the402 x402 endpoint directory

MCP servers, called rather than listed · we called 16,923 of them · search their tools

Every x402 endpoint we can find, each one called to see what it actually answers and what it quotes. Other directories list what providers claim. This one reports what the endpoint did when we asked it, and says plainly where we could not tell.

Last verified 2026-10-13. We parse the payment challenge, we do not complete a payment.

EndpointStatusPriceNetworkSpecChecked
api.magentlab.com calc astct_crs
Lee 2019 ASTCT CRS Table 1 grade 0-4. Fever (>=38 C, not another cause) with both axes none is grade 1. fever_waived a
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ball
Soumerai 2019 BALL score for relapsed or refractory CLL. Four caller-assigned 1-point flags (max 4): beta-2-microglobu
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc msoar
mSOAR (Abdul-Rahim 2016 Stroke): SOAR plus NIHSS for early mortality after acute stroke. Age ≤65 0, 66-85 1, >85 2; in
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc disease_steps
Hohol 1995 Disease Steps: caller-assigned integer 0-6 (normal; mild disability, mild symptoms or signs; moderate disab
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc sich
Cucchiara 2008 sICH after rtPA for ischemic stroke. Four caller-assigned 1-point flags: age >60, baseline NIHSS >10, b
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc nihss
Brott 1989 NIH stroke scale: 15 caller-assigned exam integers including pupillary response (0-2) and plantar reflex (0
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc aua_si
Barry 1992 AUA-SI: seven caller-assigned integers 0-5 for incomplete emptying, frequency, intermittency, urgency, weak
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc dire
Belgrade 2006 DIRE score: Diagnosis, Intractability, and Efficacy each caller-assigned 1-3; Risk is the sum of Psychol
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc baws
Rastegar 2017 Brief Alcohol Withdrawal Scale (BAWS): five caller-assigned integers 0-3 (tremor, diaphoresis, agitation
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc acr_eular_ra
ACR/EULAR 2010 RA classification (Aletaha Table 3). Required: clinical_synovitis true. Score: joint involvement 0/1/2/
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc leiden_arthritis
van der Helm-van Mil 2007 Leiden prediction rule for recent-onset undifferentiated arthritis (Figure 1 / Table 2). Age
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc caspar
Taylor 2006 CASPAR classification criteria for psoriatic arthritis. Required: inflammatory_articular_disease true (joi
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc das28_crp
Wells 2009 DAS28(CRP): 0.56*sqrt(TJC28)+0.28*sqrt(SJC28)+0.014*GH+0.36*ln(CRP+1)+0.96. CRP is mg/L, not SDAI mg/dL. GH
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc das28_esr
Prevoo 1995 DAS28-ESR: 0.56*sqrt(tjc28) + 0.28*sqrt(sjc28) + 0.70*ln(esr_mm_h) + 0.014*gh (0-100 mm VAS, not 0-10 CDAI
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc cdai_ra
Aletaha 2005 Clinical Disease Activity Index (CDAI) for rheumatoid arthritis: SJC28 + TJC28 + patient global (0–10 cm)
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc sdai
Aletaha 2005 Simplified Disease Activity Index (SDAI): sjc28 + tjc28 + patient global (0–10 cm) + evaluator global (0–
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc slicc_sle
SLICC 2012 SLE classification (Petri Table 3). classified iff biopsy-proven lupus nephritis plus ANA or anti-dsDNA, or
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc asas_peripheral_spa
ASAS 2011 peripheral SpA classification (Rudwaleit set 2D / fig 1 + table 5). Required: current arthritis, enthesitis,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc asdas_esr
Lukas 2009 ASDAS-ESR: 0.08*back pain + 0.07*morning stiffness duration + 0.11*patient global + 0.09*peripheral pain/sw
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc asdas_crp
van der Heijde 2009 ASDAS-CRP: 0.12*back pain + 0.06*morning stiffness duration + 0.11*patient global + 0.07*periphera
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pews
Monaghan 2005 Brighton PEWS: behaviour, cardiovascular, and respiratory 0-3 each, plus +2 each for quarter-hourly nebu
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ribscore
Chapman 2016 RibScore from six caller-assigned radiographic flags (≥6 rib fractures, bilateral, flail chest, ≥3 severe
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pediatric_big
Borgman 2011 pediatric trauma BIG score: admission base deficit (mmol/L as published; magent does not flip signed base
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc asrs
Kessler 2005 Adult ADHD Self-Report Scale (ASRS) v1.1 Part A: six caller-assigned 0-4 items (never to very often). wra
