{"uid":"cap_EulMKMlvJEsTGVNPGKrvK","slug":"magent-amt-4-cognitive-score-calculator-21088760","name":"magent AMT-4 Cognitive Score Calculator","description":"AMT-4 (Swain 1997): four caller-assigned flags for age, date of birth, place, and year. Each correct item scores 1; max 4. Impaired cognition is indicated when the score is less than 4 (0–3 impaired; 4 not impaired). Flags only; magent does not interview the patient or collect a date of birth, age, place name, or year. Not a dementia diagnosis and not a medical device. Not Hodkinson 1972 AMT-10.","url":"https://api.magentlab.com/api/calc/amt_4","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["age_correct","dob_correct","place_correct","year_correct"],"properties":{"age_correct":{"type":"boolean","description":"Caller-assigned flag: age stated correctly (Swain 1997 AMT-4). true scores 1; false scores 0. magent does not interview the patient and does not collect an age."},"dob_correct":{"type":"boolean","description":"Caller-assigned flag: date of birth stated correctly (Swain 1997 AMT-4). true scores 1; false scores 0. magent does not collect a date of birth."},"year_correct":{"type":"boolean","description":"Caller-assigned flag: current year stated correctly (Swain 1997 AMT-4). true scores 1; false scores 0. magent does not collect a year."},"place_correct":{"type":"boolean","description":"Caller-assigned flag: place stated correctly (Swain 1997 AMT-4). true scores 1; false scores 0. magent does not collect a place name."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1L_19fARogyoUZ84qOd3b","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the Swain 1997 AMT-4 abbreviated mental test score (0–4) from four caller-assigned boolean flags for age, date of birth, place, and year correctness.","exampleAgentPrompt":"My patient correctly stated their age and date of birth but got the place and year wrong — can you calculate their AMT-4 score and tell me if that indicates cognitive impairment?","exampleUseCases":[{"title":"ED triage cognitive screening","prompt":"I just screened a patient in the emergency department: they got their age right, their date of birth right, and the place right, but they couldn't name the current year. What's their AMT-4 score and does that count as impaired?"},{"title":"Care home admission assessment","prompt":"We assessed a new resident — they correctly identified their age and the current year but were wrong about their date of birth and the place name. Can you compute their Swain AMT-4 score?"},{"title":"Automated ward round documentation","prompt":"For this ward patient, all four AMT-4 items were answered correctly — age, date of birth, place, and year all right. Please calculate the AMT-4 score so I can record it in the notes."}],"resultDescription":"Returns an integer AMT-4 score (0–4) reflecting the sum of the four boolean flags, plus an impairment classification: a score of 0–3 indicates impaired cognition and a score of 4 indicates not impaired. Does not provide a dementia diagnosis and does not represent a medical device output.","failureModes":["Missing required query parameter (age_correct, dob_correct, place_correct, or year_correct) — likely returns 4xx error","Non-boolean value passed for a flag — schema validation error","Network timeout or server error returning 5xx","Payment failure via x402 protocol resulting in 402 response"],"whenToPreferThis":"Use this endpoint when you need to programmatically score the Swain 1997 four-item AMT (AMT-4) and already have caller-assigned correctness flags for the four items. This is specifically the four-item abbreviated version (not the Hodkinson 1972 AMT-10), making it appropriate for rapid cognitive screening scenarios. Choose this over a full AMT-10 scorer when brevity is required or the clinical protocol specifies AMT-4.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:40:40.580Z","isFirstParty":false}