OpenArchitect

Ask an agent to

• Draw a two-bedroom floor plan with an open kitchen
• Add a window to the living room and move the sofa
• Export the finished floor plan as a PDF

28 tools

• add_furniture

  Add a labeled furniture block inside a room. x/y are relative to the room origin, not the plot.

  id: string?, roomId: string, name: string, kind: string, x: number, y: number, width: number, height: number, … (list cut; the site may define more)

• add_opening

  Add a door or window on a room edge. offset is meters from the start of that edge (west end for north/south, north end for east/west).

  id: string?, kind: string, roomId: string, edge: string, offset: number, width: number

• add_room

  Add a single axis-aligned room rectangle. Coordinates are meters from the plot origin (top-left).

  id: string?, name: string, type: string, x: number, y: number, width: number, height: number

• apply_layout

  Replace rooms, openings, furniture, and the frontage street in one shot. Prefer this for the first draft. Include an entrance porch, a stairs area, and street.edge on the same side as the main door unless the user…

  plot: object?, street?, rooms: array, openings: array?, furniture: array?

• ask_userread-only

  Ask the human one to six structured follow-up questions before drawing. Opens a modal on the OpenArchitect page and WAITS until they click Send answers. The questions are also in this tool's arguments for ChatGPT to…

  questions: array

• export_pdf

  Download the current floor plan as a PDF in the user's browser. Optional filename (extension added automatically).

  filename: string?

• export_png

  Download the current floor plan as a PNG image in the user's browser. Optional filename (extension added automatically).

  filename: string?

• export_project

  Download the current brief + floor plan as an OpenArchitect JSON project file the user can re-import later. Optional filename.

  filename: string?

• generate_3d

  Build an interactive 3D dollhouse from the current floor plan (extruded rooms, walls, doors, windows, furniture). Opens the 3D viewer so the user can orbit it and download a GLB. Optional filename for the GLB. Call…

  filename: string?

• get_briefread-only

  Read the current project brief: description, plot size, bedroom/bathroom counts, notes, and answers already collected.

• get_design_rulesread-only

  Return the house-making standards this studio enforces: NBC-aligned room sizes, doors, windows, and adjacency rules for living, dining, bedrooms, kitchen, bathrooms, and hallways.

• get_floor_planread-only

  Return the full floor plan JSON plus validation issues (overlaps, NBC size minima, missing exterior windows, awkward adjacencies).

• get_standards_checkread-only

  Return only the current standards-check issues (errors and warnings): room size minima, overlaps, openings, adjacency, missing porch/stairs/street, etc. Prefer this over get_floor_plan when you only need to know what…

• import_project

  Replace the canvas with a project JSON payload (plan required; brief optional). Accepts OpenArchitect exports or a bare plan object.

  version: number?, kind: string?, brief: object?, plan: object

• move_furniture

  Move furniture inside its room. x/y are meters from the room's top-left, not the plot.

  id: string, x: number, y: number

• move_opening

  Slide a door or window along its wall, or onto another wall of the same room. offset is meters from the start of that edge (west for N/S, north for E/W).

  id: string, offset: number, edge: string?

• remove_furniture

  Remove a furniture item by id.

  id: string

• remove_opening

  Remove a door or window by id.

  id: string

• remove_room

  Remove a room and any openings or furniture attached to it.

  id: string

• replace_furniture

  Swap an existing furniture piece for a catalog object (bed, sofa, table, desk, wardrobe, counter, stove, sink, fridge, toilet, chair). Keeps the same id and recenters in place.

  id: string, kind: string

• replace_opening

  Change an existing opening between door and window without moving it.

  id: string, kind: string

• resize_furniture

  Change a furniture block's width and height in meters.

  id: string, width: number, height: number

• resize_opening

  Change a door or window width in meters along the wall.

  id: string, width: number

• resize_wall

  Move one wall of a room. Neighbors that share that wall move with it. Prefer this over update_room when stretching a room against another. Provide position (plot meters) or delta (positive = east/south).

  roomId: string, edge: string, position: number?, delta: number?

• set_display_layers

  Toggle canvas display layers: roomColors (fill colors), doors (door openings), and objects (furniture/fixtures). Pass only the layers you want to change. Does not modify the floor plan data.

  roomColors: boolean?, doors: boolean?, objects: boolean?

• set_plot

  Set the overall rectangular plot size in meters. Origin is the top-left (northwest) corner. x increases east, y increases south.

  width: number, height: number

• update_brief

  Patch the project brief. Use this to store requirements from the conversation. If plotWidthM and plotHeightM are set, the canvas plot is resized to match.

  description: string?, plotWidthM: number?, plotHeightM: number?, bedroomCount: integer?, bathroomCount: integer?, notes: array?, answers: object?

• update_room

  Move or resize one room by id. Does not push shared walls into neighbors — use resize_wall for that.

  id: string, name: string?, type: string?, x: number?, y: number?, width: number?, height: number?