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RentalCal MCP server

Which servers in the official MCP registry are RentalCal's own, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-21

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Whose server it is
  • Registry namecom.rentalcal/rentalcalverified in the MCP registry

The registry name sits under rentalcal.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-21
  • Stateanswerschecked 2026-10-21
  • Tools4
  • Server calls itselfrentalcal
  • Server version1.1.0
  • Protocol version2025-06-18

On 2026-10-21 the server answered initialize and tools/list without a sign-in. First answer in 270 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: Sync Airbnb, VRBO and Booking.com calendars to avoid double bookings; Add a booking widget to an existing website; Accept direct payments through your own Stripe account.
  • Checked on 4 of the 7 days it takes to judge reliability.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 4, the first on 2026-10-21
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • What an agent can do with it0 of 3 use cases
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer718 ms
  • Space in an agent's context≈ 849 tokensthe definitions of all its tools (4), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results0 of 4 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • cannot · Sync Airbnb, VRBO and Booking.com calendars to avoid double bookings
  • cannot · Add a booking widget to an existing website
  • cannot · Accept direct payments through your own Stripe account

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (30%), doing the product's job (25%), definitions (20%), context (10%) and use (15%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers4 tools · read 2026-10-21
  • find_property

    Look up a vacation rental by its RentalCal booking site, or by the page on the host's own website where their RentalCal booking widget is installed. Accepts a site address such as beach-house.rentalcal.com, a full URL, the bare site name…

  • get_property

    The full listing for a property id: description, location, check-in and check-out times, capacity, pets, amenities, house rules, photos, nightly pricing and fees, cancellation policy, payment schedule, damage deposit, and the host's FAQ…

  • check_availability

    Booked nights and the open date ranges a stay can actually be booked in, with minimum-stay rules applied. bookableUntil is the first night the host's booking window has not opened yet (null for no limit); nights after it are not open…

  • get_quote

    The exact price of a stay: nightly rates, discounts, cleaning and other fees, taxes and total, in integer cents, plus any refundable damage deposit the host requires and whether it is held at booking. Returns a bookingUrl that opens the…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "rentalcal": {
      "type": "http",
      "url": "https://api.rentalcal.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http rentalcal https://api.rentalcal.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://api.rentalcal.com/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.