price_to_rent_ratio
Compute the buy-vs-rent price-to-rent ratio for a US metro or state: Zillow home value (ZHVI) divided by annualized rent (ZORI x 12). Returns the ratio plus a rule-of-thumb signal (below ~15 favors buying, above ~20 favors renting). Premium synthesis over the real-estate market store. Rule-of-thu...
This record as markdown: /tools/io-github-blackboxfoundry-livedatalink/price-to-rent-ratio.md
What price_to_rent_ratio does on Livedatalink
AI agents call price_to_rent_ratio to retrieve information from Livedatalink without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
region | string | Yes | Metro or state name/id (e.g. 'Austin, TX', 'California', or a Zillow region id). |
region_type | string | — | Optional region type filter: 'metro' or 'state'. |
Parameters from the server's own tool schema.
Why price_to_rent_ratio is rated Low
Even though price_to_rent_ratio only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs price_to_rent_ratio safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Livedatalink, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For price_to_rent_ratio, this is the rule to start with:
price_to_rent_ratio is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Livedatalink, apply this rule, and every price_to_rent_ratio call is checked against it from then on.
Questions about price_to_rent_ratio
Compute the buy-vs-rent price-to-rent ratio for a US metro or state: Zillow home value (ZHVI) divided by annualized rent (ZORI x 12). Returns the ratio plus a rule-of-thumb signal (below ~15 favors buying, above ~20 favors renting). Premium synthesis over the real-estate market store. Rule-of-thumb only, not financial advice. It is categorised as a Read tool in the Livedatalink MCP Server, which means it retrieves data without modifying state.
price_to_rent_ratio accepts 2 parameters: region, region_type. Required: region. The full parameter table on this page comes from the server's own tool schema.
Register the Livedatalink MCP server in PolicyLayer and add a rule for price_to_rent_ratio: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Livedatalink. Nothing to install.
price_to_rent_ratio is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the price_to_rent_ratio rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for price_to_rent_ratio. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
price_to_rent_ratio is provided by the Livedatalink MCP server (https://livedatalink.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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