Koskamo

Sunset Spa MCP

An official Model Context Protocol server for Sunset Spa Sint Maarten that allows AI agents to retrieve spa information, list available services, check real-time therapist availability, and initiate booking requests for treatments and packages.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Sunset Spa MCP logo, by Sunset SpaVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-07Operated by Sunset Spa
MCP endpoint (Streamable HTTP)
https://sxmspa.com/mcp
Vendor documentation

What its tools do

5 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (4)

Can change data (1)

5 of 5 have a description · 5 of 5 declare behavior hints · 1 of 4 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to sxmspa.com ·
  • Passed Endpoint is on the registry namespace domain ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Retrieve spa contact details, hours, and facilities
  • List all bookable treatments and their prices
  • Check real-time availability for specific services
  • Initiate a booking request for a spa appointment

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: com.sxmspa/sunset-spa@1.0.0Project website

Protocol and capabilities

Server
sunset-spa 1.0.0
MCP protocol negotiated in check
2025-11-25
Tools
5 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": true
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

Sunset Spa is a day spa inside Simpson Bay Resort, Pelican Key, Sint Maarten (Dutch side of St Martin). Open Monday–Saturday 9:00 AM – 8:00 PM and Sunday 9:00 AM – 4:00 PM, time zone America/Lower_Princes (UTC−4); the last online booking on a Sunday starts at 4:00 PM. Prices are in US dollars before a 12% service charge. The infrared sauna, steam room (hammam) and jacuzzi are a paid extra ($70 for 2 hours), not included with single treatments; only the Sunrise, Day Spa Special, Sunset Essential, Sunset Retreat and VIP packages come with 2 hours of them. Use list_services for ids and prices, check_availability for free times, then request_booking. A booking is a request until the guest pays by card on the pay_url it returns: always show the guest that link. If it is not paid within 30 minutes, the time may be given to someone else. You cannot take payment, cancel or change bookings; for that the guest calls +1 721 544 0646 or WhatsApps +1 721 586 9112. Free cancellation with 24 hours' notice.

Tools

5 advertised

get_spa_info — Spa information
Advertised by the server during the last successful anonymous check.
Advertised read-only

Address, phone, WhatsApp, opening hours, time zone, service charge, cancellation policy, parking, rating, and what the sauna, steam room and jacuzzi cost.

get_spa_info input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}
get_spa_info output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "name",
    "opening_hours",
    "time_zone",
    "phone",
    "whatsapp"
  ],
  "properties": {
    "name": {
      "type": "string"
    },
    "phone": {
      "type": "string"
    },
    "prices": {},
    "whatsapp": {
      "type": "string"
    },
    "time_zone": {
      "type": "string"
    },
    "facilities": {},
    "opening_hours": {
      "type": "array"
    }
  },
  "additionalProperties": true
}
get_spa_info annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
list_services — List treatments and prices
Advertised by the server during the last successful anonymous check.
Advertised read-only

Every bookable treatment with its id (needed for check_availability and request_booking), category, minutes, price in USD before the service charge, and whether it is for couples. Add-ons are listed too but are not booked on their own.

list_services input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "category": {
      "enum": [
        "massage",
        "couples",
        "facial",
        "nails",
        "waxing",
        "package",
        "body",
        "facility",
        "other",
        "add-on"
      ],
      "type": "string",
      "description": "Only this category"
    },
    "for_couples": {
      "type": "boolean",
      "description": "true: only treatments for two; false: only for one"
    },
    "max_price_usd": {
      "type": "number",
      "minimum": 0,
      "description": "Only treatments at or under this price"
    }
  },
  "additionalProperties": false
}
list_services output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "currency",
    "count",
    "services"
  ],
  "properties": {
    "count": {
      "type": "number"
    },
    "currency": {
      "type": "string"
    },
    "services": {
      "type": "array"
    }
  },
  "additionalProperties": true
}
list_services annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
check_availability — Check free times
Advertised by the server during the last successful anonymous check.
Advertised read-only

Free start times for one treatment on one day, or on up to 7 days (date_from to date_to), from the spa's live booking system. Times are on Sint Maarten time (UTC−4). Bookings open up to 60 days ahead.

check_availability input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "service_id"
  ],
  "properties": {
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "YYYY-MM-DD"
    },
    "guests": {
      "type": "integer",
      "maximum": 2,
      "minimum": 1,
      "description": "1 or 2. Couples treatments are always 2."
    },
    "date_to": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "date_from": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "service_id": {
      "type": "string",
      "format": "uuid",
      "description": "An id from list_services"
    }
  },
  "additionalProperties": false
}
check_availability output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "guests",
    "time_zone",
    "days"
  ],
  "properties": {
    "days": {
      "type": "array"
    },
    "guests": {
      "type": "number"
    },
    "service": {},
    "time_zone": {
      "type": "string"
    }
  },
  "additionalProperties": true
}
check_availability annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
request_booking — Request a booking
Advertised by the server during the last successful anonymous check.

