"calendar" matching MCP servers:

10 MCP servers so agents can work in Korea: Naver Smart Store, Coupang, Cafe24, public data (business status, holidays, addresses), HWP files, KakaoTalk, Popbill e-tax invoices & 알림톡, Toss Payments, Japan→Korea sourcing, tax calendar — with human approval on every write. npm @appmonster/mcp-*.

Enables reading the school lunch calendar, managing students, placing and changing orders, and tracking deliveries and payments on a My Hot Lunchbox parent account. It signs in server-side with account credentials and exposes 38 MCP tools with confirm-gated write operations.

Live market intelligence for AI agents, paid per call in USDC on Base via x402 — no API key or signup. SEC insider trades and insider cluster buying, Polymarket and Kalshi prediction-market odds and 24h movers, 24 US macro indicators with an economic release calendar, and analytics on the x402 agent economy (service rankings, trends, pricing, and a usage-ranked search for paid APIs). Data refreshe

A privacy-first MCP server providing 14 offline Brazilian utilities including document validation, boleto parsing, PIX BR Code generation/parsing, and calendar tools.

Enables freelancers and agencies to run eight back-office workflows across Stripe, Google Drive, Linear, Google Calendar, Gmail, GitHub, Google Docs, Granola, Google Sheets and Firecrawl, covering client onboarding, invoices from calendar and commits, status reports, scope-creep detection, site audits and overdue invoice chasers. Reads run freely, while anything that creates, sends, changes or deletes is shown for approval first, with credentials kept in your own OS keychain and no proxying through any third-party server.

Enables agents to run 14 billing and finance workflows across Stripe, Gmail, Slack, Google Calendar, Sheets, Drive, Docs, GitHub, Shopify, Linear and Notion — from generating invoices and chasing failed payments to reconciling payouts, assembling dispute evidence and building revenue and fee reports. Reads run automatically, while anything that creates, sends, changes or deletes is shown for approval first.

Enables AI agents to build and parse VietQR payments, convert old 63-province addresses to the 34-province structure, validate tax IDs and e-invoices, turn money amounts into Vietnamese words, and convert between solar and lunar calendar dates. All tools run offline with bundled data, returning structured ok/error results.