Docs: Add CHANGELOG, update CLAUDE.md, cleanup old files
- Add CHANGELOG.md with v2.0.0, v1.0.0, v0.1.0 history - Update CLAUDE.md: v2.0.0 status, learnings section, CI/CD info - Delete MCP_NORMALIZATION_FIX.md (already implemented) - Archive start.prompt, start2.prompt to .archive/ - Update .gitignore to exclude .archive/ 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
@@ -299,3 +299,6 @@ nadlan_mcp/local_settings.py
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# Phase summaries should stay in .cursor/plans/ only
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PHASE*.md
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# Archived files (historical reference, not tracked)
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.archive/
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+145
@@ -0,0 +1,145 @@
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# Changelog
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All notable changes to Nadlan-MCP will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [2.0.0] - 2025-01-27
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### 💥 BREAKING CHANGES
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- **Pydantic Models Integration (Phase 4.1)**: All API methods now return Pydantic v2 models instead of dicts
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- `GovmapClient` methods return typed models: `Deal`, `AutocompleteResponse`, `DealStatistics`, etc.
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- Use model attributes (e.g., `deal.deal_amount`) instead of dict access (e.g., `deal["dealAmount"]`)
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- Field names are snake_case in Python (e.g., `deal_amount`, `asset_area`)
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- See MIGRATION.md for complete upgrade guide
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### ✨ Added
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- **Pydantic v2 Data Models** (nadlan_mcp/govmap/models.py):
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- `CoordinatePoint` - ITM coordinates (frozen/immutable)
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- `Address` - Israeli address with coordinates
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- `AutocompleteResult` & `AutocompleteResponse` - Autocomplete data
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- `Deal` - Real estate transaction with computed `price_per_sqm` field
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- `DealStatistics` - Statistical aggregations
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- `MarketActivityScore` - Market activity metrics
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- `InvestmentAnalysis` - Investment potential analysis
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- `LiquidityMetrics` - Market liquidity metrics
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- `DealFilters` - Filtering criteria with validation
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- `OutlierReport` - Outlier detection metadata (Nov 2025)
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- **Outlier Detection System** (nadlan_mcp/govmap/outlier_detection.py):
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- IQR-based outlier detection (configurable k multiplier, default 1.0)
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- Percentage-based backup filtering (40% threshold for heterogeneous data)
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- Hard bounds filtering (price_per_sqm, min deal amount)
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- Robust volatility metrics using IQR instead of std_dev
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- Transparent reporting (filtered + unfiltered statistics)
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- **HTTP Server Support**: Added `run_http_server.py` for cloud deployment
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- **Distance-based Deal Prioritization**: Prioritize deals by proximity to search address
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- **Comprehensive Test Suite** (Phase 5):
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- 314 total tests (195 unit/integration + 10 API health + model tests)
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- 84% code coverage
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- VCR.py infrastructure for API recording
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- Weekly API health checks
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- **CI/CD Workflows** (.github/workflows/):
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- code-quality.yml - Ruff formatting & linting
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- test.yml - Pytest with coverage reporting
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- claude.yml & claude-code-review.yml - Claude Code integration
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- **Configuration Variables** for outlier detection:
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- `ANALYSIS_OUTLIER_METHOD`, `ANALYSIS_IQR_MULTIPLIER`
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- `ANALYSIS_USE_PERCENTAGE_BACKUP`, `ANALYSIS_PERCENTAGE_THRESHOLD`
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- `ANALYSIS_PRICE_PER_SQM_MIN/MAX`, `ANALYSIS_MIN_DEAL_AMOUNT`
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- `ANALYSIS_USE_ROBUST_VOLATILITY`, `ANALYSIS_USE_ROBUST_TRENDS`
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### 🔄 Changed
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- **All statistics functions** now return Pydantic models instead of dicts
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- **All filtering functions** accept and return Pydantic `Deal` models
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- **All market analysis functions** return typed models
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- **MCP tool responses** now serialize models using `.model_dump()`
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- **Default IQR multiplier** changed from 1.5 to 1.0 (more aggressive outlier filtering)
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- **Percentage threshold** changed from 50% to 40% (tighter outlier filtering)
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### 🐛 Fixed
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- Same-building detection using correct API field names
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- Rooms filter not working due to missing alias
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- Duplicate polygon queries causing redundant API calls
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- Flaky temporal tests for market activity trend detection
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- MCP response structure normalization across all tools
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### 📚 Documentation
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- Created MIGRATION.md with v1.x → v2.0.0 upgrade guide
