cash_burn_analysis · Excel Finance MCP: Risk & Policy

WHAT IT DOES

What cash_burn_analysis does on Excel Finance MCP

AI agents use cash_burn_analysis to create or update resources in Excel Finance MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Excel Finance MCP environment.

WHY IT NEEDS A POLICY

Why cash_burn_analysis needs a policy

This tool creates or modifies financial analysis artifacts (Excel workbooks with cash burn calculations and runway projections). It does not execute arbitrary external code, delete data irreversibly, or move money directly. The primary impact is generating new financial documents/calculations, which is reversible.

From the tool's definition Tool is part of 'Excel Finance MCP' which 'Enables comprehensive Excel operations and financial calculations' and 'Supports creating Excel workbooks with advanced financial formulas'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cash_burn_analysis Rate-limited

cash_burn_analysis stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cash_burn_analysis": {
      "limits": [
        {
          "counter": "cash_burn_analysis_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Excel Finance MCP, so you can run agents against it safely.

FAQ

Questions about cash_burn_analysis

What does the cash_burn_analysis tool do? +

Analyze cash burn rate and calculate runway. It is categorised as a Write tool in the Excel Finance MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cash_burn_analysis? +

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

What risk level is cash_burn_analysis? +

cash_burn_analysis is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit cash_burn_analysis? +

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

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

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