# `compare_premises`

> **Casafari is the AI agent-native real estate data intelligence platform.** The most complete property index in Europe: a deduplicated, cleaned property graph of residential and commercial property, for sale and for rent, in 16 countries. Every property is one record with its full price and market history. [How the property graph is built](/docs/property-graph).

Compare premises. Product: [Claro AI](/docs/claro).

Call it as `compare_premises` on Claro AI's own server, not through `https://mcp.casafari.com/`. Its address on the platform is `https://platform.casafari.com/mcp/claro`: Streamable HTTP, a platform API key or the platform's OAuth, metered in platform units.

Over REST: [`POST /v1/compare`](/docs/rest/claro/compare-premises) (equivalent). [MCP and REST compared](/docs/parity#claro-ai).

## What does Compare premises do?

2 to 10 premises side by side, by the ids a search returned.

## Which parameters does compare_premises take?

- `ids` (string[], required) 2–10 items.

## How do I call compare_premises?

Required arguments only, with placeholder values; see the parameters above for real ones.

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "compare_premises",
    "arguments": {
      "ids": [
        "…"
      ]
    }
  }
}
```

## Related pages

- [Search commercial premises (search_premises)](/docs/claro/search_premises)
- [Refine a search (refine_search)](/docs/claro/refine_search)
- [Get one premises (get_premises)](/docs/claro/get_premises)
- [What premises ask in a place (market_snapshot)](/docs/claro/market_snapshot)
- [Claro AI: all its MCP tools and REST operations](/docs/claro)
- [Connect Claro to an MCP client](/docs/claro/connect)