Nitzan Pomerantz
537 lines
25 KiB
Python
537 lines
25 KiB
Python
#!/usr/bin/env python3
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"""
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Simple FastMCP Server for Israeli Real Estate Data
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This server provides access to Israeli government real estate data through the Govmap API
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using the FastMCP library with simplified, working functions.
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"""
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import json
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import logging
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from typing import List, Dict
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from mcp.server.fastmcp import FastMCP
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from nadlan_mcp.govmap import GovmapClient
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# Configure logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# Initialize FastMCP server
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mcp = FastMCP("nadlan-mcp")
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# Initialize the Govmap client
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client = GovmapClient()
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@mcp.tool()
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def autocomplete_address(search_text: str) -> str:
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"""Search and autocomplete Israeli addresses.
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Args:
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search_text: The partial address to search for (in Hebrew or English)
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Returns:
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JSON string containing matching addresses with their coordinates
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"""
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try:
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response = client.autocomplete_address(search_text)
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if not response or 'results' not in response:
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return f"No addresses found for '{search_text}'"
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# Format results for better readability
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formatted_results = []
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for result in response['results']:
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formatted_results.append({
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"address": result.get("addressLabel", ""),
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"settlement": result.get("settlementNameHeb", ""),
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"coordinates": result.get("coordinates", {}),
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"polygon_id": result.get("polygon_id")
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})
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return json.dumps(formatted_results, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"Error in autocomplete_address: {e}")
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return f"Error searching for address: {str(e)}"
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@mcp.tool()
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def get_deals_by_radius(latitude: float, longitude: float, radius_meters: int = 500) -> str:
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"""Get real estate deals within a radius of coordinates.
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Args:
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latitude: Latitude coordinate
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longitude: Longitude coordinate
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radius_meters: Search radius in meters (default: 500)
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Returns:
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JSON string containing recent real estate deals in the area
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"""
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try:
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# Note: GovmapClient expects (longitude, latitude) tuple
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deals = client.get_deals_by_radius((longitude, latitude), radius_meters)
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if not deals:
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return f"No deals found within {radius_meters}m of coordinates ({latitude}, {longitude})"
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return json.dumps({
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"total_deals": len(deals),
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"search_radius_meters": radius_meters,
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"center_coordinates": {"latitude": latitude, "longitude": longitude},
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"deals": deals
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}, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"Error in get_deals_by_radius: {e}")
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return f"Error fetching deals by radius: {str(e)}"
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@mcp.tool()
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def get_street_deals(polygon_id: str, limit: int = 100, deal_type: int = 2) -> str:
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"""Get real estate deals for a specific street polygon.
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Args:
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polygon_id: The polygon ID of the street/area
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limit: Maximum number of deals to return (default: 100)
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deal_type: Deal type filter (1=first hand/new, 2=second hand/used, default: 2)
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Returns:
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JSON string containing recent real estate deals for the street
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"""
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try:
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deals = client.get_street_deals(polygon_id, limit, deal_type=deal_type)
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if not deals:
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return f"No {deal_type_desc} deals found for polygon ID {polygon_id}"
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# Add price per sqm calculation for each deal
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for deal in deals:
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price = deal.get('dealAmount', 0)
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area = deal.get('assetArea', 0)
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if isinstance(price, (int, float)) and isinstance(area, (int, float)) and area > 0:
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deal['price_per_sqm'] = round(price / area, 2)
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else:
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deal['price_per_sqm'] = None
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# Add deal type info
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deal['deal_type'] = deal_type
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deal['deal_type_description'] = 'first_hand_new' if deal_type == 1 else 'second_hand_used'
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# Calculate basic statistics including price per sqm
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prices = [deal.get("dealAmount", 0) for deal in deals if deal.get("dealAmount")]
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price_per_sqm_values = [deal.get("price_per_sqm", 0) for deal in deals if deal.get("price_per_sqm")]
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stats = {}
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if price_per_sqm_values:
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stats["price_per_sqm_stats"] = {
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"average_price_per_sqm": round(sum(price_per_sqm_values) / len(price_per_sqm_values), 0),
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"min_price_per_sqm": round(min(price_per_sqm_values), 0),
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"max_price_per_sqm": round(max(price_per_sqm_values), 0)
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}
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return json.dumps({
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"total_deals": len(deals),
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"polygon_id": polygon_id,
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"deal_type": deal_type,
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"deal_type_description": deal_type_desc,
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"market_statistics": stats,
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"deals": deals
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}, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"Error in get_street_deals: {e}")
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return f"Error fetching street deals: {str(e)}"
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@mcp.tool()
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def find_recent_deals_for_address(address: str, years_back: int = 2, radius_meters: int = 30, max_deals: int = 50, deal_type: int = 2) -> str:
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"""Find recent real estate deals for a specific address.
