AGI-HDB

AGI-HDB : AI-Guided Intelligence for HDB Buying in Singapore.

An Agentic AI-powered property buying assistant and analysis system specifically designed for Singapore HDB (Housing Development Board) properties. It allows you to take a structured approach to your high-value purchase of an HDB flat in Singapore. It allows you to brainstorm and evaluate properties using a 14-parameter framework but importantly it also allows you to consider and capture preferences and thoughts family members, short-term and long-term goals of family as you go through the buying process.

Prerequisites

This project uses Anthropic Claude APIs so you will need to have an Anthropic Claude account (they have a free tier which is good for testing).

Agentic AI Team Structure

The AI team consists of 6 specialized agents coordinated by a Lead Coordinator:

🎯 Lead Coordinator (Main Agent)

• Asks deep questions to understand the buyer’s requirements and preferences.
• Orchestrates the entire HDB buying process
• Maintains family members’ preferences and thoughts to guide throughout the buying process.
• Maintains a structured property shortlist in markdown format
• Makes final recommendations based on team analysis
• Coordinates between all AI team members

📊 HDB Market Research Analyst

• Singapore HDB market trends and price movements
• Ethnic quota analysis and availability tracking
• Neighborhood demographic analysis
• MRT proximity impact on property values

🏠 Property Evaluator

• Refers to purchaser’s family member preferences and thoughts.
• Individual HDB flat analysis using 14-parameter framework
• Comparative market analysis and COV calculations
• Property strengths and weaknesses assessment
• Value proposition evaluation for immediate occupation

💰 Financial Advisor

• HDB loan eligibility and calculations
• Bank mortgage options and interest rates
• CPF usage optimization strategies
• Total cash component and affordability assessments

🔨 Renovation & Extension Specialist

• HDB renovation guidelines and cost estimation
• Extension feasibility under HDB regulations
• HIP (Home Improvement Plan) year impact analysis
• Contractor recommendations and timeline assessment

📅 Viewing Coordinator

• Property viewing schedule management
• Viewing notes and photo documentation
• Agent coordination and follow-up tracking
• Property availability status monitoring

⚖️ Legal/HDB Documentation Specialist

• HDB resale procedures and legal requirements
• Contract review and legal documentation
• Regulatory compliance verification
• Legal risk assessment and buyer protection

Key Features

14-Parameter Evaluation Framework

Every property is analyzed using a comprehensive framework:

1. Asking Price - Market positioning analysis
2. Size (Sqft) - Space efficiency assessment
3. Price per Sqft - Value comparison metrics
4. Ethnic Quota - Availability and eligibility verification
5. MRT Proximity - Distance and travel time analysis
6. Number of Rooms - Layout and configuration evaluation
7. COV (Cash Over Valuation) - Comparable transaction analysis
8. Lease Decay - Remaining lease impact on value
9. HIP Year - Home Improvement Plan timing considerations
10. Total Cash Component - Upfront payment calculations
11. Total Loan Component - Financing structure analysis
12. Renovation Budget - Improvement cost estimation
13. Extension Required - Structural modification needs
14. Total Cash Out of Pocket - Complete financial commitment

Structured Property Tracking

• Maintains organized markdown-formatted property shortlist
• Real-time updates from all team members
• Comprehensive property status tracking
• Decision-making audit trail

Singapore HDB Expertise

• Specialized knowledge of HDB regulations and procedures
• Understanding of ethnic quota constraints
• MRT network impact analysis
• Government policy change lookup via search

Setup Instructions

Prerequisites

• Ruby 3.2.0 or higher
• Claude CLI installed and configured
• Bundler gem installed

Installation

1. Clone or navigate to this project directory:

   cd /path/to/agi-hdb
   

2. Run the setup script:

   bin/setup
   

   This script will:

   • Verify Ruby version (3.2.0+)
   • Install Claude CLI if not present
   • Install all dependencies with Bundler
   • Verify configuration files
   • Create initial property tracking files

Usage

Starting the Property Search Team

1. Launch the Property Buying Team:

   bin/launch
   

   This will start the Lead Coordinator with connections to all specialist agents.

2. Resume a previous session:

   bin/launch --session-id [SESSION_ID]
   

3. Launch with enhanced permissions:

   bin/launch --vibe
   

4. View active sessions:

   bin/launch ps
   

Working with the Team

1. Property Analysis Request: Ask the Lead Coordinator to analyze a specific property
2. Market Research: Request neighborhood or market trend analysis
3. Financial Assessment: Get detailed affordability and loan calculations
4. Renovation Planning: Assess renovation needs and costs
5. Viewing Management: Schedule and track property viewings
6. Legal Review: Verify legal requirements and documentation

Property Shortlist Management

The Lead Coordinator maintains a structured markdown file (property-shortlist.md) that includes:

• All 14 evaluation parameters for each property
• Team assessment summaries
• Property status tracking
• Decision-making notes

Session Management

• All session data is stored in ~/.claude-swarm/sessions/
• Sessions can be resumed using claude-swarm --session-id [SESSION_ID]
• View active sessions with claude-swarm ps

Example Workflow

1. Initialize Search: “I’m looking for a 4-room HDB flat in Tampines with good MRT access”
2. Market Analysis: Team provides neighborhood analysis and price trends
3. Property Evaluation: Individual properties are assessed using the 14-parameter framework
4. Financial Planning: Complete financial analysis including loans and cash requirements
5. Renovation Assessment: Renovation needs and costs are evaluated
6. Decision Support: Comprehensive recommendation based on all factors

Contributing

This project is designed for Singapore HDB property search. Contributions welcome for:

• Enhanced property evaluation criteria
• Additional market analysis features
• Improved financial calculations
• Better renovation cost estimation
• MCPs for the major property search sites.

License

Refer to LICENSE.md for details.

Screenshots

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