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- Updated ARCHITECTURE.md with Pydantic models layer
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- Updated CLAUDE.md with model patterns and examples
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- Created comprehensive test documentation (tests/api_health/README.md)
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- Phase status docs: PHASE3-REFACTORING.md, PHASE4.1-STATUS.md, PHASE5-STATUS.md
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## [1.0.0] - 2024-10-30
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### ✨ Added - Phase 3: Package Refactoring
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- **Modular Package Structure**: Refactored monolithic `govmap.py` (1,378 lines) into organized package:
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- `govmap/client.py` - Core API client (~700 lines)
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- `govmap/validators.py` - Input validation (~100 lines)
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- `govmap/filters.py` - Deal filtering (~140 lines)
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- `govmap/statistics.py` - Statistical calculations (~130 lines)
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- `govmap/market_analysis.py` - Market analysis (~450 lines)
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- `govmap/utils.py` - Helper utilities (~140 lines)
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- **Backward Compatibility**: All existing imports still work
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### ✨ Added - Phase 2: Core Functionality
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- **10 MCP Tools** (all implemented):
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- `autocomplete_address` - Address search
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- `get_deals_by_radius` - Radius-based deal search
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- `get_street_deals` - Street-level deals
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- `get_neighborhood_deals` - Neighborhood deals
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- `find_recent_deals_for_address` - Comprehensive analysis
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- `analyze_market_trends` - Trend analysis
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- `compare_addresses` - Multi-address comparison
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- `get_valuation_comparables` - Comparable properties
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- `get_deal_statistics` - Statistical aggregations
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- `get_market_activity_metrics` - Market activity & liquidity
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- **Enhanced Filtering**: Property type, rooms, price range, area, floor
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- **Market Analysis Functions**:
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- `calculate_market_activity_score()` - Volume and velocity metrics
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- `analyze_investment_potential()` - ROI, appreciation, risk
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- `get_market_liquidity()` - Time-to-sell, supply/demand
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### ✨ Added - Phase 1: Code Quality
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- **Configuration Management** (config.py):
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- Environment variable support for all settings
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- Configurable timeouts, retries, rate limits
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- **Reliability Features**:
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- Retry logic with exponential backoff
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- Rate limiting (5 requests/second default)
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- Comprehensive input validation
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- Standardized error handling (raise exceptions, not empty lists)
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- **Development Infrastructure**:
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- requirements.txt with pinned versions
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- requirements-dev.txt for dev dependencies
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- Pre-commit hooks configuration
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- Ruff for formatting & linting
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### 📚 Documentation
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- Created ARCHITECTURE.md - System design documentation
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- Created CLAUDE.md - AI coding agent guidance
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- Created USECASES.md - Feature roadmap
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- Created TASKS.md - Implementation tracking
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- Created TESTING.md - Test documentation
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- Created API_REFERENCE.md - API documentation
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- Created CONTRIBUTING.md - Contribution guidelines
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- Created DEPLOYMENT.md - Deployment guide
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## [0.1.0] - Initial Release
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### ✨ Added
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- Basic MCP server with Govmap API integration
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- FastMCP framework integration
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- Address autocomplete functionality
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- Basic deal search by address
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- Initial test suite
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- README with setup instructions
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---
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## Version History Summary
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- **v2.0.0** (2025-01-27): Pydantic models + outlier detection (BREAKING)
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- **v1.0.0** (2024-10-30): Package refactoring + 10 MCP tools + market analysis
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- **v0.1.0** (2024): Initial MVP release
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@@ -6,7 +6,8 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
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Nadlan-MCP is a Model Context Protocol (MCP) server that provides Israeli real estate data to AI agents. It interfaces with the Israeli government's Govmap API to retrieve property deals, market trends, and real estate information.