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Args:
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address: The address to search for (in Hebrew or English)
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years_back: How many years back to search (default: 2)
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radius_meters: Search radius in meters from the address (default: 30)
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Small radius since street deals cover the entire street anyway
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max_deals: Maximum number of deals to return (default: 50, optimized for LLM token limits)
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deal_type: Deal type filter (1=first hand/new, 2=second hand/used, default: 2)
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Returns:
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JSON string containing recent real estate deals for the address
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"""
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try:
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deals = client.find_recent_deals_for_address(address, years_back, radius_meters, max_deals, deal_type)
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if not deals:
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return f"No {deal_type_desc} deals found for address '{address}'"
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# Calculate comprehensive statistics
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prices = [deal.get("dealAmount", 0) for deal in deals if deal.get("dealAmount")]
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areas = [deal.get("assetArea", 0) for deal in deals if deal.get("assetArea")]
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price_per_sqm_values = [deal.get("price_per_sqm", 0) for deal in deals if deal.get("price_per_sqm")]
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# Separate building, street and neighborhood deals for analysis
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building_deals = [deal for deal in deals if deal.get("deal_source") == "same_building"]
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street_deals = [deal for deal in deals if deal.get("deal_source") == "street"]
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neighborhood_deals = [deal for deal in deals if deal.get("deal_source") == "neighborhood"]
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stats = {
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"deal_breakdown": {
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"total_deals": len(deals),
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"same_building_deals": len(building_deals),
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"street_deals": len(street_deals),
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"neighborhood_deals": len(neighborhood_deals),
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"same_building_percentage": round((len(building_deals) / len(deals)) * 100, 1) if deals else 0,
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"street_emphasis_percentage": round((len(street_deals) / len(deals)) * 100, 1) if deals else 0,
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"neighborhood_percentage": round((len(neighborhood_deals) / len(deals)) * 100, 1) if deals else 0
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}
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}
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if prices:
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stats["price_stats"] = {
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"average_price": round(sum(prices) / len(prices), 0),
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"min_price": min(prices),
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"max_price": max(prices),
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"median_price": sorted(prices)[len(prices)//2] if prices else 0,
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"total_volume": sum(prices)
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}
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if areas:
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stats["area_stats"] = {
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"average_area": round(sum(areas) / len(areas), 1),
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"min_area": min(areas),
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"max_area": max(areas),
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"median_area": sorted(areas)[len(areas)//2] if areas else 0
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}
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if price_per_sqm_values:
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stats["price_per_sqm_stats"] = {
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"average_price_per_sqm": round(sum(price_per_sqm_values) / len(price_per_sqm_values), 0),
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"min_price_per_sqm": round(min(price_per_sqm_values), 0),
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"max_price_per_sqm": round(max(price_per_sqm_values), 0),
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"median_price_per_sqm": round(sorted(price_per_sqm_values)[len(price_per_sqm_values)//2], 0) if price_per_sqm_values else 0
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}
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return json.dumps({
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"search_parameters": {
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"address": address,
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"years_back": years_back,
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"radius_meters": radius_meters,
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"max_deals": max_deals,
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"deal_type": deal_type,
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"deal_type_description": deal_type_desc
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},
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"market_statistics": stats,
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"deals": deals
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}, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"Error in find_recent_deals_for_address: {e}")
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return f"Error analyzing address: {str(e)}"
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@mcp.tool()
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def get_neighborhood_deals(polygon_id: str, limit: int = 100, deal_type: int = 2) -> str:
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"""Get real estate deals for a specific neighborhood polygon.
