Multimail Mcp Server

Name: Multimail Mcp Server
Author: multimail-dev

by multimail-devcommunityv0.1.4

MCP server for MultiMail that lets an agent send, receive, and manage email mailboxes with configurable human oversight. It supports mailbox setup, inbox/thread reading, sending and scheduling mail, contacts, webhooks, account and API key management, and oversight approval workflows.

From the registry: Email for AI agents. Send and receive as markdown with human oversight.

GitHub Repository

Install & configure

Install in your client

Paste into the AI you're chatting with — it will figure out the rest

Please install the `multimail-mcp-server` MCP server into my current AI client (that's you).

Canonical MCP server config (HTTP transport):
- url: `https://mcp.multimail.dev/mcp`

Note: MultiMail MCP — hosted OAuth remote server (recommended). Also installable locally via `npx -y @multimail/mcp-server` with MULTIMAIL_API_KEY.

Add this MCP server to my current client's config in the correct format for you. If you need secrets or credentials I haven't provided, ASK me — do not invent values or leave raw placeholders. After adding it, tell me how to verify the server is connected.

Note: MultiMail MCP — hosted OAuth remote server (recommended). Also installable locally via `npx -y @multimail/mcp-server` with MULTIMAIL_API_KEY.

Tools (40)

list_mailboxes

List all mailboxes available to this API key

configure_mailbox

Set up mailbox preferences: oversight mode, display name, CC/BCC, scheduling, signature

send_email

Send an email with a markdown body, attachments, idempotency key, and optional scheduled delivery

check_inbox

List emails with filters and cursor pagination

read_email

Get full email content with trusted metadata and untrusted body separated

reply_email

Reply to an email in its existing thread

download_attachment

Download an email attachment as base64 with content type

get_thread

Get all emails in a conversation thread with participants and metadata

cancel_message

Cancel a pending or scheduled email

schedule_email

Schedule an email for future delivery

edit_scheduled_email

Edit a scheduled email before it sends

update_mailbox

Update mailbox settings such as display name, oversight mode, signature, and webhooks

update_account

Environment variables

MULTIMAIL_API_KEYrequiredYour MultiMail API key for full access

MULTIMAIL_MAILBOX_IDDefault mailbox ID to use when one is not passed per tool call

MULTIMAIL_API_URLAPI base URL for MultiMail

Packages

@multimail/mcp-server

npmv0.1.4transport: stdio

Details

Language: JavaScript
License: MIT
Released: Feb 22, 2026
Last commit: Jun 12, 2026
Registry name: io.github.H179922/multimail-mcp-server

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Update account settings such as org name, oversight email, and physical address

delete_mailbox

Permanently delete a mailbox

request_challenge

Request a proof-of-work challenge for account creation

create_account

Create a new account with a solved proof-of-work challenge

resend_confirmation

Resend the activation email with a new code

activate_account

Activate an account using the code from the confirmation email

tag_email

Set, get, or delete key-value tags on emails

add_contact

Add a contact to the address book with optional tags

search_contacts

Search the address book by name or email

get_account

Get account status, plan, quota, sending enabled, and enforcement tier

create_mailbox

Create a new mailbox

request_upgrade

Request an oversight mode upgrade

apply_upgrade

Apply an upgrade code from the operator

get_usage

Check quota and usage stats for the billing period

list_pending

List emails awaiting oversight decision

decide_email

Approve or reject a pending email

delete_contact

Delete a contact from the address book

check_suppression

List suppressed email addresses

remove_suppression

Remove an address from the suppression list

list_api_keys

List all API keys

create_api_key

Create a new API key with scopes

revoke_api_key

Revoke an API key

get_audit_log

Get the account audit log

delete_account

Permanently delete the account and all data

wait_for_email

Block until a new email arrives matching filters, or timeout

create_webhook

Create a webhook subscription for real-time email event notifications

list_webhooks

List all webhook subscriptions for the account

delete_webhook

Delete a webhook subscription

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