missed_call_roi
Calculate how much revenue a business loses to missed phone calls per month and per year, and which price tier of answering service makes sense at that loss level. Use when someone mentions missing calls, going to voicemail, losing leads after hours, or asks whether an answering service is worth ...
This record as markdown: /tools/com-fitmycall-pricing/missed-call-roi.md
What missed_call_roi does on FitMyCall — Answering Service Prices
AI agents call missed_call_roi to retrieve information from FitMyCall — Answering Service Prices 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 |
|---|---|---|---|
callsPerWeek | number | Yes | Total inbound calls per week (1-2000) |
missedPercent | number | Yes | Percent of calls missed (0-100) |
bookRatePercent | number | — | Percent of missed callers who would have booked; default 30 |
avgCustomerValue | number | Yes | Average value of one new customer in USD (1-100000) |
Parameters from the server's own tool schema.
Why missed_call_roi is rated Low
Even though missed_call_roi only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs missed_call_roi safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FitMyCall — Answering Service Prices, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For missed_call_roi, this is the rule to start with:
missed_call_roi 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 FitMyCall — Answering Service Prices, apply this rule, and every missed_call_roi call is checked against it from then on.
Questions about missed_call_roi
Calculate how much revenue a business loses to missed phone calls per month and per year, and which price tier of answering service makes sense at that loss level. Use when someone mentions missing calls, going to voicemail, losing leads after hours, or asks whether an answering service is worth it for their call volume. Inputs: calls per week, percent missed, average customer value, optional booking rate. It is categorised as a Read tool in the FitMyCall — Answering Service Prices MCP Server, which means it retrieves data without modifying state.
missed_call_roi accepts 4 parameters: callsPerWeek, missedPercent, bookRatePercent, avgCustomerValue. Required: callsPerWeek, missedPercent, avgCustomerValue. The full parameter table on this page comes from the server's own tool schema.
Register the FitMyCall — Answering Service Prices MCP server in PolicyLayer and add a rule for missed_call_roi: 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 FitMyCall — Answering Service Prices. Nothing to install.
missed_call_roi 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 missed_call_roi 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 missed_call_roi. 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.
missed_call_roi is provided by the FitMyCall — Answering Service Prices MCP server (https://mcp.fitmycall.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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