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Args:
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polygon_id: The polygon ID of the neighborhood
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limit: Maximum number of deals to return (default: 100)
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deal_type: Deal type filter (1=first hand/new, 2=second hand/used, default: 2)
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Returns:
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JSON string containing recent real estate deals in the specified neighborhood
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"""
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try:
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deals = client.get_neighborhood_deals(polygon_id, limit, deal_type=deal_type)
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if not deals:
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return f"No {deal_type_desc} deals found for polygon ID {polygon_id}"
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# Add price per sqm calculation for each deal
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for deal in deals:
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price = deal.get('dealAmount', 0)
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area = deal.get('assetArea', 0)
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if isinstance(price, (int, float)) and isinstance(area, (int, float)) and area > 0:
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deal['price_per_sqm'] = round(price / area, 2)
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else:
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deal['price_per_sqm'] = None
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# Add deal type info
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deal['deal_type'] = deal_type
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deal['deal_type_description'] = 'first_hand_new' if deal_type == 1 else 'second_hand_used'
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# Calculate basic statistics including price per sqm
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prices = [deal.get("dealAmount", 0) for deal in deals if deal.get("dealAmount")]
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price_per_sqm_values = [deal.get("price_per_sqm", 0) for deal in deals if deal.get("price_per_sqm")]
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stats = {}
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if price_per_sqm_values:
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stats["price_per_sqm_stats"] = {
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"average_price_per_sqm": round(sum(price_per_sqm_values) / len(price_per_sqm_values), 0),
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"min_price_per_sqm": round(min(price_per_sqm_values), 0),
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"max_price_per_sqm": round(max(price_per_sqm_values), 0)
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}
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return json.dumps({
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"total_deals": len(deals),
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"polygon_id": polygon_id,
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"deal_type": deal_type,
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"deal_type_description": deal_type_desc,
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"market_statistics": stats,
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"deals": deals
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}, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"Error in get_neighborhood_deals: {e}")
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return f"Error fetching neighborhood deals: {str(e)}"
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@mcp.tool()
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def analyze_market_trends(address: str, years_back: int = 3, radius_meters: int = 100, max_deals: int = 100, deal_type: int = 2) -> str:
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"""Analyze market trends and price patterns for an area with comprehensive data.
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Args:
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address: The address to analyze trends around
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years_back: How many years of data to analyze (default: 3)
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radius_meters: Search radius in meters from the address (default: 100, larger for trend analysis)
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max_deals: Maximum number of deals to analyze (default: 100, optimized for performance and token limits)
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deal_type: Deal type filter (1=first hand/new, 2=second hand/used, default: 2)
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Returns:
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JSON string containing comprehensive market trend analysis (summarized data, not raw deals)
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"""
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try:
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# Get deals for the address with larger radius for trend analysis
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deals = client.find_recent_deals_for_address(address, years_back, radius_meters, max_deals, deal_type)
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if not deals:
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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return f"No {deal_type_desc} deals found for comprehensive market analysis near '{address}'"
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# Efficient analysis with reduced complexity
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from collections import defaultdict
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yearly_data = defaultdict(list)
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property_types: Dict[str, List[float]] = defaultdict(list) # Store only prices for efficiency
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neighborhoods = defaultdict(list)
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# Simplified processing - extract only essential data
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for deal in deals:
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date_str = deal.get('dealDate', '')
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if not date_str:
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continue
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year = date_str[:4]
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price = deal.get('dealAmount')
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area = deal.get('assetArea')
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price_per_sqm = deal.get('price_per_sqm')
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prop_type = deal.get('assetTypeHeb', deal.get('propertyTypeDescription', 'לא ידוע'))
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neighborhood = deal.get('settlementNameHeb', deal.get('neighborhood', 'לא ידוע'))
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deal_source = deal.get('deal_source', 'unknown')
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if isinstance(price, (int, float)) and isinstance(area, (int, float)) and area > 0 and isinstance(price_per_sqm, (int, float)):
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yearly_data[year].append({
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'price': price, 'area': area, 'price_per_sqm': price_per_sqm, 'deal_source': deal_source
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})
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property_types[prop_type].append(price_per_sqm)
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neighborhoods[neighborhood].append(price_per_sqm)
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# Calculate streamlined yearly trends
