"MCP servers that work without API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Let AI agents draft, schedule and publish posts to 17 social platforms, read analytics and reply.
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.
Warehouse dock appointment scheduling: find open slots, book, reschedule, approve, and check in trucks.
Check shifts, time clock entries, time-off requests, swaps and availability, and manage shifts.
Look up shop customers, vehicles, work orders and parts, and create orders or book appointments.
Hosted MCP server for the Healthie EHR & telehealth API: patients, appointments, charting, tasks.
Invites, guest lists and text blasts for your events.
Jobs, quotes, invoices and schedule in Tradify.
Appointments, clients, sales and reviews for salons and spas.
Bookings, providers and customers in your BookingKoala store.
Bookings, clients, reviews and reports for beauty businesses.
Find free times at Gaplessly businesses on a plan with AI booking, then get a link to book.
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.
INITE itself: services and prices, free call slots, booking a call, writing to the team. No token.
Find meeting times that overlap working hours across IANA time zones, DST-aware. Free tier.
Find open slots on any appty link and book solo providers. Providers manage bookings by API key.
Western church year: seasons, colors, feasts, Easter and Pascha, and the 1979 BCP Sunday lectionary.
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.
Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.
