"Google Calendar" matching MCP connectors:

Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).

Latin American business compliance suite — 28 tools for tax ID validation (CPF, CNPJ, RFC, RUT, CUIT, NIT), banking (PIX, CLABE, CBU), VAT rules, e-invoicing (NF-e, CFDI, DTE), holidays, and labor calendar across Brazil, Mexico, Chile, Argentina, and Colombia.

Law firm management MCP: manage cases, clients, tasks, calendar and documents via Claude AI.