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yearly_trends = {}
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for year, year_deals in yearly_data.items():
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if year_deals:
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prices = [d['price'] for d in year_deals]
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price_per_sqm_vals = [d['price_per_sqm'] for d in year_deals]
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building_deals = [d for d in year_deals if d['deal_source'] == 'same_building']
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street_deals = [d for d in year_deals if d['deal_source'] == 'street']
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yearly_trends[year] = {
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"deal_count": len(year_deals),
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"same_building_deals": len(building_deals),
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"street_deals": len(street_deals),
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"avg_price": round(sum(prices) / len(prices), 0),
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"avg_price_per_sqm": round(sum(price_per_sqm_vals) / len(price_per_sqm_vals), 0),
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"min_price_per_sqm": round(min(price_per_sqm_vals), 0),
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"max_price_per_sqm": round(max(price_per_sqm_vals), 0),
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"total_volume": sum(prices)
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}
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# Streamlined property type analysis (top 5 only)
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property_type_analysis = {}
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for prop_type, prices_per_sqm in property_types.items():
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if len(prices_per_sqm) >= 2: # Only include types with multiple deals
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property_type_analysis[prop_type] = {
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"deal_count": len(prices_per_sqm),
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"avg_price_per_sqm": round(sum(prices_per_sqm) / len(prices_per_sqm), 0)
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}
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# Keep only top 5 property types by deal count
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property_type_analysis = dict(sorted(property_type_analysis.items(),
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key=lambda x: x[1]['deal_count'], reverse=True)[:5])
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# Streamlined neighborhood analysis (top 5 only)
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neighborhood_analysis = {}
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for neighborhood, prices_per_sqm in neighborhoods.items():
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if len(prices_per_sqm) >= 3: # Minimum 3 deals for statistical significance
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neighborhood_analysis[neighborhood] = {
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"deal_count": len(prices_per_sqm),
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"avg_price_per_sqm": round(sum(prices_per_sqm) / len(prices_per_sqm), 0)
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}
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# Keep only top 5 neighborhoods by deal count
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neighborhood_analysis = dict(sorted(neighborhood_analysis.items(),
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key=lambda x: x[1]['deal_count'], reverse=True)[:5])
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# Simple trend analysis
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years_sorted = sorted(yearly_trends.keys())
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trend_analysis = {}
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if len(years_sorted) >= 2:
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first_year = yearly_trends[years_sorted[0]]
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last_year = yearly_trends[years_sorted[-1]]
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if first_year['avg_price_per_sqm'] > 0:
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price_change = ((last_year['avg_price_per_sqm'] - first_year['avg_price_per_sqm']) / first_year['avg_price_per_sqm']) * 100
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volume_change = ((last_year['deal_count'] - first_year['deal_count']) / first_year['deal_count']) * 100 if first_year['deal_count'] > 0 else 0
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trend_analysis = {
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"price_trend_percentage": round(price_change, 1),
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"volume_trend_percentage": round(volume_change, 1),
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"first_year_avg_price_per_sqm": first_year['avg_price_per_sqm'],
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"last_year_avg_price_per_sqm": last_year['avg_price_per_sqm']
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}
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deal_type_desc = "first hand (new)" if deal_type == 1 else "second hand (used)"
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# Return summarized analysis (NO raw deals to save tokens)
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return json.dumps({
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"analysis_parameters": {
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"address": address,
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"years_analyzed": years_back,
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"radius_meters": radius_meters,
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"deals_analyzed": len(deals),
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"deal_type": deal_type,
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"deal_type_description": deal_type_desc
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},
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"market_summary": {
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"total_deals": len(deals),
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"years_with_data": len(yearly_trends),
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"unique_property_types": len(property_type_analysis),
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"unique_neighborhoods": len(neighborhood_analysis)
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},
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"yearly_trends": yearly_trends,
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"top_property_types": property_type_analysis,
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"top_neighborhoods": neighborhood_analysis,
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"trend_analysis": trend_analysis,
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"key_insights": {
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"most_active_year": max(yearly_trends.keys(), key=lambda y: yearly_trends[y]['deal_count']) if yearly_trends else None,
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"highest_avg_price_year": max(yearly_trends.keys(), key=lambda y: yearly_trends[y]['avg_price_per_sqm']) if yearly_trends else None,
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"deal_source_summary": f"Building: {len([d for d in deals if d.get('deal_source') == 'same_building'])}, Street: {len([d for d in deals if d.get('deal_source') == 'street'])}, Neighborhood: {len([d for d in deals if d.get('deal_source') == 'neighborhood'])}"
|
|
}
|
|
}, ensure_ascii=False, indent=2)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in analyze_market_trends: {e}")
|
|
return f"Error analyzing market trends: {str(e)}"
|
|
|
|
@mcp.tool()
|
|
def compare_addresses(addresses: List[str]) -> str:
|
|
"""Compare real estate markets between multiple addresses.
