"MCP servers that don't require API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Find free times at Gaplessly businesses on a plan with AI booking, then get a link to book.
Create beautiful forms that do more. Take payments, get documents signed, automate the rest.
A phone line for your app or business that answers calls, takes messages and bookings.
Ask your AI assistant about your class studio's own numbers. See upcoming classes and how full they are, find the classes that need promoting, and check fill rates, attendance, bookings, cancellations and revenue from classes, gift cards and private events. Read-only, and limited to the studio that connects.
Token counts, contrast, time zones, JSON repair, Supabase RLS, leaked keys, SPF/DMARC, AI bot access
Find and book a local home-service business, with a card deposit, from your AI.
Keep your household on the same page with ComingUp Today. Built for families and caregivers managing busy schedules, ComingUp brings calendars, lists, notes, contacts, and recipes together. Connect your AI assistant to see what’s coming up, add groceries, find household information, save recipes, and create or update ComingUp events—all through conversation. Connect securely with OAuth and choose the permissions you grant. Connected external calendars remain read-only.
Let AI agents draft, schedule and publish posts to 17 social platforms, read analytics and reply.
Find free rooms and book, change or cancel them. Sign in from Claude, ChatGPT or Grok Bot.
Booking pages, free times and meetings for your agent. Pay per action.
MCP server that enables AI assistants like Claude and ChatGPT to retrieve event data and execute event management operations in Nunify event platform.
SmartShifts' MCP server gives an assistant scheduling, time-off and task tools for multi-location businesses such as restaurants. Find staffing gaps, check team availability, request or approve time off, and complete tasks. Every action runs with the user's own role and location permissions, changes wait for approval by default, and sensitive personal fields are left out.
Chickadee Bandit is a private hub for a household: its members, conversations, and the apps it has installed (calendar, chores, groceries, medications, co-parenting, and more). The MCP server lets an AI assistant work inside that household as the person who connected it. It sees exactly what that person can see, and nothing more.
Invites, guest lists and text blasts for your events.
Create and update subscription calendars from ChatGPT, Claude, or Codex.
Turn schedules into subscription calendars with ChatGPT, Claude, or Codex. Review dates, update events, and follow the feed in Apple Calendar, Google Calendar, or Outlook. Connect your Smart Calendars AI account through OAuth; no API key or app download required.
Bookings, providers and customers in your BookingKoala store.
Appointments, clients, sales and reviews for salons and spas.
Create and manage potluck, braai, and party item bring-lists and RSVP sign-up sheets.
Organize group events, braais, and potlucks with live item checklists and guest coordination.
Jobs, quotes, invoices and schedule in Tradify.
Create and query group meeting availability polls, time-zone slots, and scheduling links.
Bookings, clients, reviews and reports for beauty businesses.
INITE itself: services and prices, free call slots, booking a call, writing to the team. No token.
Create and query instant group meeting polls, availability voting, and cross-timezone scheduling links.
Find meeting times that overlap working hours across IANA time zones, DST-aware. Free tier.
Western church year: seasons, colors, feasts, Easter and Pascha, and the 1979 BCP Sunday lectionary.
Find open slots on any appty link and book solo providers. Providers manage bookings by API key.
Remote MCP server for SYNCDATE, the two-way calendar sync for Google, Outlook, iCloud and CalDAV. Manage syncs and accounts on every plan; read, find and change calendar events on Plus, Pro and Team. OAuth 2.0 with PKCE, hosted, no API key.
Read-only MCP server for short-term rental owners in Poland. Query reservations, availability, pricing, guest reviews, and monthly stats via 10 tools. OAuth 2.1 with PKCE or static Bearer token.
