"How to send a message on Slack" matching MCP connectors:
Matching Connector Tools:
Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.
take-the-meeting MCP — wraps StupidAPIs (requires X-API-Key)
Calendly MCP Pack — wraps the Calendly API v2 for scheduling data.
Google Calendar MCP Pack
Free no-signup group scheduling (a modern When2meet): share one link, find a time for everyone.
Book a Ukrainian-speaking vertebrologist in Chernivtsi, Ukraine: find slots and book for the user.
Invite someone to a calendar event by phone number and get their real email back when they accept.
Members-run AI builder space on Floor 10, Frontier Tower SF. 138 tools: events, news, directory.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
Group scheduling: create a plan link, mark availability, get best times, lock the final time.
Book, reschedule and cancel appointments at any business on the BookingMaven marketplace.
Personalized timing intelligence for AI agents — ask 'should I do X on this date?'
AI-powered virtual assistant that connects to Gmail, Outlook, Slack, Salesforce, HubSpot, Google Calendar, DocuSign, QuickBooks, and 20+ other services. Manage your entire professional life through a single Claude conversation — email, calendar, CRM, documents, travel, expenses, and more.
Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)