Koskamo

ATAbooking MCP

An MCP server that allows AI agents to search for hotel stays, check real-time availability, and book directly with hotels for a 5% fee. It provides tools to find stays by criteria, retrieve details, and confirm bookings via email codes.

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.

ATAbooking MCP logo, by ATAbookingVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-01Operated by ATAbooking
MCP endpoint (Streamable HTTP)
https://atabooking.com/mcp
Vendor documentation

What its tools do

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

Can change data (2)

5 of 5 have a description · 5 of 5 declare behavior hints · 2 of 5 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 atabooking.com ·
  • Passed Endpoint is on the registry namespace domain ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search for hotel stays by location, dates, and budget
  • Check real-time room availability at specific hotels
  • Book a hotel room directly with the property
  • Confirm a held booking using an emailed code

Source and maintenance

Vendor evidenceRegistry 0.1.0

Protocol and capabilities

Server
atabooking 0.1.0
MCP protocol negotiated in check
2025-06-18
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.

ATAbooking lets an AI agent find a hotel and book it direct with the hotel at a flat 5% fee, instead of the typical 15-20% OTA commission. Flow: search_stays -> get_stay -> check_availability -> book_direct (a 15-minute hold, emailed to the guest) -> confirm_booking with the code the guest reads out. Always re-check availability right before booking, and confirm guest details with the user before calling book_direct. Hotels marked demo: true are ATAbooking's fictional demo inventory: booking one reserves nothing, sends no email and takes no payment.

Tools

5 advertised

search_stays — Search stays
Advertised by the server during the last successful anonymous check.
Advertised read-only

Find hotels with a room free for the dates and guests. Returns each stay's cheapest fitting room with a quote (price, ATA fee 5%, typical 15-20% OTA cut). Demo hotels are marked demo: true. Results come in pages: when more_results is true, call search_stays again with the same arguments plus cursor: next_cursor to get the rest. Nothing is left out.

search_stays input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "place",
    "check_in",
    "check_out",
    "guests"
  ],
  "properties": {
    "place": {
      "type": "string",
      "maxLength": 120,
      "minLength": 1,
      "description": "City, area, country or hotel name, e.g. 'Bangkok' or 'Gamla Stan'"
    },
    "wants": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 80,
        "minLength": 1
      },
      "maxItems": 20,
      "description": "Nice-to-haves, e.g. ['pool','beach','quiet']; ranks matches first"
    },
    "cursor": {
      "type": "string",
      "maxLength": 400,
      "minLength": 1,
      "description": "next_cursor from the previous page of this same search, to get the next page"
    },
    "guests": {
      "type": "integer",
      "maximum": 10,
      "minimum": 1,
      "description": "Number of guests in one room"
    },
    "check_in": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Arrival date, YYYY-MM-DD"
    },
    "check_out": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Departure date, YYYY-MM-DD"
    },
    "max_price_per_night": {
      "type": "number",
      "maximum": 1000000,
      "description": "Budget per night in the hotel's currency (EUR in the demo)",
      "exclusiveMinimum": 0
    }
  },
  "additionalProperties": false
}
search_stays annotations
{
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}
get_stay — Get stay details
Advertised by the server during the last successful anonymous check.
Advertised read-only

Rooms, prices, what's included, check-in/out times and cancellation terms for one stay. Demo hotels are marked demo: true.

get_stay input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "stay_id"
  ],
  "properties": {
    "guests": {
      "type": "integer",
      "maximum": 10,
      "minimum": 1
    },
    "stay_id": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9_-]+$",
      "maxLength": 100,
      "minLength": 1,
      "description": "stay_id from search_stays"
    },
    "check_in": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Optional: with check_out, adds availability and a quote per room"
    },
    "check_out": {
      "$ref": "#/properties/check_in"
    }
  },
  "additionalProperties": false
}
get_stay annotations
{
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}
check_availability — Check availability
Advertised by the server during the last successful anonymous check.
Advertised read-only

Re-check one room for exact dates and guests right before booking. Returns available yes/no and the live quote. Demo hotels are marked demo: true.

check_availability input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "stay_id",
    "room_id",
    "check_in",
    "check_out",
    "guests"
  ],
  "properties": {
    "guests": {
      "type": "integer",
      "maximum": 10,
      "minimum": 1
    },
    "room_id": {
      "$ref": "#/properties/stay_id"
    },
    "stay_id": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9_-]+$",
      "maxLength": 100,
      "minLength": 1
    },
    "check_in": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "check_out": {
      "$ref": "#/properties/check_in"
    }
  },
  "additionalProperties": false
}
check_availability annotations
{
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}
book_direct — Book direct with the hotel
Advertised by the server during the last successful anonymous check.
Open-world

Places a 15-minute HOLD on the room and emails the guest a 6-digit code. Nothing is booked and nothing reaches the hotel until the guest confirms. After calling, tell the guest: check your email (the result shows the masked address), then either read the code back to you (call confirm_booking) or click Confirm in the email. Send an idempotency_key and reuse it if you retry. Confirm name, email, dates and price with the guest before calling. Demo hotels (demo: true) confirm at once and send no email.

book_direct input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "stay_id",
    "room_id",
    "check_in",
    "check_out",
    "guests",
    "guest_name",
    "guest_email"
  ],
  "properties": {
    "agent": {
      "type": "string",
      "maxLength": 120,
      "description": "Name of the AI agent/app placing the request"
    },
    "notes": {
      "type": "string",
      "maxLength": 1000,
      "description": "Requests for the hotel, e.g. late arrival"
    },
    "guests": {
      "type": "integer",
      "maximum": 10,
      "minimum": 1
    },
    "room_id": {
      "$ref": "#/properties/stay_id"
    },
    "stay_id": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9_-]+$",
      "maxLength": 100,
      "minLength": 1
    },
    "check_in": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "check_out": {
      "$ref": "#/properties/check_in"
    },
    "guest_name": {
      "type": "string",
      "maxLength": 120,
      "minLength": 2
    },
    "guest_email": {
      "type": "string",
      "format": "email",
      "maxLength": 254
    },
    "guest_phone": {
      "type": "string",
      "maxLength": 40
    },
    "idempotency_key": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]+$",
      "maxLength": 128,
      "minLength": 8,
      "description": "One per booking attempt (8-128 of A-Z a-z 0-9 _ -). Reuse it on retries to get the same hold back."
    }
  },
  "additionalProperties": false
}
book_direct annotations
{
  "readOnlyHint": false,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}
confirm_booking — Confirm a held booking
Advertised by the server during the last successful anonymous check.
Open-world

Confirm a held booking with the 6-digit code the guest received by email. Only use a code the guest gave you. Five wrong codes cancel the hold. Confirming twice returns the same booking.

confirm_booking input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "hold_id",
    "code"
  ],
  "properties": {
    "code": {
      "type": "string",
      "maxLength": 20,
      "minLength": 1,
      "description": "The 6-digit code from the guest's email"
    },
    "hold_id": {
      "type": "string",
      "maxLength": 40,
      "minLength": 1,
      "description": "hold_id from book_direct"
    }
  },
  "additionalProperties": false
}
confirm_booking annotations
{
  "readOnlyHint": false,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": 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 (8 of 8 answered).

  1. 2026-11-02: 4 of 4 checks answered
  2. 2026-11-03: 4 of 4 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
687 ms
95th percentile latency
687 ms

Maintenance history

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

  • · probe · passed · 687 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 atabooking-mcp https://atabooking.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 atabooking-mcp --url https://atabooking.com/mcp

Cursor

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

Cline

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

VS Code

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

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "atabooking-mcp": {
      "url": "https://atabooking.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": {
    "atabooking-mcp": {
      "serverUrl": "https://atabooking.com/mcp"
    }
  }
}

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