analyze_market_comps

THE RISK

Low Risk

Why analyze_market_comps needs a policy

This tool retrieves and analyzes existing market data and comparable properties to provide investment metrics and analysis. It performs read-only queries of real estate market information with no side effects, data modification, or irreversible actions. The tool fits the 'Read' category as it searches, analyzes, and reports on data without creating, modifying, or deleting records.

From the tool's definition Tool name 'analyze_market_comps' and description 'Analyze market conditions with comparable property analysis, CMA, and investment metrics' indicate data retrieval and analysis operations.

Documented attack patterns abuse exactly the kind of access analyze_market_comps gives an agent:

POLICY

How to control analyze_market_comps

PolicyLayer is an MCP gateway — it sits between your AI agents and RealVest Real Estate MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for analyze_market_comps:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "analyze_market_comps": {}
  }
}

analyze_market_comps is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register RealVest Real Estate MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about analyze_market_comps

What does the analyze_market_comps tool do? +

Analyze market conditions with comparable property analysis, CMA, and investment metrics. It is categorised as a Read tool in the RealVest Real Estate MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on analyze_market_comps? +

Register the RealVest Real Estate MCP Server MCP server in PolicyLayer and add a rule for analyze_market_comps: 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 RealVest Real Estate MCP Server. Nothing to install.

What risk level is analyze_market_comps? +

analyze_market_comps is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit analyze_market_comps? +

Yes. Add a rate_limit block to the analyze_market_comps 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.

How do I block analyze_market_comps completely? +

Set action: deny in the PolicyLayer policy for analyze_market_comps. 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.

What MCP server provides analyze_market_comps? +

analyze_market_comps is provided by the RealVest Real Estate MCP Server MCP server (sigaihealth/realvestmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every RealVest Real Estate MCP Server tool call.

Start from RealVest Real Estate MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →