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 cryoprecipitate
Cryoprecipitate bag estimate from the AABB Technical Manual calculation as reprinted in Nascimento 2011: 70 mL/kg bloo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc atropine_op
Eddleston 2004 atropine maintenance infusion after atropinization. infusion_low_mg_h = 0.10 * atropine_load_mg; infusi
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc naloxone_drip
Continuous intravenous naloxone infusion as two-thirds of the caller-assigned reversal bolus each hour (Goldfrank 1986
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc fomepizole
Adult IV fomepizole milligrams from weight (AACT 1999). Loading 15 mg/kg. Maintenance 10 mg/kg every 12 hours for four
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc plasma_dosage
Starting plasma volume without major bleeding: volume_ml = 15 * weight_kg (BSH Green 2018). Adult 15 mL/kg only. Not a
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc alteplase_stroke
NINDS 1995 IV alteplase milligram arithmetic from weight: total_mg = min(0.9 × weight_kg, 90), 10% bolus, 90% infusion
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rhig
ACOG Practice Bulletin 181 RhD immune globulin vial arithmetic. fmh_ml = fetal_cells_percent/100 * maternal_blood_volu
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc kasymjanova
Kasymjanova 2010 prognostic index for advanced NSCLC from caller-supplied CRP in mg/L and WBC in ×10^9/L. CRP is eleva
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ap_prediction
Jin 2018 ED model for early diagnosis of acute pancreatitis when lipase is at least 3x ULN. Integer points: prior epis
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc meld_3
Kim 2021 MELD 3.0 from sex, bilirubin, INR, creatinine, sodium, albumin, and dialysis. meld_3 = round(1.33*(female) +
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc dad_ckd
Mocroft 2015 D:A:D full CKD risk score (Table 2 integer points only): IDU, hepatitis C, age, caller-assigned eGFR >60,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pregnancy_due_dates
Pregnancy estimated due date from a certain LMP using ACOG Committee Opinion 700 Naegele: edd_days_from_lmp = 280 + (c
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mtoq_4
Lipton 2015 mTOQ-4 from four caller-assigned frequency items: pain-free within 2 hours, one dose keeps headache away ≥
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc bam
Cacciola 2013 Brief Addiction Monitor (BAM; public-domain VA instrument). Three subscales only: Use (items 4+5+6, 0-90
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc estimated_ethanol
Fasting Watson 1981 theoretical Co from ingested ethanol grams and sex-specific Watson 1980 total body water. Blood-wa
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc finnegan
Modified Finnegan NAS from Maguire 2013 Table 1 (operational modified FNAS; not a 31-item website variant; not Maguire
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc prs
Lipsett 2022 Pneumonia Risk Score for children 3 months to 18 years: logistic probability of radiographic pneumonia fr
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc macs
Body 2014 MACS ACS probability from caller-assigned ECG ischaemia, worsening angina, right-arm radiation, vomiting, ob
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rads
Oh 2012 radiologist's score (RADS) on one 1-cm axial chest CT slice. Four quadrants (not eight). Each quadrant worst f
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rse
Bateman 2015 Risk Score for Exacerbations (RSE): Table II normalized points from BMI >=30 (14), ACQ-5 (<1.5=0; 1.5 to
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc menza
Menza 2009 HIV-acquisition score for MSM. Four caller-assigned flags: meth or poppers in the prior 6 months (11), curr
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc vacs_1
Tate 2013 VACS Index 1.0 (not VACS 2.0): age, CD4, HIV-1 RNA, hemoglobin g/dL, caller-assigned FIB-4 and eGFR, and hep
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc shanghai
Antzelevitch 2016 Shanghai Score System (Table 2) for Brugada syndrome. Caller assigns ECG (spontaneous type 1 3.5, fe
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hcc_ld
Citterio 2016 JAMA Surgery hierarchic classes for liver decompensation after HCC resection from caller-assigned portal
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hii
Hack 2014 H-Impairment Index (HII). Five caller-assigned bedside tasks (gross motor, mentation and speech, tracing cur
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ribs
Buchholz 2023 Revised Intensity Battle Score: 2.275 per fractured rib level, 4.08 chest tube, 1.525 pulmonary contusio
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc idf_dar
Hassanein 2021 IDF-DAR fasting risk table: type 1 scores 1; duration ≥10 scores 1; hypoglycemia 0/1/3.5/5.5/6.5; HbA1c
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc cp_aki
Gupta 2024 Figure 2 simple CP-AKI score after first IV cisplatin: age, hypertension, diabetes, current or former smoki
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc reveal_pah
Benza 2019 REVEAL 2.0: start at 6; add published points for etiology (CTD +1, PoPH +3, heritable +2), male >60, renal
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mbig
Khan 2020 modified Brain Injury Guidelines (mBIG), not original Joseph 2014 BIG. First-match worst-wins tier 3 then 2
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pompe_c
Kline 2012 POMPE-C 30-day mortality probability for active cancer plus acute PE. Logistic from DNR, respiratory distre
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hypoglycemia_risk_score
Karter 2017 Figure 2 T2D 12-month hypoglycemia-related ED/hospital-use risk from prior_hypo_ed_hospital_count (0-20),
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc leibovich_2018
Leibovich 2018 histology-specific RCC models after surgery. Required histology clear_cell, papillary, or chromophobe.
