{"uid":"cap_2pAvPdU-9N40R1pmAhx0O","slug":"magent-clinical-frailty-scale-cfs-calculator-450e7433","name":"magent Clinical Frailty Scale (CFS) Calculator","description":"Rockwood 2005 CSHA Clinical Frailty Scale 1-7 as assigned by the caller (Box 1). Returns cfs, score, max 7, and the published label. Does not implement the later 9-point CFS (8 very severely frail, 9 terminally ill) or CFS 2.0 label changes. Not a diagnosis; magent does not examine the patient.","url":"https://api.magentlab.com/api/calc/cfs","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":["cfs"],"properties":{"cfs":{"type":"integer","description":"Rockwood 2005 CSHA Clinical Frailty Scale 1-7 as assigned by the caller (1 very fit; 2 well; 3 well, with treated comorbid disease; 4 apparently vulnerable; 5 mildly frail; 6 moderately frail; 7 severely frail, completely dependent or terminally ill). magent does not examine the patient. The later 9-point CFS (8 very severely frail, 9 terminally ill) is not accepted."}}}},"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_2yRyesKOD26L8sjFM0IbP","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":"Returns the Rockwood 2005 CSHA Clinical Frailty Scale label and score for a caller-supplied integer 1–7","exampleAgentPrompt":"Look up the Rockwood 2005 Clinical Frailty Scale label for a CFS score of 5.","exampleUseCases":[{"title":"Geriatric triage score labeling","prompt":"My patient was assigned a CFS score of 6 — can you look up the official Rockwood 2005 label for that frailty level?"},{"title":"EHR frailty documentation enrichment","prompt":"I have a list of CFS integers from our geriatric assessments; start with CFS 3 and give me the published CSHA label so I can populate our EHR notes."},{"title":"Clinical decision support display","prompt":"For our surgical pre-op dashboard, look up the Rockwood 2005 frailty description for CFS 4 so we can display it alongside the score."}],"resultDescription":"Returns a JSON object containing the input CFS integer, the numeric score, the maximum possible score (7), and the published Rockwood 2005 CSHA label string (e.g. 'Mildly Frail'). Does not include 9-point CFS entries or CFS 2.0 label revisions.","failureModes":["CFS value outside 1–7 returns an error (8 and 9 from the later 9-point scale are not accepted)","Non-integer or missing cfs query parameter causes a validation error","Payment failure (x402) if USDC payment is not completed"],"whenToPreferThis":"Use this endpoint when you need to resolve a Rockwood 2005 7-point CFS integer to its official published label in a clinical or documentation workflow. Prefer it over manual lookup tables to ensure consistent, authoritative labeling. Not appropriate for the 9-point CFS or CFS 2.0 label variants.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:08:05.812Z","isFirstParty":false}