Works with Muse, Claude and ChatGPT
Your own calendar and contacts server
If your calendars and contacts live on a server that speaks CalDAV or CardDAV, your agent can read them, and add and change events and contacts once you allow it. You give us the server’s address and a password once.
Free for up to 3 connectors. No card needed.
Tools
What your agent can do
Each is a tool your agent calls by name. Read tools are on from the start; write tools wait for your switch.
Calendar tools
- read
calendar.list_eventsList events. List events between two moments, earliest first, with repeating events expanded into their occurrences and times given in each event’s own time zone.
- read
calendar.read_eventRead an event. Read one event or occurrence in full: its times and time zone, location, notes, link, repeat rule, organizer and attendees.
- read
calendar.list_calendarsList calendars. List the calendars of this account that hold events, with the id other calendar tools take and whether each can be written to.
- write
calendar.create_eventCreate an event. Create a single event in a calendar; it invites nobody and does not repeat, and a person can remove it in their calendar app.
- write
calendar.update_eventChange an event. Change the title, times, location or notes of an event, leaving the rest as it was; refused if it changed since it was read, or has attendees, who would be told.
Contacts tools
- read
contacts.searchSearch contacts. Search contacts by part of a name, email address, phone number or organization, and return each match’s addresses and numbers.
- read
contacts.readRead a contact. Read one contact in full: names, email addresses, phone numbers, postal addresses, organization, birthday, links and notes.
- read
contacts.list_address_booksList address books. List the address books of this account, with the id other contacts tools take and whether each can be written to.
- write
contacts.createCreate a contact. Create a contact in an address book from the names, addresses and numbers given.
- write
contacts.updateChange a contact. Change fields of a contact, keeping every field not named and everything else it holds, such as its photo; it fails if the contact changed since it was read.
Set it up
Four steps, about five minutes
Find the server’s address
It is the address your calendar app uses, such as
https://cloud.example.org/remote.php/davon Nextcloud. It starts withhttps: we only send a password over an encrypted connection.Make a password for it
On Nextcloud, make an app password under Settings, then Security. On another server, use the one you sign in with, or one made for apps if it offers that.
Add it to muse.space
Create an account and you land on the form for a calendar and contacts server. Give its address, your user name and the password, and we find your calendars and address books from there.
Connect your agent
Each agent has a short guide of its own. None of them ever sees the password.
- MuseGive Muse your iCloud Mail, Calendar and Contacts without giving it the password. About five minutes from your phone, and free for up to 3 connectors.
- ClaudeAdd iCloud Mail, Calendar and Contacts to Claude as a custom connector. Claude signs in, you choose what it may use, and it never sees the password.
- ChatGPTAdd iCloud Mail, Calendar and Contacts to ChatGPT with developer mode. ChatGPT signs in, you choose what it may use, and it never sees the password.
- Claude CodeOne command adds muse.space to Claude Code. Sign in once, and it can search your iCloud Mail, check your calendar and find contacts, without the password.
Questions
Fair things to ask first
- Which servers work?
- Any that speaks CalDAV or CardDAV at an https address, such as Nextcloud, Radicale or Baïkal. If your calendar app can reach it with a user name and a password, so can we.
- Does Fastmail’s calendar work?
- Yes, as a server of your own: the address is
https://caldav.fastmail.com/, and its contacts are at a different one,https://carddav.fastmail.com/, which the form asks for separately. Make the app password for Mail, Contacts & Calendars. - Can my agent delete events or contacts?
- No. No tool deletes an event or a contact, or invites anybody. Once you turn writing on, your agent can add them and change the ones already there.
- Do you keep my events and contacts?
- No. They pass through our servers in memory for the length of the call, and are never saved or logged.
- What does it cost?
- Nothing for up to 3 connectors, and a password counts once, however many connectors it opens. Personal, for everything more, is $5 a month or $48 a year. It is not on sale yet, and until it is we give it with codes.
Read next
Other guides
- Other mailboxesConnect Fastmail, Zoho Mail, Gmail or any mailbox that speaks IMAP to Muse, Claude or ChatGPT with an app password. Your agent never sees it.
- iCloud CalendarLet Muse, Claude or ChatGPT read your iCloud Calendar and, when you allow it, add and move events. One app-specific password, about five minutes to set up.
- MCP serversMuse’s own integrations carry a key. Sign in to Notion, Linear or any remote MCP server through muse.space instead, and Muse gets one agent token for all.
- MuseGive Muse your iCloud Mail, Calendar and Contacts without giving it the password. About five minutes from your phone, and free for up to 3 connectors.
About five minutes from here
Free for up to 3 connectors, and no card to start.