MailKite

Tool

Signature

Access

What it does

mailkite_send

from*: string, to*: any, subject: string, html: string, text: string, templateId: string, templateData: object, cc: any, bcc: any, replyTo: string, inReplyTo: string, headers: object, attachments: array, scheduledAt: string,number, trackOpens: boolean, trackClicks: boolean

API key · write

Send a message over a verified domain.

mailkite_send_batch

from*: string, recipients*: array, subject: string, html: string, text: string, templateId: string, templateData: object, headers: object, replyTo: string, inReplyTo: string, attachments: array, scheduledAt: string,number, trackOpens: boolean, trackClicks: boolean

API key · write

Send one personalized message per recipient (up to 50) in a single call.

mailkite_upload_attachment

filename: string, path: string, url: string, content: string, contentType: string, retentionDays: integer

API key · write

Upload a file to MailKite storage and get back a secure, time-limited URL.

mailkite_list_templates

—

session · read

List your saved email templates (light metadata only — no body).

mailkite_list_base_templates

—

session · read

List the premade base templates (light metadata).

mailkite_get_template

id*

session · read

Get one template (full: subject, html, text, theme).

mailkite_create_template

baseId: string, name: string, subject: string, html: string, text: string, json: string, theme: string

session · write

Create a template.

mailkite_list_domains

—

session · read

List your domains, each with its webhook URL.

mailkite_create_domain

domain*: string

session · write

Add a domain.

mailkite_get_domain

id*

session · read

Get one domain with DNS records + webhook.

mailkite_delete_domain

id*

session · delete/replace

Remove a domain.

mailkite_verify_domain

id*

session · write

Check DNS and update status.

mailkite_set_webhook

id*, url*: string

session · delete/replace

Set or replace the domain's catch-all webhook.

mailkite_set_tracking_webhook

id*, url*: string

session · delete/replace

Set or replace the domain's dedicated tracking-event webhook: an HTTPS endpoint that receives signed email.* engagement events (email.sent / email.bounced / email.complained / email.opened / email.clicked, shaped per the tracking-event schema) SEPARATELY from inbound mail.

mailkite_delete_tracking_webhook

id*

session · delete/replace

Remove the domain's tracking-event webhook (engagement events stop).

mailkite_set_webhook_events

id*, events*: any

session · delete/replace

Opt the domain's inbound webhook into engagement events — one webhook, all events.

mailkite_delete_webhook_events

id*

session · delete/replace

Opt the domain's inbound webhook back out of engagement events (inbound email.received only — the default).

mailkite_delete_webhook

id*

session · delete/replace

Remove the domain's webhook.

mailkite_test_webhook

id*

session · write

Send a signed test event to the domain's webhook.

mailkite_check_domain_availability

domain*

session · read

Check whether a domain is available to register, and at what price.

mailkite_register_domain

domain*: string, contact*: object, years: integer, dryRun: boolean

session · write

Register (buy) a domain on the customer's behalf; provisions mail DNS and adds it to the account in one call.

mailkite_list_routes

—

session · read

List inbound routing rules.

mailkite_create_route

match*: string, action: string, destination: string, agentPrompt: string, agentForwardTo: array, agentContext: string

session · write

Create a route (match, action, destination).

mailkite_delete_route

id*

session · delete/replace

Delete an inbound routing rule by id.

mailkite_agent

text*: string, subject: string, from: string, html: string, routeId: string, address: string, model: string

API key · write

Send a message to one of your inbox agents and get its reply.

mailkite_route

routeId: string, address: string, from*: string, subject: string, text: string, html: string

API key · write

Route a message to one of your registered routes (by routeId or address), running that route's action — agent, webhook, or forward.

mailkite_list_messages

—

session · read

List stored messages, newest first.

mailkite_get_message

id*

session · read

Get a message with deliveries + attachments.

mailkite_retry_delivery

id*

session · write

Re-deliver a stored message to its webhook.

mailkite_list_lists

—

session · read

List your contact lists (static, curated broadcast audiences), each with its member count.

mailkite_create_list

name*: string

session · write

Create a contact list.

mailkite_get_list

id*

session · read

Get one contact list with its member count.

mailkite_update_list

id*, name*: string

session · write

Rename a contact list.

mailkite_delete_list

id*

session · delete/replace

Delete a contact list.

mailkite_list_list_contacts

id*

session · read

List the contacts that are members of a list, newest first.

mailkite_add_list_contacts

id*, contactIds*: array

session · write

Add contacts (by id, ctr_…) to a list.

mailkite_remove_list_contact

id*, contactId*

session · delete/replace

Remove one contact from a list (the contact itself is kept).

mailkite_list_broadcasts

—

session · read

List your broadcasts (one-to-many sends) with status and send stats.

