market_affordability
Returns home-price-to-income ratio, rent-to-income %, live 30-yr mortgage estimate + verdict for any US state or ZIP. Re Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/com-gocreativeai-omnicall-agent-tools/market-affordability.md
What market_affordability does on Omnicall — Agent Tools Gateway
AI agents call market_affordability to retrieve information from Omnicall — Agent Tools Gateway 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 |
|---|---|---|---|
arg | string | Yes |
Parameters from the server's own tool schema.
Why market_affordability is rated Low
market_affordability retrieves and aggregates real estate market information from public data sources. It performs no write operations (no data modification), no execution of arbitrary code or external actions, no destructive operations, and no financial transactions (only displays cost estimates and mortgage calculations as informational output, not actual money movement).
From the tool's definition Tool description explicitly states it 'Returns' data: home-price-to-income ratio, rent-to-income %, mortgage estimate, and verdict. These are all read-only queries of financial market data with no modification, deletion, or execution of commands.
Attacks that exploit this kind of access
The rule that runs market_affordability safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Omnicall — Agent Tools Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For market_affordability, this is the rule to start with:
market_affordability 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 Omnicall — Agent Tools Gateway, apply this rule, and every market_affordability call is checked against it from then on.
Questions about market_affordability
Returns home-price-to-income ratio, rent-to-income %, live 30-yr mortgage estimate + verdict for any US state or ZIP. Re Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the Omnicall — Agent Tools Gateway MCP Server, which means it retrieves data without modifying state.
market_affordability accepts 1 parameter: arg. Required: arg. The full parameter table on this page comes from the server's own tool schema.
Register the Omnicall — Agent Tools Gateway MCP server in PolicyLayer and add a rule for market_affordability: 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 Omnicall — Agent Tools Gateway. Nothing to install.
market_affordability 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 market_affordability 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 market_affordability. 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.
market_affordability is provided by the Omnicall — Agent Tools Gateway MCP server (https://omnicall.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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