|
|
|
|
Args:
|
|
addresses: List of addresses to compare (in Hebrew or English)
|
|
|
|
Returns:
|
|
JSON string containing comparative analysis of multiple addresses
|
|
"""
|
|
try:
|
|
comparisons = []
|
|
|
|
for address in addresses:
|
|
try:
|
|
deals = client.find_recent_deals_for_address(address, 2)
|
|
|
|
if deals:
|
|
prices = [deal.get("dealAmount", 0) for deal in deals if deal.get("dealAmount")]
|
|
areas = [deal.get("assetArea", 0) for deal in deals if deal.get("assetArea")]
|
|
price_per_sqm_values = [deal.get("price_per_sqm", 0) for deal in deals if deal.get("price_per_sqm")]
|
|
building_deals = [deal for deal in deals if deal.get("deal_source") == "same_building"]
|
|
street_deals = [deal for deal in deals if deal.get("deal_source") == "street"]
|
|
neighborhood_deals = [deal for deal in deals if deal.get("deal_source") == "neighborhood"]
|
|
|
|
comparison = {
|
|
"address": address,
|
|
"total_deals": len(deals),
|
|
"same_building_deals": len(building_deals),
|
|
"street_deals": len(street_deals),
|
|
"neighborhood_deals": len(neighborhood_deals),
|
|
"same_building_percentage": round((len(building_deals) / len(deals)) * 100, 1) if deals else 0,
|
|
"street_emphasis_percentage": round((len(street_deals) / len(deals)) * 100, 1) if deals else 0,
|
|
"price_stats": {
|
|
"average_price": round(sum(prices) / len(prices), 0) if prices else 0,
|
|
"min_price": min(prices) if prices else 0,
|
|
"max_price": max(prices) if prices else 0
|
|
},
|
|
"area_stats": {
|
|
"average_area": round(sum(areas) / len(areas), 1) if areas else 0,
|
|
"min_area": min(areas) if areas else 0,
|
|
"max_area": max(areas) if areas else 0
|
|
},
|
|
"price_per_sqm_stats": {
|
|
"average_price_per_sqm": round(sum(price_per_sqm_values) / len(price_per_sqm_values), 0) if price_per_sqm_values else 0,
|
|
"min_price_per_sqm": round(min(price_per_sqm_values), 0) if price_per_sqm_values else 0,
|
|
"max_price_per_sqm": round(max(price_per_sqm_values), 0) if price_per_sqm_values else 0
|
|
}
|
|
}
|
|
else:
|
|
comparison = {
|
|
"address": address,
|
|
"total_deals": 0,
|
|
"same_building_deals": 0,
|
|
"street_deals": 0,
|
|
"neighborhood_deals": 0,
|
|
"same_building_percentage": 0,
|
|
"street_emphasis_percentage": 0,
|
|
"price_stats": {},
|
|
"area_stats": {},
|
|
"price_per_sqm_stats": {}
|
|
}
|
|
|
|
comparisons.append(comparison)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error comparing {address}: {e}")
|
|
comparisons.append({
|
|
"address": address,
|
|
"error": str(e)
|
|
})
|
|
|
|
# Rank addresses by average price per sqm
|
|
valid_comparisons = []
|
|
for comparison in comparisons:
|
|
if (isinstance(comparison, dict) and
|
|
"price_per_sqm_stats" in comparison and
|
|
isinstance(comparison["price_per_sqm_stats"], dict) and
|
|
comparison["price_per_sqm_stats"].get("average_price_per_sqm", 0) > 0):
|
|
valid_comparisons.append(comparison)
|
|
|
|
# Sort by price per sqm
|
|
def get_price_per_sqm(comp: dict) -> float:
|
|
price_stats = comp.get("price_per_sqm_stats", {})
|
|
if isinstance(price_stats, dict):
|
|
return price_stats.get("average_price_per_sqm", 0)
|
|
return 0
|
|
|
|
valid_comparisons.sort(key=get_price_per_sqm, reverse=True)
|
|
|
|
return json.dumps({
|
|
"addresses_compared": len(addresses),
|
|
"ranking_by_average_price_per_sqm": valid_comparisons,
|
|
"all_results": comparisons
|
|
}, ensure_ascii=False, indent=2)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in compare_addresses: {e}")
|
|
return f"Error comparing addresses: {str(e)}"
|
|
|
|
# Run the server
|
|
if __name__ == "__main__":
|
|
mcp.run() |