WebMCP Home Design

Ask an agent to

• Start a two-floor house from a template
• Add a bedroom next to the living room and place a bed
• Check whether the current layout breaks any constraints

21 tools

• add_opening

  Cut a door, window or archway into a wall.

  wallId: string, kind: string, offsetIn: number, widthIn: number, swing: string?

• add_room

  Add a room, optionally attached to an existing one so they share a wall.

  name: string, type: string, widthIn: number, depthIn: number, attachTo: object?

• apply_edits

  Run several edits in one call -- furnish a whole room in a single round trip.

  edits: array

• compute_areasread-only

  Area per room, the total conditioned area, and each room's margin above its minimum.

  roomIds: array?

• get_cameraread-only

  Where the camera is and what it is looking at, in plain language.

• get_layoutread-only

  Read the current floorplan. Defaults to a compact summary of rooms, areas and adjacency.

  detail: string?

• get_selectionread-only

  Read what the human currently has selected in the 3D scene.

• list_templatesread-only

  The starting templates a design can begin from, with which one is loaded now.

• move_furniture

  Move or turn a piece already in the plan; dropping it in another room re-homes it.

  furnitureId: string, position: object?, rotation: number?

• move_wall

  Move a wall perpendicular to itself, resizing every room that shares it.

  wallId: string, distanceIn: number, direction: string

• place_furniture

  Place a catalog item in a room; omit position to auto-place against a wall.

  roomId: string, catalogId: string, footprint: object, position: object?, rotation: number?, clearanceFrontIn: number?, color: string?

• propose_variants

  Offer 2-3 alternative layouts as ghosted overlays for the human to choose between.

  goal: string, variants: array

• remove_element

  Remove a wall, room, opening or furniture item, cascading to what depends on it.

  elementId: string

• resize_furniture

  Change a placed piece's footprint where it stands; position and rotation stay put.

  furnitureId: string, widthIn: number?, depthIn: number?

• resize_room

  Set a room's width and/or depth. Convenience wrapper over move_wall.

  roomId: string, widthIn: number?, depthIn: number?

• set_active_floor

  Switch which floor of a multi-floor design is being edited, for every tool and the human alike.

  floor: integer

• set_camera

  Move the camera. firstPerson with a target room walks the human through that space.

  mode: string, targetRoomId: string?, description: string?

• start_from_template

  Start a design from a template. With floorCount, the first call sizes the house and each call fills the next floor.

  templateId: string, floorCount: integer?

• undo

  Step the plan back through the edit history.

  steps: integer?

• update_opening

  Change a door, window or archway in place: widen it, convert it, or flip its swing.

  openingId: string, widthIn: number?, kind: string?, swing: string?

• validate_layoutread-only

  Check the plan against the simplified residential constraints and explain what breaks.