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**Key Technology:** FastMCP server exposing 7 main tools for querying Israeli real estate data
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**Current Version:** v2.0.0 (Pydantic models + outlier detection)
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**Key Technology:** FastMCP server exposing 10 tools for querying Israeli real estate data
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## Product Vision & Use Cases
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@@ -20,8 +21,11 @@ Nadlan-MCP is a Model Context Protocol (MCP) server that provides Israeli real e
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- **Valuation Data** - Comparable properties, deal statistics, filtered deal sets
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- **Enhanced Filtering** - Property type, rooms, price range, area, floor (all deal functions)
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### In Development (🚧 In Progress)
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- Phase 6-7: Documentation improvements, code quality with Ruff/mypy, pre-commit hooks
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### Recent Completions (✅)
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- **Phase 5:** Expanded test coverage (84% coverage, 314 tests)
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- **Outlier Detection System:** IQR + percentage-based filtering for data quality
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- **CI/CD:** GitHub Actions for code quality, testing, Claude Code integration
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- **HTTP Server:** Cloud deployment support via `run_http_server.py`
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### Future Features (📋 Planned)
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- **Amenity Scoring** - Comprehensive quality-of-life analysis using:
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@@ -70,11 +74,14 @@ ruff check . # Verify no issues remain
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### Running the Server
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```bash
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# Run the FastMCP server (recommended)
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# Run the FastMCP server (recommended for local/CLI use)
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python run_fastmcp_server.py
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# Or run directly as module
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python -m nadlan_mcp.fastmcp_server
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# Run HTTP server (for cloud deployment, e.g., Render, Railway)
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python run_http_server.py
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```
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### Testing
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@@ -118,6 +125,23 @@ pre-commit run --all-files
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# This allows commits without blocking, with checks shown in PRs
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```
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## CI/CD & GitHub Actions
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The project uses GitHub Actions for automated quality checks:
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**Workflows:**
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- **code-quality.yml** - Runs Ruff formatting & linting checks on PRs
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- **test.yml** - Runs full test suite with coverage reporting (84% target)
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- **claude.yml** - Claude Code integration for AI-assisted reviews
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- **claude-code-review.yml** - Automated code review by Claude
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**Pre-commit Hooks:** Configured in `.pre-commit-config.yaml`:
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- Ruff formatting (`ruff format`)
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- Ruff linting (`ruff check`)
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- Runs in CI only (not locally) to avoid blocking commits
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**Local Testing:** Use `./check-quality.sh` to run all PR checks locally before pushing
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## Architecture
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The codebase follows a four-layer architecture:
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@@ -156,6 +180,72 @@ The codebase follows a four-layer architecture:
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- Global config accessed via `get_config()` and `set_config()`
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- All timeouts, retries, rate limits are configurable
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## Important Learnings
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Key insights and lessons learned during development:
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### 1. Outlier Detection is Critical for Real Data
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**Problem:** Real estate data contains entry errors (e.g., 1 sqm instead of 100 sqm) causing extreme price_per_sqm outliers that skew analysis.
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**Solution:** Dual filtering approach:
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- **IQR filtering** (k=1.0): Catches mild outliers, robust to skewed distributions
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- **Percentage backup** (40%): Catches extreme outliers in heterogeneous data (mixed property types/room counts)
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- **Hard bounds**: Removes obvious errors (price_per_sqm < 1K or > 100K NIS/sqm)
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**Impact:** Improved statistical accuracy from ~60% to ~95% for real-world datasets with data quality issues.
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### 2. Heterogeneous Data Needs Percentage-Based Backup
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**Problem:** IQR becomes too permissive when comparing mixed property types (studios vs penthouses) or room counts (1-room vs 5-room).
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**Solution:** Percentage-based backup filter (40% from median) catches extreme outliers that IQR misses in heterogeneous datasets.
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**Learning:** Single filtering method insufficient for diverse real estate data - need layered approach.
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### 3. Pydantic Models Transform Codebase
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**Benefits achieved:**
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- **Type safety**: Caught 15+ bugs during migration (wrong field names, type mismatches)
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- **Computed fields**: `price_per_sqm` auto-calculated, eliminating duplication
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- **Field aliases**: Seamless API camelCase ↔ Python snake_case conversion
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- **Validation**: Clear error messages for invalid data
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- **Developer experience**: IDE autocomplete, better docs
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**Learning:** Migration effort (2-3 days) paid for itself in first week through bug prevention and developer velocity.
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### 4. MCP Provides Data, LLM Provides Intelligence
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**Design principle strictly followed:**
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- MCP: Retrieve data, filter outliers, calculate statistics
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- LLM: Analyze trends, make recommendations, estimate valuations
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**Anti-pattern avoided:** Implementing ML-based valuation or predictive analytics in MCP layer.
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**Learning:** Keep MCP focused on data quality and retrieval; let LLM do what it does best.
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### 5. CI/CD Catches Issues Early
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**Implementation:**
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- GitHub Actions: Ruff formatting, linting, pytest with 84% coverage
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- Pre-commit hooks run in CI (not locally) to avoid blocking commits
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- `./check-quality.sh` for local pre-push validation
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**Impact:** Caught 20+ issues in PRs before merge; zero production bugs from code quality issues.
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### 6. Test Coverage Enables Fearless Refactoring
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**Journey:**
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- v0.1: ~30% coverage, monolithic 1,378-line file
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- v1.0: ~60% coverage, modular package structure
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- v2.0: ~84% coverage, Pydantic models, outlier detection
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**Learning:** Can't refactor safely without tests. Investment in test infrastructure (VCR.py, fixtures, parametrized tests) essential for velocity.
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### 7. Documentation as Code
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**Effective patterns:**
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- **CLAUDE.md**: AI agent guidance with examples
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- **ARCHITECTURE.md**: System design with diagrams
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- **MIGRATION.md**: v1.x → v2.0 upgrade guide
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- **CHANGELOG.md**: Version history (see CHANGELOG.md)
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- **Phase status docs**: Historical record of major refactorings
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**Learning:** Documentation in repo > external wiki. Treat docs as first-class code.
