correlation_matrix

A read tool on the MetaTrader5 MCP server.

SERVERMetaTrader5 MCP Server SOURCEemerzon/mt-data-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/emerzon-mt-data-mcp/correlation-matrix.md

WHAT IT DOES

What correlation_matrix does on MetaTrader5 MCP Server

AI agents call correlation_matrix to retrieve information from MetaTrader5 MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why correlation_matrix is rated Low

Correlation matrix computation retrieves and analyzes existing data without modifying, deleting, or executing trades. No side effects or financial transactions involved. The empty description reduces confidence slightly, but the analytical context and naming convention strongly indicate a data analysis (Read) function rather than a trading action (Execute/Financial).

From the tool's definition Tool named 'correlation_matrix' with empty description. Based on server context providing 'technical indicators' and sibling tools like 'cointegration_test' and 'causal_discover_signals', this tool computes statistical correlations from market data—a…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs correlation_matrix safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MetaTrader5 MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For correlation_matrix, this is the rule to start with:

correlation_matrix Allowed

correlation_matrix is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MetaTrader5 MCP Server, apply this rule, and every correlation_matrix call is checked against it from then on.

FAQ

Questions about correlation_matrix

What does the correlation_matrix tool do? +

correlation_matrix is a read tool on the MetaTrader5 MCP Server MCP server. It is categorised as a Read tool in the MetaTrader5 MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on correlation_matrix? +

Register the MetaTrader5 MCP Server MCP server in PolicyLayer and add a rule for 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 MetaTrader5 MCP Server. Nothing to install.

What risk level is correlation_matrix? +

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

Can I rate-limit correlation_matrix? +

Yes. Add a rate_limit block to the 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.

How do I block correlation_matrix completely? +

Set action: deny in the PolicyLayer policy for 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.

What MCP server provides correlation_matrix? +

correlation_matrix is provided by the MetaTrader5 MCP Server MCP server (emerzon/mt-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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