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The website uses Vercel Web Analytics. It is cookieless. It records aggregate page views: the page path, the referrer, the country, and the device and browser type. It does not identify individual visitors. The page address is recorded without its query string.

The MCP endpoint's logging is unchanged. Modified adjusted gross income and other tool inputs are used only to compute the answer. They are not logged.

Usage logs record the tool name, the timestamp, the result status when a tool returned one, the filing status when the call included one, and a salted hash of the IP address. When a client sends its name and version, those are recorded too. Logs are kept for up to 90 days.

The service is free. It is informational, and it is not tax advice.

Operator: Pass-through Tax Rules (passthroughtax.com). Contact: hello@passthroughtax.com.