Generate a downloadable Excel (.xlsx) underwriting model with LIVE formulas — editable assumptions, PMT/FV amortization, IRR, equity multiple, a sensitivity grid, live Fed rates, and (if an address is given) Census trade-area demographics. Returns a download link valid for 60 minutes.
AI agents use export_dcf_excel to create or update resources in CRE Intelligence MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CRE Intelligence MCP environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
address | object | — | Optional property address — adds a demographics sheet |
loan_rate | object | — | Loan rate % — default live SOFR + 175bps |
noi_year1 | number | Yes | Year 1 Net Operating Income ($) |
equity_pct | number | — | Equity as % of price (default 35) |
hold_years | integer | — | Hold period (default 10) |
exit_cap_rate | object | — | Exit cap % — default entry cap + 25bps |
property_name | object | — | Optional label for the model header |
purchase_price | number | Yes | Acquisition price ($) |
noi_growth_rate | number | — | Annual NOI growth % (default 3.0) |
amortization_years | integer | — | Amortization (default 30) |
Parameters from the server's own tool schema.
This tool creates a new Excel file (reversible output) containing financial modeling data. While it generates and exports data, it does not permanently alter underlying systems or execute arbitrary code—it produces a user-accessible file that can be edited or discarded.
From the tool's definition The tool description states it "Generate[s] a downloadable Excel (.xlsx) underwriting model" with "editable assumptions" and "Returns a download link". This involves creating and generating a new file artifact that modifies/extends the user's data collection.
Risk signalsHigh parameter count (10 properties)
Attacks that exploit this kind of access
Generate a downloadable Excel (.xlsx) underwriting model with LIVE formulas — editable assumptions, PMT/FV amortization, IRR, equity multiple, a sensitivity grid, live Fed rates, and (if an address is given) Census trade-area demographics. Returns a download link valid for 60 minutes. It is categorised as a Write tool in the CRE Intelligence MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
export_dcf_excel accepts 10 parameters: address, loan_rate, noi_year1, equity_pct, hold_years, exit_cap_rate, property_name, purchase_price, noi_growth_rate, amortization_years. Required: noi_year1, purchase_price. The full parameter table on this page comes from the server's own tool schema.
Register the CRE Intelligence MCP server in PolicyLayer and add a rule for export_dcf_excel: 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 CRE Intelligence MCP. Nothing to install.
export_dcf_excel is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the export_dcf_excel 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 export_dcf_excel. 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.
export_dcf_excel is provided by the CRE Intelligence MCP server (Zwondra/cre-intelligence-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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