"An exploration of deep search technologies or methods" matching MCP connectors:
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Hosted email MCP for your own Gmail, Outlook.com, Microsoft 365, iCloud or IMAP inbox: read, search, draft, reply in thread, forward and file mail. It moves or flags up to 500 messages in one call, and a send leaves exactly one copy in Sent. A calendar is a separate connection, and connecting one adds diary and scheduling tools.
Scheduling: event types, open slots, and booking, rescheduling or cancelling meetings in Caly.
Find open times and book, reschedule or cancel meetings on anyone's Tempi link. No account needed.
Search, summarize and organize your WhatsApp chats from Claude, ChatGPT or Cursor: contacts, groups, labels, notes, reminders and scheduled messages. Tool calls run in the Kaption extension for WhatsApp Web (Chrome, Edge) or the Kaption desktop app, which must be open. Sign-in is OAuth 2.1 with a code sent on WhatsApp. No send-now tool. Setup: https://kaptionai.com/mcp/
Free hosted MCP server that connects ChatGPT and Claude (claude.ai, Claude Code) to multiple Gmail, Google Calendar, Google Drive (read-only) and Google Contacts accounts, Slack workspaces and Notion through one connection URL. Search, read and act across every connected account at once, with a memory shared across your AI assistants. OAuth sign-in. Outlook / Microsoft 365 are not supported.
Zero-auth MCP server for sending a reminder to anyone with a public UnRemind.me page. No account or token. The recipient approves it before it enters their list.
Search clients, appointments, intakes, notes and invoices in IntakeQ, and book or cancel visits.
MCP server for Cronofy — read calendars, events and free/busy, and create, update or delete events.
Read Humanitix events, orders, tickets and live check-in counts, and check tickets in or out.
Read appointments, types, calendars and availability; create, cancel or reschedule bookings.
Look up members, events, registrations, invoices and payments, and add contacts or check in guests.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
English blog + agentic workflows architect profile (Paris): search, full text, projects, booking.
Look up shop customers, vehicles, work orders and parts, and create orders or book appointments.
Count working days between two dates, add business days to a date, or list public holidays.
Find and book independent tutors, or find students asking for a tutor in your subject.
116 marketing, RevOps and SaaS calculators with benchmarks, guided reviews, content search, booking.
Find, get quotes from and book local service businesses on their own Square or Google calendar.
Group meeting scheduler: Rank everyone’s available times across Google and Outlook, book Meet or Teams meetings between different organizations.
Convert times between IANA zones and detect skipped or ambiguous DST local times.