AI Architectures

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Search ~500 free house plans and have AI-drafted CAD floor plans (DXF, DWG, PDF) drawn and changed.

Design & Creative

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https://mcp.ai-architectures.com/mcp

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Tool list from our last check. Connect live to refresh it.

change_cad_drawing

Use this when the user asks to change one of their CAD drawings in words ("make the kitchen 4.2 m wide", "move the garage to the left", "add a window to bedroom 2"). The drafter makes the change as a new version (earlier versions stay in the studio). Spends credits from the user's AI Architectures account (usually 60 to 600 per change). Then call get_cad_drawing.

changestring, required

What should change, in the user's words.

drawing_idstring, required

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Tools (11)

change_cad_drawing

Argument	Type	Description
change*	string	What should change, in the user's words.
drawing_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "drawing_id",
    "change"
  ],
  "properties": {
    "change": {
      "type": "string",
      "maxLength": 4000,
      "minLength": 3,
      "description": "What should change, in the user's words."
    },
    "drawing_id": {
      "type": "string",
      "pattern": "^[a-z0-9]{6,32}$"
    }
  },
  "additionalProperties": false
}

get_cad_drawing

Use this to check a drawing started with start_cad_drawing (or one of list_my_cad_drawings): status, what the drafter says, room names, a preview image, the studio link and, when the account allows, DXF, DWG and PDF download links (valid for 10 minutes; call again for fresh ones). While it is still drawing this waits up to wait_seconds for it to finish.

read-only

Argument	Type	Description
drawing_id*	string	The id from start_cad_drawing or list_my_cad_drawings.
wait_seconds	integer	How long to wait for a running drawing to finish before answering.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "drawing_id"
  ],
  "properties": {
    "drawing_id": {
      "type": "string",
      "pattern": "^[a-z0-9]{6,32}$",
      "description": "The id from start_cad_drawing or list_my_cad_drawings."
    },
    "wait_seconds": {
      "type": "integer",
      "default": 20,
      "maximum": 45,
      "minimum": 0,
      "description": "How long to wait for a running drawing to finish before answering."
    }
  },
  "additionalProperties": false
}

get_credit_balance

Use this when the user asks how many AI Architectures credits their account has left before starting or changing a drawing.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {},
  "additionalProperties": false
}

get_design_tool_link

Use this when the user wants something AI Architectures does on its website from a photo or image: a remodel preview on a photo of their own home, a photoreal render from a sketch or model view, a render from a description, virtual staging, a listing photo kit, a clean floor plan image from a sketch or scan, a CAD drawing from a sketch, or before/after examples. Returns the page that does it; the user uploads the photo there.

read-only

Argument	Type	Description
task*	string	What the user wants to do.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "task"
  ],
  "properties": {
    "task": {
      "enum": [
        "remodel_preview",
        "architecture_render",
        "render_from_description",
        "virtual_staging",
        "listing_kit",
        "floor_plan_image_from_sketch",
        "cad_from_sketch",
        "examples_gallery"
      ],
      "type": "string",
      "description": "What the user wants to do."
    }
  },
  "additionalProperties": false
}

get_house_plan

Use this to show one house plan from search_house_plans in detail: description, every floor plan image and all free download links (PDF plan set, DXF per level, IFC, GLB).

read-only

Argument	Type	Description
slug*	string	The plan slug from search_house_plans.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "slug"
  ],
  "properties": {
    "slug": {
      "type": "string",
      "maxLength": 120,
      "description": "The plan slug from search_house_plans."
    }
  },
  "additionalProperties": false
}

get_profile

Return the AI Architectures account behind this connection. The opaque id is the account id, unique and unchanged across token refresh, reconnection and changes to the email or name.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {},
  "additionalProperties": false
}

list_my_cad_drawings

Use this when the user asks about their own drawings in the Plan Chat CAD studio. Lists them newest first with id, title, number of versions and whether one is being drawn now.

read-only

Argument	Type	Description
limit	integer

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "limit": {
      "type": "integer",
      "default": 10,
      "maximum": 30,
      "minimum": 1
    }
  },
  "additionalProperties": false
}

prepare_cad_drawing_link

Use this when the user wants a floor plan drawn as CAD (DXF/DWG) but is not signed in to an AI Architectures account here, or prefers to continue on the website, or wants to attach a sketch there. Returns a link that opens the Plan Chat CAD studio with the request already typed in; nothing is drawn or charged until the user presses send on the site.

