"Tools and methods for plotting graphs without an API key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Business days, meeting overlap and recurrence expansion, deterministic. 3 of 5 tools free.
Look up Swedish name days by date or name. Find out which names are celebrated today, discover the names associated with any calendar date, or find the name day for a specific name. The service provides Swedish name day information, including name meanings, cultural and historical background, alternative spellings, and name variants.
Count workdays, office days and PTO days, or list bank holidays and school breaks.
Turn a list of interests into a day-by-day plan for 3 to 7 days, with checkbox text for a todo app.
Warehouse dock appointment scheduling: find open slots, book, reschedule, approve, and check in trucks.
Connect your AI assistant to Rawa, the AI marketing platform. Look up brands and guidelines, products, audiences, creatives, performance, the marketing calendar and competitor ads; keep your calendar and library up to date; and, when an organization admin allows it, generate new creatives and publish posts. Sign in with your Rawa account.
The official Lunacal MCP server lets AI assistants manage your scheduling directly. Find open time slots, book meetings, reschedule or cancel bookings, and create or update event types, all through natural conversation.
Send WhatsApp and Telegram messages, manage reminders and check numbers in your WbizTool workspace.
Schedule and cross-post short-form video to TikTok, YouTube Shorts, Reels and 10 more platforms.
Schedule spaced reviews and exam study plans from each learner's forgetting curve.
U.S. federal holidays with observed dates and business-day math. Example from an open-source kit.
Schedule meetings, manage event types, and check availability through Lunacal's scheduling platform.
Read vehicle records, service history and reminder settings. OAuth access via supported clients.
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.
Converts a local time in one IANA zone to up to 20 target zones with UTC offset, abbreviation and DST flag per target, and flags nonexistent or ambiguous local times at DST transitions. zone_info returns a zone's offsets and DST rules; overlap_hours finds shared working hours across zones. Pay-per-call via x402 ($0.005 USDC on Base); initialize and tools/list are free.
INITE itself: services and prices, free call slots, booking a call, writing to the team. No token.
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.
Invites, guest lists and text blasts for your events.
Find meeting times that overlap working hours across IANA time zones, DST-aware. Free tier.