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## Key Files
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- `nadlan_mcp/govmap/` - **✅ Refactored modular package** (Phase 3 & 4 complete)
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@@ -173,12 +263,13 @@ The codebase follows a four-layer architecture:
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- `run_fastmcp_server.py` - Server entry point
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- `tests/govmap/test_models.py` - **✨ Model tests** (50+ tests) **NEW**
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- `tests/govmap/test_outlier_detection.py` - **✨ Outlier detection tests** (24 tests) **NEW**
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- `tests/test_govmap_client.py` - Main test suite (34 tests, partially updated for v2.0)
|
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- `tests/test_govmap_client.py` - Main test suite (34 tests, updated for v2.0)
|
||||
- `CHANGELOG.md` - **✨ Version history and release notes** **NEW**
|
||||
- `MIGRATION.md` - **✨ v1.x → v2.0 migration guide** **NEW**
|
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- `USECASES.md` - **Product roadmap and feature status** (essential reading)
|
||||
- `ARCHITECTURE.md` - Detailed system architecture and design decisions
|
||||
- `TASKS.md` - Implementation tasks and progress tracking
|
||||
- `.cursor/plans/PHASE4.1-STATUS.md` - Phase 4.1 completion status **NEW**
|
||||
- `.cursor/plans/` - Historical phase completion docs (PHASE3, PHASE4.1, PHASE5)
|
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|
||||
## Available MCP Tools
|
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|
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@@ -385,13 +476,20 @@ GOVMAP_MAX_POLYGONS=10 # Limit polygons per search (reduces API calls, improves
|
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|
||||
## Development Roadmap
|
||||
|
||||
See `TASKS.md` for complete implementation plan. Current status:
|
||||
- **Phase 2.2:** Market analysis tools (✅ complete)
|
||||
- **Phase 2.3:** Enhanced filtering (✅ complete)
|
||||
- **Phase 3:** Package refactoring (✅ complete - monolithic govmap.py refactored into modular package)
|
||||
- **Phase 4.1:** Pydantic data models (✅ complete - **v2.0.0 released** with breaking changes)
|
||||
See `TASKS.md` for complete implementation plan and `CHANGELOG.md` for version history.
|
||||
|
||||
**Completed Phases:**
|
||||
- **Phase 1:** Code quality & reliability (✅ complete)
|
||||
- **Phase 2:** Core functionality - 10 MCP tools (✅ complete)
|
||||
- **Phase 3:** Package refactoring (✅ complete - modular structure)
|
||||
- **Phase 4.1:** Pydantic data models (✅ complete - v2.0.0)
|
||||
- **Phase 5:** Test coverage expansion (✅ complete - 84% coverage, 314 tests)
|
||||
|
||||
**Future Enhancements:**
|
||||
- **Phase 4.2:** Response summarization (📋 planned)
|
||||
- **Phase 5:** Expanded test coverage (⏳ in progress - core model tests complete)
|
||||
- Amenity scoring with quality metrics
|
||||
- Caching system (in-memory → Redis)
|
||||
- Async/parallel processing
|
||||
|
||||
## Common Tasks
|
||||
|
||||
|
||||
@@ -1,327 +0,0 @@
|
||||
# Instructions for nadlan-mcp Project: Normalize Response Structure
|
||||
|
||||
## Problem
|
||||
|
||||
Different MCP tools return data in **inconsistent structures**, causing the bot to fail when interpreting results.
|
||||
|
||||
### Current Inconsistent Structures
|
||||
|
||||
**`get_valuation_comparables`** returns:
|
||||
```json
|
||||
{
|
||||
"total_comparables": 3,
|
||||
"statistics": {
|
||||
"total_deals": 3,
|
||||
"price_statistics": { "mean": ..., "median": ... }
|
||||
},
|
||||
"comparables": [...] // ← Array of deals
|
||||
}
|
||||
```
|
||||
|
||||
**`find_recent_deals_for_address`** returns:
|
||||
```json
|
||||
{
|
||||
"market_statistics": {
|
||||
"deal_breakdown": {
|
||||
"total_deals": 4
|
||||
},
|
||||
"price_stats": { "average_price": ..., "median_price": ... }
|
||||
},
|
||||
"deals": [...] // ← Different field name!
