Lie Detector Test

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Find polygraph (lie detector) offices, pricing and service info across the US, Canada and the UK.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Lie Detector Test": {
      "url": "https://liedetectortest.com/wp-json/ldt-mcp/v1/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (5)

• find_offices read-only

  Find lie detector (polygraph) test offices near a place. Search by city, state/region, or country (United States, Canada, or United Kingdom). Returns each matching office with its address, all-inclusive prices, and a booking link.

  Parameters:

  • query (required) — string — A city, state/region, or country, e.g. "Miami", "Florida", "London", "Ontario".
  • limit — integer — Maximum offices to return (1-50, default 15).

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• get_pricing read-only

  Get polygraph examination pricing for a location. Returns the all-inclusive price tiers (single person, couple/two-person total, and group per-examinee) and how payment works: there is no booking fee and nothing is paid online or to LieDetectorTest.com — the client pays the examiner directly once the examiner accepts the case.

  Parameters:

  • query (required) — string — A city, state/region, or country, e.g. "Miami", "Texas", "United Kingdom".

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• get_service_info read-only

  Get general information about the lie detector test service: what is offered, how booking works, how payment works, the service area, and what happens after booking. Takes no arguments.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• start_booking

  Send a free, no-obligation lie detector test appointment request for a person, directly to the examiner who covers the chosen location. Nothing is paid online and there is no booking fee: the examiner contacts the person, agrees the date, payment and cancellation terms with them, and the person pays the examiner directly. Only use this when the person has asked you to send the request with these details. Returns a booking reference, the office and a page link where the person can see their examiner (and optionally complete a confidential pre-examination questionnaire). Do not put the person's contact details in any URL.

  Parameters:

  • name (required) — string — Full name of the person to be tested (or the person booking).
  • email (required) — string — Contact email address.
  • location (required) — string — City, state/region or country for the test, e.g. "Miami", "Florida", "London".
  • service_type (required) — string — One of: single (one person), couple (two people), or group (three or more).
  • phone — string — Contact phone number (optional but recommended).
  • reason — string — Short reason/type of test, e.g. "infidelity", "employment", "legal" (optional).
  • preferred_dates — string — Preferred date(s)/time(s), free text, e.g. "Aug 5 afternoon or Aug 8 morning" (optional).

  Hints: read-only no · destructive no · idempotent not declared · open-world yes

• get_booking_status read-only

  Check the status of an existing booking or appointment request by its reference (e.g. LDT-2026072062783). Returns the status and location. Status "request" means the request has been sent to the examiner, who will contact the person directly.

  Parameters:

  • booking_reference (required) — string — The booking reference, e.g. "LDT-2026072062783".

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

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