mailkite_create_broadcast

name: string, from*: string, replyTo: string, subject: string, preview: string, audience: object, templateId: string, html: string, text: string, footerAddress: string

session · write

Create a broadcast draft.

mailkite_get_broadcast

id*

session · read

Get one broadcast with its status and recipient summary.

mailkite_update_broadcast

id*, name: string, from: string, replyTo: string, subject: string, preview: string, audience: object, templateId: string, html: string, text: string, footerAddress: string

session · write

Edit a draft broadcast (any of from/subject/audience/html/… ).

mailkite_delete_broadcast

id*

session · delete/replace

Delete a broadcast draft.

mailkite_send_broadcast

id*, scheduledAt: string

session · write

Send a broadcast now, or pass an ISO 8601 scheduledAt to schedule it.

mailkite_verify_webhook

payload*: string, signature*: string, secret*: string, toleranceMs: integer

local · read

Verify the x-mailkite-signature header on an inbound webhook delivery.

mailkite_semantic_search

query*

API key · read

Semantic search over the MailKite documentation — returns the most relevant doc sections for a natural-language query (hybrid vector + keyword search over https://mailkite.dev/docs).

mailkite_set_retention

id*, zeroRetention*: boolean

session · delete/replace

Toggle zero-retention passthrough for the domain ({ zeroRetention }).

mailkite_set_encryption

id*, publicKey*: string

session · delete/replace

Enable at-rest encryption for the domain with a public key ({ publicKey }).

mailkite_delete_encryption

id*

session · delete/replace

Disable at-rest encryption for the domain.

mailkite_list_schemas

—

API key · read

List every published JSON Schema with the URL it is served from.

mailkite_get_schema

name*

API key · read

Fetch one schema as application/schema+json, with an absolute $id a validator can resolve and cache.

mailkite_signup

email*: string, password*: string, ref: string, channel: string, referrer: string

session · write

Create an account.

mailkite_login

email*: string, password*: string

session · write

Log in with email + password.

mailkite_google_signin

code*: string, redirectUri*: string, ref: string

session · write

Sign in with a Google auth code.

mailkite_get_api_key

—

session · read

Get the account's unrestricted API key (mk_live_…).

mailkite_rotate_api_key

—

session · write

Rotate the account API key: the old key stops working immediately and a fresh one is returned.

mailkite_list_scoped_keys

—

session · read

List the account's domain-scoped API keys.

mailkite_create_scoped_key

domainId*: string, name: string

session · write

Create a key scoped to one domain.

mailkite_delete_scoped_key

id*

session · delete/replace

Revoke a domain-scoped key.

mailkite_list_app_passwords

—

session · read

List the account's app passwords.

mailkite_create_app_password

domain*: string, domainId: string, address: string, protocols: array, label: string

session · write

Create an app password for one domain and address pattern.

mailkite_delete_app_password

id*

session · delete/replace

Revoke an app password.

mailkite_list_mailbox_messages

address*

session · read

List a mailbox's messages, newest first.

mailkite_get_mailbox_message_raw

uid*, address*

session · read

Fetch one message's raw RFC822 bytes from a mailbox.

mailkite_set_mailbox_message_flags

uid*, address*, flags*: string

session · write

Replace a message's IMAP flags (e.g.

mailkite_get_usage

—

session · read

Current billing-period usage: emails used vs the plan's included bucket (null = unlimited), AI actions, and the overage state that gates sending.

mailkite_list_suppressions

—

session · read

List suppressed addresses (unsubscribes, hard bounces, spam complaints, manual).

mailkite_add_suppression

email*: string, reason: string, note: string

session · write

Suppress an address so this account never sends to it again (reason defaults to manual).

mailkite_remove_suppression

email*

session · delete/replace

Remove an address from the suppression list (URL-encode the email in the path).

mailkite_register

email*: string, channel: string, ref: string, referrer: string

session · write

Create a MailKite account from just an email — no password.

mailkite_me

—

API key · read

The account behind this credential: email, whether it is verified (sending is blocked until it is), and plan.

Library

Repo

Distribution

MailKite for Node.js

mailkite-node

npm

MailKite for Python

mailkite-python

PyPI

MailKite for Ruby

mailkite-ruby

RubyGems

MailKite for Java

mailkite-java

Maven Central

MailKite for PHP

mailkite-php

Packagist

MailKite for Go

mailkite-go

Go modules

@mailkite/cli

mailkite-cli

npm

@mailkite/mcp (this repo)

mailkite-mcp

npm

@mailkite/client

mailkite-js

npm

@mailkite/expo

mailkite-expo

npm

MailKiteClient

mailkite-swift

Swift Package Manager

dev.mailkite:mailkite-client

mailkite-kotlin

Maven Central

mailkite_client

mailkite-flutter

pub.dev