"Proton Calendar" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Calendar MCP server with atomic booking, conflict prevention, deterministic RRULE expansion, and TOON token compression for AI agents.
Plan, schedule and publish social media posts across Instagram, Facebook, LinkedIn and X. An agent can read your content calendar and brand voice, find free posting slots that respect each project's minimum gap and its audience's prime-time windows, draft a separate post for each platform, and — with explicit opt-in and per-post confirmation — publish. 14 tools, each declaring whether it reads or writes. Docs: https://socialroute.net/mcp
Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.
Heldly reads your Google Calendar directly, places tentative holds on every host's calendar, and emails the invitee a one-click picker. The moment the invitee picks, Heldly confirms the chosen slot and deletes the siblings across every host's calendar in the same request. No reusable booking page, no in-app form, no calendar cleanup.
Outlook Calendar MCP Pack
The Boston Calendar MCP.
Google Calendar MCP Pack
Islamic prayer times & calendar MCP (Aladhan API). Keyless.
Read your .ics calendar for appointments, free-busy windows and conflicts.
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.
Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).
Read the .ics your calendar exports: events in a window, free-busy, double bookings, export.
SEO automation MCP with 39 tools. 12 free tools (no auth): audit pages, check Core Web Vitals, validate schema, score AI visibility, generate keywords. 27 pro tools with account: manage content calendar, track GSC traffic, monitor AI bot visits (ChatGPT/Perplexity), analyze backlinks, and publish directly to WordPress, Webflow, or Wix.
Run your Calaf recruiting book from chat: firms, people, pipeline, calendar, notes, and prep.
China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.
Invite someone to a calendar event by phone number and get their real email back when they accept.
Extracts calendar events from natural-language text, with .ics and calendar links.
Xome MCP — US residential foreclosure/REO/short-sale auction calendar and
Federal Reserve communications from federalreserve.gov: the FOMC meeting calendar, each policy…
