analyze_correlations
A read tool on the Excel MCP server.
This record as markdown: /tools/aifornorms-excelmcp/analyze-correlations.md
What analyze_correlations does on Excel MCP Server
AI agents call analyze_correlations to retrieve information from Excel MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why analyze_correlations is rated Low
The tool appears to compute statistical correlations within Excel data, which is a non-destructive read operation that retrieves and analyzes existing data. Even if it reads all data in a workbook, it produces no side effects, modifications, or external impacts.
From the tool's definition Tool name 'analyze_correlations' and sibling tools like 'analyze_data', 'analyze_numeric_stats', 'analyze_unique_values', and 'get_random_sample' are all analytical/read-only operations on Excel workbooks.
Attacks that exploit this kind of access
The rule that runs analyze_correlations safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Excel MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For analyze_correlations, this is the rule to start with:
analyze_correlations 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 Excel MCP Server, apply this rule, and every analyze_correlations call is checked against it from then on.
Questions about analyze_correlations
analyze_correlations is a read tool on the Excel MCP Server MCP server. It is categorised as a Read tool in the Excel MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Excel MCP Server MCP server in PolicyLayer and add a rule for analyze_correlations: 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 Excel MCP Server. Nothing to install.
analyze_correlations 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 analyze_correlations 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 analyze_correlations. 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.
analyze_correlations is provided by the Excel MCP Server MCP server (aifornorms/excelmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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