calculate_moving_average

ServerMcp Excel
CategoryRead

How to control calculate_moving_average ↓

WHAT IT DOES

What calculate_moving_average does on Mcp Excel

AI agents call calculate_moving_average to retrieve information from Mcp Excel without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why calculate_moving_average needs a policy

This tool analyzes and computes statistical metrics (moving averages) from Excel data for trend analysis and pattern identification. It generates derived values and formulas but does not modify the underlying data, execute arbitrary code, delete records, or trigger external operations.

From the tool's definition Tool performs 'Calculate moving average with specified window size' and 'Returns rows with moving averages and Excel formulas' - a computational analysis operation that derives new values from existing data without modifying, deleting, or executing external…

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

POLICY

How to control calculate_moving_average

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Excel, and nothing reaches the server without passing your rules. This is the rule we recommend for calculate_moving_average:

policy.json

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

calculate_moving_average 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 Mcp Excel — 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

More Mcp Excel tools

Execute calculate_expression Calculate expression between columns (e.g., Read aggregate Perform aggregation (sum, mean, count, etc.) on a column with optional filters. Returns ag Read analyze_overlap Analyze overlap between multiple filter sets (Venn diagram analysis). Returns intersection Read calculate_period_change Calculate period-over-period change (month/quarter/year). Returns periods with values, abs Read calculate_running_total Calculate running total (cumulative sum) ordered by a column. Supports grouping for per-ca Read compare_sheets Compare data between two sheets using a key column. Returns rows with differences and stat Read correlate Calculate correlation matrix between multiple columns (supports 2+ columns). Supports pear Read detect_outliers Detect outliers in a column using IQR or Z-score method. Returns outlier rows with indices

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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 calculate_moving_average

What does the calculate_moving_average tool do? +

Calculate moving average with specified window size. Useful for trend analysis and smoothing data. Returns rows with moving averages and Excel formulas. Use for: trend detection, noise reduction, smoothing time series, pattern identification, signal processing. EXAMPLES: 7-day moving average of daily sales, 30-day moving average of stock price, 3-month moving average of temperature, Smoothing sensor readings. It is categorised as a Read tool in the Mcp Excel MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on calculate_moving_average? +

Register the Mcp Excel MCP server in PolicyLayer and add a rule for calculate_moving_average: 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 Mcp Excel. Nothing to install.

What risk level is calculate_moving_average? +

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

Can I rate-limit calculate_moving_average? +

Yes. Add a rate_limit block to the calculate_moving_average 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 calculate_moving_average completely? +

Set action: deny in the PolicyLayer policy for calculate_moving_average. 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 calculate_moving_average? +

calculate_moving_average is provided by the Mcp Excel MCP server (jwadow/mcp-excel). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Excel tool call.

Start from Mcp Excel, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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25 Mcp Excel tools catalogued and risk-classified — across an index of 43,000+ MCP servers.