Books a treatment for the guest, the same way the spa's website does. The booking is confirmed only when the guest pays by card on the returned pay_url: show it to the guest. Ask the guest first and only call this with customer_consent true. If the time is no longer free, nothing is booked and up to 3 other free times are returned.

request_booking input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "service_id",
    "customer_name",
    "customer_consent"
  ],
  "properties": {
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "YYYY-MM-DD, Sint Maarten"
    },
    "time": {
      "type": "string",
      "pattern": "^\\d{2}:\\d{2}$",
      "description": "HH:MM, Sint Maarten (UTC−4)"
    },
    "notes": {
      "type": "string",
      "maxLength": 500,
      "description": "e.g. pressure preference, allergies, occasion"
    },
    "guests": {
      "type": "integer",
      "maximum": 2,
      "minimum": 1,
      "description": "Couples treatments are always 2"
    },
    "language": {
      "enum": [
        "en",
        "fr"
      ],
      "type": "string",
      "description": "Language of the pay page and email"
    },
    "service_id": {
      "type": "string",
      "format": "uuid",
      "description": "An id from list_services"
    },
    "start_time": {
      "type": "string",
      "description": "ISO 8601 with offset, e.g. 2026-11-20T15:00:00-04:00. Or give date and time."
    },
    "customer_name": {
      "type": "string",
      "maxLength": 80,
      "minLength": 2
    },
    "customer_email": {
      "type": "string",
      "format": "email",
      "description": "If given, the guest also gets the pay link by email"
    },
    "customer_phone": {
      "type": "string",
      "description": "E.164, e.g. +17215551234"
    },
    "idempotency_key": {
      "type": "string",
      "maxLength": 100,
      "description": "Repeating a request with the same key within 24 hours returns the same booking"
    },
    "customer_consent": {
      "type": "boolean",
      "description": "Must be true: the guest asked for this booking and agrees to be contacted about it"
    }
  },
  "additionalProperties": false
}
request_booking output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "status"
  ],
  "properties": {
    "status": {
      "type": "string"
    },
    "message": {
      "type": "string"
    },
    "pay_url": {
      "type": "string"
    },
    "service": {
      "type": "string"
    },
    "amount_usd": {
      "type": "number"
    },
    "start_time": {
      "type": "string"
    },
    "alternatives": {
      "type": "array"
    },
    "booking_reference": {
      "type": "string"
    },
    "pay_within_minutes": {
      "type": "number"
    }
  },
  "additionalProperties": true
}
request_booking annotations
{
  "readOnlyHint": false,
  "openWorldHint": false,
  "idempotentHint": false,
  "destructiveHint": false
}
get_booking_status — Booking status
Advertised by the server during the last successful anonymous check.
Advertised read-only

The state of a booking (pending_payment, confirmed, confirmed_by_spa, unpaid_time_released, cancelled, no_show) and its time. Needs the booking reference and the phone number it was made with.

get_booking_status input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "customer_phone": {
      "type": "string",
      "maxLength": 20,
      "minLength": 7
    },
    "booking_reference": {
      "type": "string",
      "maxLength": 20,
      "minLength": 1
    }
  },
  "additionalProperties": false
}
get_booking_status output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "booking_reference",
    "status"
  ],
  "properties": {
    "status": {
      "type": "string"
    },
    "service": {},
    "start_time": {},
    "booking_reference": {
      "type": "string"
    }
  },
  "additionalProperties": true
}
get_booking_status annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (1 of 1 answered).

  1. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
308 ms
95th percentile latency
308 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 308 ms · metadata changed · 5 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http sunset-spa-mcp https://sxmspa.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add sunset-spa-mcp --url https://sxmspa.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable sunset-spa-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "sunset-spa-mcp": {
      "url": "https://sxmspa.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "sunset-spa-mcp": {
      "type": "streamableHttp",
      "url": "https://sxmspa.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start sunset-spa-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "sunset-spa-mcp": {
      "type": "http",
      "url": "https://sxmspa.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http sunset-spa-mcp https://sxmspa.com/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://sxmspa.com/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "sunset-spa-mcp": {
      "serverUrl": "https://sxmspa.com/mcp"
    }
  }
}

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