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc brescia_covid
Duca 2020 Brescia-COVID Respiratory Severity Scale testing-criteria count: four caller-assigned binaries (wheezing or
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc nci_ctc_stomatitis
NCI CTC v2.0 stomatitis/pharyngitis (Trotti 2000). none → 0; painless_or_mild_soreness → 1; painful_can_eat → 2; painf
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc irae_hypothyroidism
Brahmer 2018 ASCO Table 4.1.1 irAE primary hypothyroidism grade from tsh_miu_l (0.01-150 mIU/L) and three caller-assig
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc irae_diabetes
Brahmer 2018 ASCO Table 4.4 irAE diabetes from glucose_mg_dl (50-1000, mg/dL only) plus caller ketosis, t1dm, severe_u
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc up_to_7
Mazzaferro 2009 Up-to-seven: meets_up_to_seven is true iff tumor_count plus largest_cm is 7 or less and microvascular_
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc irae_nephritis
ASCO 2018 (Brahmer) irAE nephritis grade from creatinine vs baseline (mg/dL). First-match: 4 if dialysis or life-threa
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc nci_ctc_mucositis
NCI CTC v2.0 Mucositis due to radiation (Trotti 2000). none → 0; erythema → 1; patchy_pseudomembrane (≤1.5 cm, noncont
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc irae_colitis
Brahmer 2018 ASCO Table 2.1 irAE colitis grade from stools_over_baseline (0-40) and four caller-assigned flags. First-
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc metroticket_2
Mazzaferro 2018 Metroticket 2.0 AFP-adjusted-to-HCC-size 70% 5-year HCC-specific survival criteria. meets_70pct_hcc_sp
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc irae_pneumonitis
Brahmer 2018 ASCO Table 3.1 irAE pneumonitis. First-match: G4 life-threatening respiratory compromise; else G3 hospita
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc eat_sleep_console
Grossman 2018 Eat, Sleep, Console functional assessment. well_managed iff eat ≥1 oz per feed or breastfeed well, sleep
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc icc_pmf
ICC 2022 prefibrotic and overt PMF (Arber 2022). Diagnosed iff 3 majors and ≥1 minor. Majors: megakaryocyte morphology
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mrecist
Lencioni 2010 mRECIST for typical intrahepatic HCC target lesions. First-match: PD if new_lesion or a 20% or greater v
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc reynolds
Ridker JAMA 2007 Reynolds Risk Score, women Model B only: 10-year CVD percent from age, SBP, hsCRP, total cholesterol,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc fleischner_2017
MacMahon 2017 Fleischner table for one solid noncalcified incidental nodule. size_mm 1-30 and caller-assigned high_ris
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc imwg_response
Kumar 2016 IMWG measurable serum+urine M-protein response. First-match PD, sCR, CR, VGPR, PR, MR, or SD from caller-as
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc icc_sm
ICC 2022 systemic mastocytosis (Arber 2022). Met when major infiltrates (≥15 tryptase- and/or CD117-positive MCs in ag
answers 402 $0.005 base v2 POST 37d ago
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