"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
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Business days, meeting overlap and recurrence expansion, deterministic. 3 of 5 tools free.
Hosted remote server for a Microsoft 365, Gmail or IMAP mailbox you already own: 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.
Read-only MCP server for short-term rental owners in Poland. Query reservations, availability, pricing, guest reviews, and monthly stats via 10 tools. OAuth 2.1 with PKCE or static Bearer token.
Time and date math for AI agents: Unix timestamp conversion, DST-correct time zone conversion, durations, epoch arithmetic, cron schedules, and holiday countdowns. Eight tools, no key.
Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
Zero-auth MCP server for sending a reminder to anyone with a public UnRemind.me page. No account or token. The recipient approves it before it enters their list.
OneHaus household tools: tasks, calendar, contacts, pets, vehicles, documents and more.
Free no-signup group scheduling describe a plan, share a link, rank times by who's free. Public MCP for AI assistants.
Free no-signup group scheduling; share a link and rank times by who's free.
Read the .ics your calendar exports: events in a window, free-busy, double bookings, export.
Ask the agent of someone whose calendar you could not get. No credential needed to try.
Moscow vet clinic network (20 clinics, 24/7): clinics, live prices, slots, booking, triage. Russian
Find a time a group can meet: no-login availability poll that picks the best meeting slot.
Nonlinear Calendar: this year’s months fold onto the previous 12 years. No key to try.
Reliable Australian business-day, public-holiday and deadline tools for AI agents.
Book meetings on a host's real availability. No auth - mirrors their public Yoya page.
Send a reminder to anyone with a public UnRemind.me page. No account or token.
Book a table, appointment or class at a real local business. Instant confirmation, no API key.
Reliable Australian utility tools for AI agents, including state and territory-aware business-day, public-holiday, date-range and deadline calculations.
Cuvo Health published site content and live discovery-call booking tools for AI agents.