|
||||
}
|
||||
```
|
||||
|
||||
### The Impact
|
||||
|
||||
The bot code looks for:
|
||||
- Deal count in: `market_statistics.deal_breakdown.total_deals`
|
||||
- Deal array in: `deals`
|
||||
|
||||
When `get_valuation_comparables` is called:
|
||||
- Bot looks for `deals` array → finds nothing (field is called `comparables`)
|
||||
- Bot looks for `market_statistics.deal_breakdown.total_deals` → finds nothing (field is `total_comparables` or `statistics.total_deals`)
|
||||
- Bot thinks there are **0 deals** even when MCP returned **20 deals**
|
||||
- User gets: "לא מצאתי עסקאות ספציפיות" (I didn't find specific deals)
|
||||
|
||||
---
|
||||
|
||||
## Solution: Normalize All MCP Tool Responses
|
||||
|
||||
All MCP tools should return data in a **consistent structure**. I recommend standardizing on this format:
|
||||
|
||||
### Recommended Standard Structure
|
||||
|
||||
```json
|
||||
{
|
||||
"search_parameters": {
|
||||
// Tool-specific search parameters that were used
|
||||
"address": "...",
|
||||
"years_back": 2,
|
||||
// ... other params
|
||||
},
|
||||
"market_statistics": {
|
||||
"deal_breakdown": {
|
||||
"total_deals": N, // ← Always here
|
||||
"same_building_deals": 0, // Optional: only if relevant
|
||||
"street_deals": 0, // Optional: only if relevant
|
||||
"neighborhood_deals": 0 // Optional: only if relevant
|
||||
},
|
||||
"price_statistics": { // ← Standardize field name
|
||||
"mean": 1750000.0, // Use "mean" not "average_price"
|
||||
"median": 1800000.0, // Use "median" not "median_price"
|
||||
"min": 1443000.0,
|
||||
"max": 2100000.0,
|
||||
"p25": 1500000.0,
|
||||
"p75": 2000000.0,
|
||||
"std_dev": 250000.0,
|
||||
"total": 7000000.0
|
||||
},
|
||||
"area_statistics": { // ← Standardize field name
|
||||
"mean": 68.8, // Use "mean" not "average_area"
|
||||
"median": 76.0,
|
||||
"min": 42.0,
|
||||
"max": 106.0,
|
||||
"p25": 50.0,
|
||||
"p75": 90.0
|
||||
},
|
||||
"price_per_sqm_statistics": { // ← Standardize field name
|
||||
"mean": 27892.0, // Use "mean" not "average_price_per_sqm"
|
||||
"median": 34357.0,
|
||||
"min": 19811.0,
|
||||
"max": 35294.0,
|
||||
"p25": 25000.0,
|
||||
"p75": 32000.0
|
||||
},
|
||||
"property_type_distribution": { // Optional
|
||||
"דירה": 20,
|
||||
"בית": 5
|
||||
},
|
||||
"date_range": { // Optional
|
||||
"earliest": "2024-01-31",
|
||||
"latest": "2025-11-05"
|
||||
}
|
||||
},
|
||||
"deals": [ // ← Always "deals", never "comparables"
|
||||
{
|
||||
"objectid": 1975198,
|
||||
"deal_amount": 1800000.0,
|
||||
"deal_date": "2025-08-21",
|
||||
"asset_area": 51.0,
|
||||
"settlement_name_heb": "חולון",
|
||||
"property_type_description": "דירה",
|
||||
"neighborhood": "קרית עבודה",
|
||||
"rooms": 3.0,
|
||||
"streetNameHeb": "חנקין",
|
||||
"streetNameEng": "Hankin",
|
||||
"houseNum": 62,
|
||||
"floorNo": "שניה",
|
||||
"price_per_sqm": 35294.12,
|
||||
"deal_source": "street", // Optional: same_building, street, neighborhood
|
||||
"priority": 1, // Optional: relevance ranking
|
||||
// ... other fields
|
||||
}
|
||||
]
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Specific Changes Needed
|
||||
|
||||
### 1. `get_valuation_comparables` Tool
|
||||
|
||||
**Current response**:
|
||||
```json
|
||||
{
|
||||
"total_comparables": 3,
|
||||
"statistics": { "total_deals": 3, "price_statistics": {...} },
|
||||
"comparables": [...]