read-only

Argument	Type	Description
brief*	string	The building in the user's words: type, rooms, sizes, storeys, plot. Any language.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "brief"
  ],
  "properties": {
    "brief": {
      "type": "string",
      "maxLength": 2000,
      "minLength": 3,
      "description": "The building in the user's words: type, rooms, sizes, storeys, plot. Any language."
    }
  },
  "additionalProperties": false
}

search_house_plans

Use this when the user wants ready-made house plans, floor plan ideas or downloadable plans (for example "3 bedroom ranch under 2,000 sq ft", "small ADU", "barndominium"). Searches a library of about 500 free house plans by AI Architectures, each with a floor plan image, room sizes and free PDF, DXF, IFC and GLB downloads. Returns plan cards with links to the plan page and to change the plan in the CAD studio. Filters are optional; leave out what the user did not ask for.

read-only

Argument	Type	Description
limit	integer
query	string	Style or type words, e.g. "modern farmhouse", "ranch", "ADU", "barndominium", "narrow lot", "30x40".
garage	boolean	true = only plans with a garage, false = only without.
stories	integer	Number of storeys.
bedrooms	integer	Exact number of bedrooms (0 = studio).
max_sqft	integer	Largest living area in square feet.
min_sqft	integer	Smallest living area in square feet (1 m² = 10.76 sq ft).
bathrooms	number

show_community_cad_drawings

Use this when the user wants to see what the AI drafter draws, or examples of AI-made CAD floor plans. Lists published drawings from the Plan Chat CAD studio (real, unretouched output), each with a preview, the brief it was drawn from, a free DXF download and a link to draw a similar one.

read-only

Argument	Type	Description
limit	integer
query	string	Optional words to filter by, e.g. "townhouse", "office", "3 bedrooms".

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "limit": {
      "type": "integer",
      "default": 6,
      "maximum": 12,
      "minimum": 1
    },
    "query": {
      "type": "string",
      "maxLength": 200,
      "description": "Optional words to filter by, e.g. \"townhouse\", \"office\", \"3 bedrooms\"."
    }
  },
  "additionalProperties": false
}

start_cad_drawing

Use this when the user asks to draw or design a floor plan as a real CAD drawing and wants it made now. The AI drafter of the Plan Chat CAD studio draws a layered, dimensioned plan (walls, doors, windows, furniture, dimensions, room names and areas) from the description and, if attached, a sketch or photo of a plan. Needs the user's AI Architectures account and spends credits from it (usually 700 to 1,800 credits per drawing; get_credit_balance shows the balance). Drawing takes 1 to 5 minutes; then call get_cad_drawing with the returned drawing_id. Confirm the brief with the user before starting.

Argument	Type	Description
brief*	string	The building: type, rooms with sizes if known, storeys, overall size or plot, style. Any language. With a sketch, say what it shows.
units	string	m = metres and m², ft = feet-inches and sq ft. Use ft for US users.
sketch	object	A sketch, photo or screenshot of a floor plan the user attached in the chat.
sketch_url	string	Optional https URL of a sketch, photo or screenshot of a floor plan (JPG, PNG, WebP, HEIC; up to 15 MB), if no file was attached.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "brief"
  ],
  "properties": {
    "brief": {
      "type": "string",
      "maxLength": 4000,
      "minLength": 3,
      "description": "The building: type, rooms with sizes if known, storeys, overall size or plot, style. Any language. With a sketch, say what it shows."
    },
    "units": {
      "enum": [
        "m",
        "ft"
      ],
      "type": "string",
      "default": "m",
      "description": "m = metres and m², ft = feet-inches and sq ft. Use ft for US users."
    },
    "sketch": {
      "type": "object",
      "required": [
        "download_url",
        "file_id"
      ],
      "properties": {
        "file_id": {
          "type": "string"
        },
        "file_name": {
          "type": "string"
        },
        "mime_type": {
          "type": "string"
        },
        "download_url": {
          "type": "string"
        }
      },
      "description": "A sketch, photo or screenshot of a floor plan the user attached in the chat.",
      "additionalProperties": false
    },
    "sketch_url": {
      "type": "string",
      "maxLength": 2000,
      "description": "Optional https URL of a sketch, photo or screenshot of a floor plan (JPG, PNG, WebP, HEIC; up to 15 MB), if no file was attached."
    }
  },
  "additionalProperties": false
}