AI agents call mortgage_rates to retrieve information from CorteX402 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only data retrieval tool that queries current mortgage rates. While the server processes financial transactions (USDC settlement), this specific tool does not move money, execute code, or modify data. The confidence is slightly reduced (0.85 rather than higher) due to empty description, but the name and sibling tools strongly suggest a simple data lookup without side effects.
From the tool's definition Tool name 'mortgage_rates' and server context indicate data retrieval of mortgage rate information. Server provides 'data products' including 'mortgage rates' alongside other read-only queries like 'aviation weather', 'property dossier', 'wallet balance', and…
Attacks that exploit this kind of access
mortgage_rates. It is categorised as a Read tool in the CorteX402 MCP Server, which means it retrieves data without modifying state.
Register the CorteX402 MCP server in PolicyLayer and add a rule for mortgage_rates: 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 CorteX402. Nothing to install.
mortgage_rates 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 mortgage_rates 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 mortgage_rates. 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.
mortgage_rates is provided by the CorteX402 MCP server (ooak21/cortex402-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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