croissant-mcp-server

Croissant MCP Server 🥐

The official Model Context Protocol server for Croissant. Give your AI assistant the ability to search, book, and manage coworking spaces and conference rooms across 100+ cities worldwide.

About

Croissant is a coworking and conference room marketplace operating in 100+ cities. One membership gives you access to hundreds of workspaces — book a desk for the day or a conference room for your next meeting.

With this MCP server, your AI assistant can:

• Find a workspace — Search by city, neighborhood, or coordinates across New York, London, Berlin, Barcelona, and more
• Book a conference room — Check availability, get pricing, and book a room in a single conversation
• Check in & out — Reserve a seat, check in when you arrive, and add guests
• Manage your bookings — View upcoming reservations, cancel bookings, and get refunds

Getting Started

Claude Desktop

Add to your MCP configuration (Settings → Developer → Edit Config):

{
  "mcpServers": {
    "croissant": {
      "command": "npx",
      "args": ["croissant-mcp-server"]
    }
  }
}

Claude Code

claude mcp add croissant -- npx croissant-mcp-server

Other MCP Clients

Connect via SSE transport at https://mcp.getcroissant.com/sse.

Example Conversations

You: Find me a conference room in Soho for 6 people tomorrow afternoon

AI: searches rooms → checks availability → shows options with pricing

You: Book the WeWork boardroom from 2–4pm

AI: calculates price → places the order → confirms booking

You: I'm at the coworking space, check me in and add my colleague Sarah

AI: checks you in → adds Sarah as a guest

Tools

Discovery (no account required)

Tool	Description
croissant_regions	List all cities where Croissant operates
croissant_search_spaces	Find coworking spaces in a city
croissant_search_rooms	Find conference rooms in a city
croissant_space_rooms	List conference rooms at a specific space
croissant_nearby_spaces	Find spaces near coordinates
croissant_nearby_rooms	Find rooms near coordinates
croissant_find_spaces	Search spaces by name or location
croissant_find_rooms	Search rooms by name or location
croissant_space_details	Space details and seat availability
croissant_room_details	Room details and time slot availability

Conference Room Booking

Tool	Description
croissant_room_price	Calculate the price for a room booking
croissant_book_room	Book a conference room
croissant_my_bookings	List upcoming bookings
croissant_cancel_booking	Cancel a booking and get a refund

Coworking Check-in

Tool	Description
croissant_my_reservations	List active and upcoming seat reservations
croissant_reserve_seat	Reserve a seat at a specific time
croissant_cancel_reservation	Cancel a seat reservation
croissant_visit_status	Check if you're currently checked in
croissant_check_in	Check in to a space
croissant_check_out	Check out of a space
croissant_add_guest	Add a guest to your visit
croissant_checkout_guest	Check out a guest

Account

Tool	Description
croissant_login	Connect your Croissant account
croissant_logout	Disconnect your account
croissant_me	View your profile

Authentication

Browsing and searching works without an account — try it out right away. When you're ready to book a room or check in, use croissant_login to securely connect your Croissant account via OAuth.

API Endpoints

Endpoint	Description
GET /tools	Browse the full tool catalog as JSON
GET /health	Health check
GET /sse	MCP SSE transport
POST /messages	MCP message transport

Links

• getcroissant.com
• npm package
• Model Context Protocol