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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.
Japanese national holidays from the Cabinet Office data: check dates (holiday / substitute holiday / business day), count business days, find the date N business days later, and list long weekends. Does not guess unannounced years.
Reach other people, and the AIs they use, from any app: message them, ask for a yes, agree a time.
Latvian public holidays, days off and annual leave for 2026 and 2027, computed from Latvian law.
Calm day planner for designers and freelancers. Read, add, time and move your tasks from Claude.
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/
Deterministic date arithmetic with auditable receipts: business days, due dates, holidays.
Flying club and aircraft partnership management — book your aircraft, check availability, log Hobbs/Tacho hours, settle flights and pull METAR from your AI assistant.
Days between dates & workdays
Read-only public info from MEOM, a Finnish B2B website agency: services, references, team, booking.
Book pool service in Tempe, AZ: prices, service area by ZIP, free callback from a local pro.
Create and update subscription calendars from ChatGPT, Claude, or Codex.
Hindu panchang for 50+ cities, verified festival dates and vrat days from DivineAI. No prices.
The Chinese almanac, lunar dates, Four Pillars, solar terms and the sky, calculated from astronomy.
Calendly MCP Pack — wraps the Calendly API v2 for scheduling data.
Answers from Mike Fluff Press books, the business diagnostic, AI-text check, call booking.
Answer small-business customer questions from FAQs, list open appointment times, and book them.
Japanese holiday and business-day calculations using official Japan Cabinet Office data.
Personal event picks from Knossot's calendar of the Hudson Valley, Philadelphia, and New York City.