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hamilton_depression
Hamilton 1960 17-variable depression rating (not the later 21-item form). Eight caller-assigned 0-4 items and nine 0-2
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hamilton_anxiety
Hamilton 1959 HAM-A: 14 caller-assigned integers 0-4 (0 not present, 1 mild, 2 moderate, 3 severe, 4 very severe) for
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc epds
Cox 1987 EPDS: 10 caller-assigned integers 0-3 (past 7 days). laugh, enjoyment, and anxious are reverse-scored in that
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mdq
Hirschfeld 2000 Mood Disorder Questionnaire (MDQ): thirteen caller-assigned yes/no lifetime manic/hypomanic items, 1 p
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mdi
Bech 2001 MDI: 12 caller-assigned integers 0-5 (at no time to all the time, last 2 weeks) covering 10 ICD-10/DSM-IV de
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc qids
Rush 2003 QIDS-SR16 from 16 caller-assigned integers 0-3 mapped to nine DSM-IV domains. Sleep is the max of four sleep
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pc_ptsd_5
Prins 2016 PC-PTSD-5: caller-assigned lifetime trauma-exposure gate plus five past-month yes/no items (nightmare/intru
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc smast
Selzer 1975 13-item Short Michigan Alcoholism Screening Test (SMAST). Caller-assigned yes/no items; score is the count
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc g8
Bellera 2012 G8 geriatric screening tool: seven MNA items (A, B, C, E, F, H, P) plus age. Food intake 0–2, weight loss
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc nedocs
Weiss 2004 National ED Overcrowding Study (NEDOCS) reduced five-variable model: ED patients indexed to ED beds, boardi
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc heads_ed
Cappelli 2012 HEADS-ED from seven caller-assigned 0-2 domains (Home, Education, Activities/peers, Drugs/alcohol, Suici
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pedsrc
PedSRC blunt abdomen (Streck 2017). Very low risk of blunt intra-abdominal injury only when none of five caller-assign
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc infant_scalp
Greenes 2001 infant scalp score: age points (0-2 months → 3; 3-5 → 2; 6-11 → 1; 12-24 months → 0) plus caller-assigned
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc chip
Smits 2007 CHIP rule (adults ≥16, GCS 13-15). CT if ≥1 major (pedestrian/cyclist vs vehicle, ejected, vomiting, PTA ≥4
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pe_sard
Chopard 2021 PE-SARD score for early major bleeding in acute pulmonary embolism. Three caller-assigned flags: syncope
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc improve_bleed
Decousus 2011 IMPROVE admission bleeding-risk score: ulcer 4.5, prior bleeding 4, platelets <50 4, age >=85 3.5, hepat
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pediatric_sirs
Goldstein 2005 pediatric SIRS from age-group HR, RR, WBC, and core temperature. Present when ≥2 of 4 Table 3 criteria
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc piro_cap
Rello 2009 PIRO score for ICU community-acquired pneumonia: comorbidities (COPD or immunocompromise count as one featu
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc framingham_chd
Wilson 1998 Framingham 10-year CHD from sex-specific total-cholesterol point sheets: age 30-74, TC, HDL, JNC-V blood p
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc myxedema_coma
Popoveniuc 2014 myxedema coma points from caller-assigned bands: thermoregulatory 0/10/20; CNS 0/10/15/20/30; GI 0/5/1
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc cambridge_diabetes
Griffin 2000 Cambridge logistic risk of undetected type 2 diabetes. p = 1/(1+e^(-λ)); λ = -6.322 - 0.879 if female + 1
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc kruis
Kruis 1984 weighted IBS versus organic score. History: pain/flatulence/irregularity triad +34, duration >2 years +16,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc wexner_constipation
Agachan 1996 constipation scoring system from eight caller-assigned table bands (frequency, painful evacuation, incomp
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc egus
Brindle 2021 Edinburgh gastric ulcer score (human gastric ulcer at index OGD): age <68 → 0, 68-79 → 1, ≥80 → 2; size <
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc aih_original
Alvarez 1999 revised original IAIHG AIH score, not Hennes 2008 simplified. Caller-assigned sex, ALP:AST/ALT ratio, glo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc t_macs
Body 2016 T-MACS logistic ACS probability from caller-assigned ECG ischaemia, worsening angina, right-arm radiation, v
answers 402 $0.005 base v2 POST 37d ago
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