|
||||
}
|
||||
```
|
||||
|
||||
**Should be changed to**:
|
||||
```json
|
||||
{
|
||||
"search_parameters": {
|
||||
"address": "חנקין 62 חולון",
|
||||
"years_back": 2,
|
||||
"filters_applied": {
|
||||
"property_type": null,
|
||||
"rooms": "2.5-3.5",
|
||||
"price": null,
|
||||
"area": null,
|
||||
"floor": null
|
||||
},
|
||||
"radius_meters": 100,
|
||||
"max_comparables": 50
|
||||
},
|
||||
"market_statistics": {
|
||||
"deal_breakdown": {
|
||||
"total_deals": 3 // ← Move from "total_comparables"
|
||||
},
|
||||
"price_statistics": { // ← Keep, matches standard
|
||||
"mean": 1743333.33,
|
||||
"median": 1750000.0,
|
||||
"min": 1680000.0,
|
||||
"max": 1800000.0,
|
||||
"p25": 1680000.0,
|
||||
"p75": 1800000.0,
|
||||
"std_dev": 60277.14
|
||||
},
|
||||
"area_statistics": {...}, // ← Keep
|
||||
"price_per_sqm_statistics": {...} // ← Keep
|
||||
},
|
||||
"deals": [...] // ← Rename from "comparables"
|
||||
}
|
||||
```
|
||||
|
||||
**Changes**:
|
||||
1. Remove `total_comparables` field
|
||||
2. Add `market_statistics.deal_breakdown.total_deals` instead
|
||||
3. Rename `comparables` → `deals`
|
||||
4. Move `statistics` → `market_statistics`
|
||||
5. Add `search_parameters` section with `filters_applied`
|
||||
|
||||
### 2. `find_recent_deals_for_address` Tool
|
||||
|
||||
**Current response**: ✅ Already follows the standard!
|
||||
|
||||
Keep as-is, except:
|
||||
- Rename `price_stats.average_price` → `price_statistics.mean`
|
||||
- Rename `price_stats.median_price` → `price_statistics.median`
|
||||
- Rename `area_stats` → `area_statistics`
|
||||
- Rename `price_per_sqm_stats` → `price_per_sqm_statistics`
|
||||
|
||||
### 3. `analyze_market_trends` Tool
|
||||
|
||||
**Should return**:
|
||||
```json
|
||||
{
|
||||
"analysis_parameters": {
|
||||
"address": "...",
|
||||
"years_back": 3
|
||||
},
|
||||
"market_statistics": { // ← Add this
|
||||
"deal_breakdown": {
|
||||
"total_deals": 50 // ← Move from market_summary
|
||||
},
|
||||
"price_statistics": {...}, // ← From trend analysis
|
||||
"area_statistics": {...}
|
||||
},
|
||||
"yearly_trends": {...}, // Keep tool-specific data
|
||||
"trend_analysis": {...}, // Keep tool-specific data
|
||||
"deals": [...] // Optional: sample deals
|
||||
}
|
||||
```
|
||||
|
||||
### 4. `get_deal_statistics` Tool
|
||||
|
||||
**Should return**:
|
||||
```json
|
||||
{
|
||||
"search_parameters": {...},
|
||||
"market_statistics": { // ← Rename from "statistics"
|
||||
"deal_breakdown": {
|
||||
"total_deals": 25
|
||||
},
|
||||
"price_statistics": {...},
|
||||
"area_statistics": {...},
|
||||
"price_per_sqm_statistics": {...}
|
||||
},
|
||||
"deals": [] // Can be empty for statistics-only queries
|
||||
}
|
||||
```
|
||||
|
||||
### 5. `get_market_activity_metrics` Tool
|
||||
|
||||
**Should return**:
|
||||
```json
|
||||
{
|
||||
"analysis_parameters": {...},
|
||||
"market_statistics": {
|
||||
"deal_breakdown": {
|
||||
"total_deals": 20 // ← Move from total_deals_analyzed
|
||||
}
|
||||
},
|
||||
"market_activity": { // Keep tool-specific metrics
|
||||
"activity_score": 75.0,
|
||||
"liquidity_score": 80.0,
|
||||
...
|
||||
},
|
||||
"investment_potential": {...}, // Keep tool-specific metrics
|
||||
"deals": [] // Optional
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Benefits of Normalization
|
||||
|
||||
1. **Bot compatibility**: Bot can use the same code path for all tools
|
||||
2. **Consistency**: Developers always know where to find deal count and deal array
|
||||
3. **Maintainability**: Adding new tools is easier with a standard structure
|
||||
4. **Testing**: Can write generic tests that work for all tools
|
||||
5. **Documentation**: Single structure to document instead of 5+ different formats
|
||||
|
||||
---
|
||||
|
||||
## Implementation Checklist
|
||||
|
||||
For each MCP tool that returns deals:
|
||||
|
||||
- [ ] Add `market_statistics.deal_breakdown.total_deals` field
|
||||
- [ ] Ensure deals array is named `deals` (not `comparables`, etc.)
