Get price quotes for specific procedure codes, grouped by hospital. This is the most detailed pricing tool. Provide exact CPT/HCPCS codes and get per-hospital price estimates with totals. Supports insurance filtering and geographic search. Default location is San Jose, CA if no coordinates provid...
Risk signalsHigh parameter count (11 properties)
Part of the MedRates server.
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AI agents call price_quote to retrieve information from MedRates without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though price_quote only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"price_quote": {}
}
}See the full MedRates policy for all 6 tools.
These attack patterns abuse exactly the kind of access price_quote gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Get price quotes for specific procedure codes, grouped by hospital. This is the most detailed pricing tool. Provide exact CPT/HCPCS codes and get per-hospital price estimates with totals. Supports insurance filtering and geographic search. Default location is San Jose, CA if no coordinates provided — always pass the user's location for best results. NOTE: Quotes are from US HOSPITALS only — not non-US providers, independent imaging centers, ambulatory surgery centers (ASCs), or other freestanding facilities. For outpatient procedures, independent facilities often cost significantly less than hospital outpatient departments. Args: codes: Comma-separated CPT/HCPCS codes (e.g. "70551,70552,70553"). lat: Patient latitude — always provide the user's location for best results. lng: Patient longitude — always provide the user's location for best results. radius_miles: Search radius in miles (default 25). payer: Insurance company name to filter rates (e.g. "Blue Cross", "Aetna"). plan_type: Insurance plan type (e.g. "PPO", "HMO", "Indemnity"). plan_category: Plan category filter (e.g. "Commercial", "Medicare", "Medicaid"). plan_name: Specific plan name for exact matching. drg_codes: Comma-separated MS-DRG codes for inpatient bundled pricing. include_bundle: If true, also include ancillary procedure codes (anesthesia, facility fees, etc.) in the total estimate. limit: Max hospitals to return (default 5). Returns: JSON with hospitals sorted by total estimated cost. Each hospital includes individual line items, total estimate, and distance. When a payer is specified, negotiated/estimated-rate items include plan_category (Commercial, Medicare, Medicaid, Other). Items priced from cash/standard charges only will not have plan_category.. It is categorised as a Read tool in the MedRates MCP Server, which means it retrieves data without modifying state.
Register the MedRates MCP server in PolicyLayer and add a rule for price_quote: 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 MedRates. Nothing to install.
price_quote 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 price_quote 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 price_quote. 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.
price_quote is provided by the MedRates MCP server (https://mcp.medrates.fyi/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 6 MedRates tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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