get_correlation_matrix
AI agents call get_correlation_matrix to retrieve information from ModelRisk MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to retrieve existing model data (correlation matrix) for analysis or reporting purposes. Sibling tools like 'get_cell', 'get_simulation_results', and 'get_workbook_summary' all perform read-only data retrieval. There is no indication this tool modifies, deletes, or executes operations.
From the tool's definition Tool name 'get_correlation_matrix' indicates retrieval of correlation data from a risk model. No description provided, but the name and context (Monte Carlo risk modeling in Excel) suggest this queries or fetches pre-calculated correlation metrics without…
Attacks that exploit this kind of access
get_correlation_matrix. It is categorised as a Read tool in the ModelRisk MCP MCP Server, which means it retrieves data without modifying state.
Register the ModelRisk MCP server in PolicyLayer and add a rule for get_correlation_matrix: 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 ModelRisk MCP. Nothing to install.
get_correlation_matrix 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 get_correlation_matrix 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 get_correlation_matrix. 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.
get_correlation_matrix is provided by the ModelRisk MCP server (vosesoftware/modelrisk-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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