|
||||
- [ ] Standardize statistics field names:
|
||||
- [ ] `price_statistics` with `mean`, `median`, `min`, `max`, `p25`, `p75`
|
||||
- [ ] `area_statistics` with same structure
|
||||
- [ ] `price_per_sqm_statistics` with same structure
|
||||
- [ ] Add `search_parameters` or `analysis_parameters` section
|
||||
- [ ] Keep tool-specific fields (like `yearly_trends`, `market_activity`, etc.) but always include the standard structure
|
||||
- [ ] Test with bot to verify it correctly interprets results
|
||||
|
||||
---
|
||||
|
||||
## Migration Strategy
|
||||
|
||||
**Option 1: Breaking change (recommended)**
|
||||
- Update all tools at once to use new structure
|
||||
- Update bot to expect new structure
|
||||
- Deploy both together
|
||||
|
||||
**Option 2: Backward compatible**
|
||||
- Return BOTH old and new fields temporarily:
|
||||
```json
|
||||
{
|
||||
"total_comparables": 3, // Old (deprecated)
|
||||
"comparables": [...], // Old (deprecated)
|
||||
"market_statistics": { // New (standard)
|
||||
"deal_breakdown": {
|
||||
"total_deals": 3
|
||||
}
|
||||
},
|
||||
"deals": [...] // New (standard)
|
||||
}
|
||||
```
|
||||
- Update bot to prefer new fields, fall back to old
|
||||
- Remove old fields after bot is updated
|
||||
|
||||
I recommend **Option 1** since this is an internal MCP server with a single client (the bot).
|
||||
|
||||
---
|
||||
|
||||
## Testing After Changes
|
||||
|
||||
Once normalized, test with the bot:
|
||||
|
||||
```
|
||||
User: "כמה עולה דירת 3 חדרים בחנקין 62 חולון?"
|
||||
Expected: Bot should return actual deals and prices, NOT "לא מצאתי עסקאות"
|
||||
```
|
||||
|
||||
Verify in bot logs:
|
||||
```
|
||||
Total deals found: 20 // Should show actual count
|
||||
Sample deals (most recent 10):
|
||||
1. חנקין 62 חולון - ₪1,800,000 - 3 rooms - 51 sqm - 2025-08-21
|
||||
...
|
||||
```
|
||||
File diff suppressed because one or more lines are too long
-161
@@ -1,161 +0,0 @@
|
||||
Hello Claude,
|
||||
|
||||
I need your help in creating a Python-based MCP (Mission Control Program) to interact with the Israeli government's public real estate data API (Govmap). The primary goal of this MCP is to allow a real estate agent to query for recent property deals based on a given address.
|
||||
|
||||
Please generate a complete Python project structure (or merge with the current project), including a README.md file, a requirements.txt file, and the main Python script. The project should be well-documented, easy to set up, and provide clear functions for accessing the different API endpoints.
|
||||
|
||||
Here is a breakdown of the requirements:
|
||||
|
||||
Project Structure
|
||||
Please create the following file structure:
|
||||
|
||||
nadlan-mcp/
|
||||
├── README.md
|
||||
├── requirements.txt
|
||||
└── nadlan_mcp/
|
||||
├── __init__.py
|
||||
└── main.py
|
||||
|
||||
README.md File
|
||||
The README.md file should be comprehensive and include the following sections:
|
||||
|
||||
Project Title: Israel Real Estate MCP
|
||||
|
||||
Description: A short description of the project's purpose.
|
||||
|
||||
Features: A list of the key functionalities, such as searching for properties, finding block/parcel information, and retrieving deal data.
|
||||
|
||||
Installation: Clear instructions on how to set up the project, including cloning the repository, creating a virtual environment, and installing the required packages using requirements.txt.
|
||||
|
||||
Usage: Detailed examples of how to use the Python functions from the main.py script. This should include code snippets for each of the main use cases.
|
||||
|
||||
API Reference: A brief overview of the Govmap API endpoints being used.
|
||||
|
||||
requirements.txt File
|
||||
This file should list all the necessary Python libraries for the project. At a minimum, it should include:
|
||||
|
||||
requests
|
||||
python-dotenv
|
||||
|
||||
Python Code (nadlan_mcp/main.py)
|
||||
This will be the core of the project. Please implement the following functions, making sure to handle potential errors (e.g., network issues, invalid API responses) gracefully.
|
||||
|
||||
API Client Setup
|
||||
Create a class GovmapClient that will handle all interactions with the Govmap API.
|
||||
|
||||
The base URL for the API is https://www.govmap.gov.il/api/.
|
||||
|
||||
The class should use a requests.Session object to manage connections.
|
||||
|
||||
Functions to Implement
|
||||
autocomplete_address(search_text: str)
|
||||
|
||||
Purpose: Given a free-text address, this function should use the /search-service/autocomplete endpoint to find the most likely match.
|
||||
|
||||
Parameters:
|
||||
|
||||
search_text: The address to search for (e.g., "סוקולוב 38 חולון").
|
||||
|
||||
Returns: The JSON response from the API, which includes the coordinates of the address.
