RentCast MCP Server
Wraps the RentCast API to search houses for sale, get valuations, rent estimates, and market statistics.
README
RentCast MCP Server
MCP server that wraps the RentCast API to help search for houses for sale, get property valuations, rent estimates, and market statistics.
Setup
# Install dependencies
uv sync
# Set your API key
export RENTCAST_API_KEY="your-api-key-here"
Get an API key at app.rentcast.io.
Running the MCP Server
# stdio transport (default, for Claude Desktop / Claude Code)
uv run rentcast-mcp
# Or directly
uv run python -m rentcast_mcp
Claude Desktop Configuration
Add to your claude_desktop_config.json:
{
"mcpServers": {
"rentcast": {
"command": "uv",
"args": ["--directory", "/path/to/rentcast-mcp", "run", "rentcast-mcp"],
"env": {
"RENTCAST_API_KEY": "your-api-key-here"
}
}
}
}
Tools
| Tool | Description |
|---|---|
search_sale_listings |
Search homes for sale by location, price, beds, baths, sqft, year built |
get_listing_details |
Full details for a specific listing by ID |
get_property_record |
Property records with owner info, tax history, sale history |
get_property_value |
Automated value estimate (AVM) with comparable sales |
get_rent_estimate |
Rental value estimate for investment analysis |
get_market_stats |
Market statistics and price trends for a zip code |
compare_listings |
Side-by-side comparison of multiple listings |
search_recent_sales |
Search recently sold properties (comps) |
CLI Testing
# Search listings
uv run python cli.py search_sale_listings '{"zipCode": "95123", "minBedrooms": 4, "maxPrice": 2100000}'
# Get property value
uv run python cli.py get_property_value '{"address": "5500 Grand Lake Dr, San Antonio, TX, 78244"}'
# Market stats
uv run python cli.py get_market_stats '{"zipCode": "78701"}'
# Rent estimate
uv run python cli.py get_rent_estimate '{"address": "123 Main St, Austin, TX 78701"}'
# Compare listings
uv run python cli.py compare_listings '{"listing_ids": ["id1", "id2"]}'
Rate Limits
Free tier: 50 API calls/month. The server tracks call count per session and warns when approaching the limit.
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