BROWSER USE - Browser Use Agents: give Browser Use a task and receive completed work. API V4 is current for new integrations. - Browser Infrastructure: connect your agent or automation to managed browsers through SDK, REST, or CDP. Starts at $0.02/browser-hour. - Developer tools: Open Source, Browser Harness, SDK, and MCP support the two products above. [Developer Index](https://browser-use.com/index.md) [Product Map](https://browser-use.com/llms.txt) [Full Product Context](https://browser-use.com/llms-full.txt) [Pricing](https://browser-use.com/pricing.md) [Cloud Docs](https://docs.browser-use.com/cloud/quickstart) [Open Source Docs](https://docs.browser-use.com/open-source/introduction) --- # Alza: 31 WebMCP tools for AI agents ![](https://www.google.com/s2/favicons?domain=alza-dev.pages.dev&sz=96) Other · alza-dev.pages.dev ## Alza 2D floor plan editor that builds 3D. Agents can draw walls, doors, windows and rooms, place furniture and check the plan. [Open alza-dev.pages.dev](https://alza-dev.pages.dev/) ## Ask an agent to - Draw a 4 x 5 m bedroom with a door and a window - Place a sofa and a dining table in the living room - Check my plan for wall errors, then build it in 3D ## 31 tools - `add_door` Add a door on a wall. t is the position of the door CENTER along the wall (0..1). Default width 0.9 m, height 2.1 m; a door wider than 1.2 m is built as a double door with two leaves. The vano is clamped so it always… wallId: string, t: number, width: number?, height: number?, hinge: string?, side: string? - `add_room` Add a room: a metric rectangle (x, y = top-left corner, w, h in meters) with a label and floor finish (oak | tile | carpet | concrete). x: number, y: number, w: number, h: number, label: string, floor: string? - `add_wall` Add a wall segment from (ax,ay) to (bx,by) in meters. Coordinates snap to a 5 cm grid. Default thickness 0.15 m (use 0.1 for interior), height 2.7 m. ax: number, ay: number, bx: number, by: number, thickness: number?, height: number? - `add_window` Add a window on a wall. t is the position of the window CENTER along the wall (0..1). Default width 1.2 m, sill 0.9 m, height 1.2 m. The vano is clamped to fit. wallId: string, t: number, width: number?, sill: number?, height: number? - `build_3d` Raise the plan into 3D: extrudes walls with real openings, resolves corner joints, builds furniture, and switches the human's view to the 3D scene. Call after drawing so the user sees the result. - `calibrate_underlay` Scale the loaded blueprint image to real-world meters. Give two points on the image as fractions (u, v in 0..1; u = right, v = down) and the REAL distance between them in meters (e.g. a dimension printed on the plan).… u1: number, v1: number, u2: number, v2: number, meters: number, opacity: number? - `clear_model` Clear the whole plan (walls, openings, rooms, furniture, notes). Use when the user asks to start over. - `define_item_kind` Create a piece of furniture that is NOT in the catalogue, then place it with place\_item. Use this whenever the plan draws something the catalogue does not have, or draws it at a different size — a corner bath, an… kind: string, label: string, w: number, d: number, h: number, color: string?, category: string?, parts: array? - `edit_wall` Move endpoints or change thickness/height of an existing wall (by id). Endpoints snap to 5 cm. id: string, ax: number?, ay: number?, bx: number?, by: number?, thickness: number?, height: number? - `get_editor_state`read-only Read what the human is doing right now: 2D/3D view, camera mode, selected wall/item/room, current draw mode. - `get_issues`read-only Run the constraint checker over the plan. Detects: too-short walls, loose ends, collinear overlaps, mid-span crossings, openings overflowing their wall or overlapping each other, walls ending inside an opening… - `get_item_catalog`read-only List the furniture catalog: kind, label, footprint (width × depth in meters) and height. - `get_model`read-only Read the full floor plan: walls (endpoints, thickness, height), openings (doors/windows with position along their wall), rooms (metric rects with labels), furniture, and plan name. All units are meters. - `get_notes`read-only Read all notes left on the plan by the human and by agents. - `get_supplier_catalog`read-onlyuntrusted content Read the furniture catalogue published by the PARTNER ORIGIN (Nordika) as its own WebMCP tools — sku, name, category, real footprint in metres, price and stock. Alza discovers those tools with getTools({fromOrigins})… category: string?, maxPrice: number?, maxWidth: number?, inStock: boolean? - `get_underlay`read-only Read the blueprint underlay: whether a reference plan image is loaded, the world rectangle it covers (metres), the mapping from image fractions to world coordinates — and the PROTOCOL for tracing it. Call this FIRST… - `leave_note` Leave a note on the plan for the human (or read theirs): design rationale, questions, measurements to verify. Notes are visible in the Notes panel. text: string - `measure`read-only Measure a distance: between two points (x1,y1)-(x2,y2), or the length of a wall by id. Returns meters. x1: number?, y1: number?, x2: number?, y2: number?, wallId: string? - `move_item` Move or rotate a furniture item by id or kind (e.g. "sofa"). Same rotation convention as place\_item: 0 faces +y, 90 faces +x, 180 faces -y, 270 faces -x. id: string, x: number?, y: number?, rotation: number? - `move_opening` Move a door or window along its wall to a new center position t (0..1). Clamped to fit. id: string, t: number - `place_item` Place furniture from the catalog at (x, y) = center in meters. rotation (degrees, counterclockwise) sets which way the piece FACES: 0 = faces +y (down/south on the plan), 90 = faces +x (right/east), 180 = faces -y… kind: string, x: number, y: number, rotation: number? - `place_supplier_product` Buy-in-place: fetch one product from the partner origin by sku, add it to this plan's catalogue at the supplier's REAL dimensions, and place it at (x, y) = centre in metres with the usual rotation convention. The… sku: string, x: number, y: number, rotation: number? - `remove_item` Remove a furniture item by id or kind. id: string - `remove_opening` Remove a door or window by id. id: string - `remove_room` Remove a room by id or label. id: string - `remove_wall` Remove a wall by id. Its doors and windows are removed too. id: string - `set_camera` Move the 3D camera: "orbit" (default 3/4 view), "top" (plan view from above), "walk" (first-person at 1.6 m — the user walks with WASD). Implies switching to 3D. mode: string - `set_door_swing` Change how an existing door opens: hinge ("a" | "b" — which jamb carries the hinges) and/or side ("left" | "right" — which way the leaf swings, walking the wall from its A endpoint to its B endpoint). Re-run build\_3d… id: string, hinge: string?, side: string? - `set_doors` Swing the door leaves in the 3D scene open or shut (build\_3d must have run). state: "open", "closed" or "toggle". Pass an opening id to act on one door, or omit it to act on every door in the plan. The human can do… state: string, id: string? - `set_plan_name` Rename the plan. name: string - `update_room` Update a room by id or label (e.g. "bedroom"): move, resize, relabel, or change floor finish. id: string, x: number?, y: number?, w: number?, h: number?, label: string?, floor: string? Tools 31 Registered with JavaScript Re-checked Oct 24, 2026 Tool names and descriptions are what alza-dev.pages.dev/ registered when we loaded it in Chrome 154 on Browser Use Cloud. The summary and the “ask an agent” lines are AI-written from them. To call the tools yourself, see [Chrome’s WebMCP docs](https://developer.chrome.com/docs/ai/webmcp). 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