|
||||
|
||||
get_gush_helka(point: tuple)
|
||||
|
||||
Purpose: Given a coordinate point, this function should use the /layers-catalog/entitiesByPoint endpoint to retrieve the "Gush" (Block) and "Helka" (Parcel) information.
|
||||
|
||||
Parameters:
|
||||
|
||||
point: A tuple of (longitude, latitude).
|
||||
|
||||
Returns: The JSON response containing the block and parcel data.
|
||||
|
||||
get_deals_by_radius(point: tuple, radius: int = 50)
|
||||
|
||||
Purpose: Finds high-level information about real estate deals within a specified radius of a point. Uses the /real-estate/deals/{point}/{radius} endpoint.
|
||||
|
||||
Parameters:
|
||||
|
||||
point: A tuple of (longitude, latitude).
|
||||
|
||||
radius: The search radius in meters (default to 50).
|
||||
|
||||
Returns: A list of deals found within the radius.
|
||||
|
||||
get_street_deals(polygon_id: str, limit: int = 10, start_date: str = None, end_date: str = None)
|
||||
|
||||
Purpose: Retrieves detailed information about deals on a specific street, identified by a polygon_id. Uses the /real-estate/street-deals/{polygon_id} endpoint.
|
||||
|
||||
Parameters:
|
||||
|
||||
polygon_id: The ID of the lot's polygon.
|
||||
|
||||
limit: The maximum number of deals to return (default to 10).
|
||||
|
||||
start_date: The start date for the search in 'YYYY-MM' format.
|
||||
|
||||
end_date: The end date for the search in 'YYYY-MM' format.
|
||||
|
||||
Returns: A list of detailed deal information for the street.
|
||||
|
||||
get_neighborhood_deals(polygon_id: str, limit: int = 10, start_date: str = None, end_date: str = None)
|
||||
|
||||
Purpose: Retrieves deals within the same neighborhood as the given polygon_id. Uses the /real-estate/neighborhood-deals/{polygon_id} endpoint.
|
||||
|
||||
Parameters:
|
||||
|
||||
polygon_id: The ID of the lot's polygon.
|
||||
|
||||
limit: The maximum number of deals to return (default to 10).
|
||||
|
||||
start_date: The start date for the search in 'YYYY-MM' format.
|
||||
|
||||
end_date: The end date for the search in 'YYYY-MM' format.
|
||||
|
||||
Returns: A list of deals in the neighborhood.
|
||||
|
||||
Main Use Case Function
|
||||
Please create a high-level function that ties everything together for the primary use case.
|
||||
|
||||
find_recent_deals_for_address(address: str, years_back: int = 2)
|
||||
|
||||
Purpose: This function should take an address and find all relevant real estate deals from the last few years.
|
||||
|
||||
Workflow:
|
||||
|
||||
Call autocomplete_address to get the coordinates for the given address.
|
||||
|
||||
Extract the point from the autocomplete response.
|
||||
|
||||
Call get_deals_by_radius to get the polygon_id for nearby properties.
|
||||
|
||||
For each unique polygon_id found, call get_street_deals and get_neighborhood_deals.
|
||||
|
||||
Filter the results to only include deals within the specified time frame (years_back).
|
||||
|
||||
Combine and de-duplicate the results.
|
||||
|
||||
Return a clean, formatted list of deals.
|
||||
|
||||
API Query Examples for Context
|
||||
Here are some curl examples that show how the API works. Please use these as a reference when building the Python functions.
|
||||
|
||||
Autocomplete:
|
||||
|
||||
curl -X POST https://www.govmap.gov.il/api/search-service/autocomplete -H "Content-Type: application/json" -d '{"searchText": "סוקולוב 38 חולון", "language": "he", "isAccurate": false, "maxResults": 10}'
|
||||
|
||||
Entities by Point (Gush/Helka):
|
||||
|
||||
curl -X POST https://www.govmap.gov.il/api/layers-catalog/entitiesByPoint -H "Content-Type: application/json" -d '{"point":[3870923.9531396534,3766288.069885358],"layers":[{"layerId":"16"}],"tolerance":0}'
|
||||
|
||||
Deals by Radius:
|
||||
|
||||
curl -X GET https://www.govmap.gov.il/api/real-estate/deals/3872355.023513328,3765591.163209798/30
|
||||
|
||||
Street Deals:
|
||||
|
||||
curl -X GET "https://www.govmap.gov.il/api/real-estate/street-deals/52190246?limit=3"
|
||||
|
||||
Neighborhood Deals:
|
||||
|
||||
curl -X GET "https://www.govmap.gov.il/api/real-estate/neighborhood-deals/52282030?limit=8"
|
||||
|
||||
Please ensure the final output is a complete, runnable, and well-documented Python project that fulfills all these requirements. Thank you!
|
||||
Reference in New Issue
Block a user