mortgage_points_breakeven
Mortgage Points Breakeven Calculator — Should you buy mortgage discount points? Monthly savings, points cost in dollars, and the breakeven month.
This record as markdown: /tools/com-wingmanprotocol-agent-gateway/mortgage-points-breakeven.md
What mortgage_points_breakeven does on Gateway
AI agents call mortgage_points_breakeven to retrieve information from Gateway without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
points | number | Yes | Number of discount points being bought |
base_rate | number | Yes | Interest rate WITHOUT points, as a DECIMAL (0.07 = 7%) |
term_years | number | — | Loan term in years (default 30) |
loan_amount | number | Yes | Loan principal in USD |
cost_pct_per_point | number | — | Cost per point as a percent of loan amount (default 1.0) |
rate_reduction_per_point | number | — | Rate reduction per point, as a decimal (default 0.0025 = 0.25%) |
Parameters from the server's own tool schema.
Why mortgage_points_breakeven is rated Low
This is a computational tool that performs financial calculations and returns analysis results to help users make decisions. It does not execute actual financial transactions, move money, modify accounts, or create binding financial obligations. It is analogous to other calculators on the server (age_calculator, amortization_schedule, annuity). The output is read-only advisory information.
From the tool's definition Tool calculates and returns mortgage points breakeven analysis (monthly savings, points cost, breakeven month).
Attacks that exploit this kind of access
The rule that runs mortgage_points_breakeven safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mortgage_points_breakeven, this is the rule to start with:
mortgage_points_breakeven 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 Gateway, apply this rule, and every mortgage_points_breakeven call is checked against it from then on.
Questions about mortgage_points_breakeven
Mortgage Points Breakeven Calculator — Should you buy mortgage discount points? Monthly savings, points cost in dollars, and the breakeven month. It is categorised as a Read tool in the Gateway MCP Server, which means it retrieves data without modifying state.
mortgage_points_breakeven accepts 6 parameters: points, base_rate, term_years, loan_amount, cost_pct_per_point, rate_reduction_per_point. Required: points, base_rate, loan_amount. The full parameter table on this page comes from the server's own tool schema.
Register the Gateway MCP server in PolicyLayer and add a rule for mortgage_points_breakeven: 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 Gateway. Nothing to install.
mortgage_points_breakeven 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 mortgage_points_breakeven 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 mortgage_points_breakeven. 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.
mortgage_points_breakeven is provided by the Gateway MCP server (https://wingmanprotocol.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Gateway, and thousands of servers like it.
This server
Across the catalogue