetRemove a saved Superhuman Mail snippet, identified by the id from list_snippets.
Get attachment
Tool name:
get_attachmentRetrieve email attachments.
Get availability
Tool name:
get_availabilityFind available meeting times for a group of participants.
Get draft
Tool name:
get_draftFetch a single Superhuman Mail draft by draft_id, including its full body and quoted content.
Get draft send status
Tool name:
get_draft_send_statusRead-only check of a Superhuman Mail draft's send state.
Get message
Tool name:
get_messageFetch a single email message by its message ID.
Get read status feed
Tool name:
get_read_status_feedGet a feed of read receipts for emails you've sent — who opened them, when, and on what device.
Get snippet
Tool name:
get_snippetFetch 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_threadFetch a specific email thread by its thread ID.
List accounts
Tool name:
list_accountsList the Superhuman Mail accounts linked to this session.
List drafts
Tool name:
list_draftsList 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_labelsList all labels available on the user's email account.
List reminders
Tool name:
list_remindersList the user's Superhuman Mail reminders.
List snippets
Tool name:
list_snippetsList the user's saved Superhuman Mail snippets — reusable email templates.
List splits
Tool name:
list_splitsList the user's inbox splits.
List threads
Tool name:
list_threadsSearch email threads with structured filters.
Mark spam
Tool name:
mark_spamMark an email thread as spam by thread ID.
Query email and calendar
Tool name:
query_email_and_calendarAnswer natural-language questions about the user's emails, calendar, contacts, and knowledge base.
Remove account
Tool name:
remove_accountUnlink a previously added Superhuman Mail account from this session by its email.
Send draft
Tool name:
send_draftSend an existing Superhuman Mail draft.
Set default account
Tool name:
set_default_accountMake a linked Superhuman Mail account the default (primary) account that actions run as when no specific account is given.
Trash thread
Tool name:
trash_threadMove an email thread to trash by thread ID.
Undo send
Tool name:
undo_sendCheck whether a draft was queued for sending and cancel it if so.
Unsubscribe
Tool name:
unsubscribeUnsubscribe 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_personalizationUpdate the user's personalization based on natural language feedback.
Update thread
Tool name:
update_threadUpdate 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.
