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 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
api.magentlab.com calc mcdonald_2017
2017 McDonald typical CIS (Thompson 2018). mcdonald_ms iff typical_cis and no_better_explanation and: ≥2 attacks with
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc duke_iscvid
2023 Duke-ISCVID (Fowler) IE criteria. Definite if pathologic_definite or clinical_definite (2 major, or 1 major plus
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hiet
High-dose insulin euglycemia therapy (HIET) from Engebretsen 2011: 1 U/kg insulin bolus, then a 1-10 U/kg/h continuous
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mars
Jawhar 2019 mutation-adjusted risk score (MARS) for advanced systemic mastocytosis: age >60 (1), hemoglobin <10 g/dL (
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rest_lgs
Wolf 2024 REST-LGS: four major criteria (+3 each) and four minor (+1 each). Max 16. likely if score > 11, possible if
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc bclc
Reig 2022 BCLC stage 0/A/B/C/D from caller-assigned cancer-related ECOG, preserved liver function, transplant option,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ardsnet_tv
ARDS Network 2000 predicted body weight (PBW) from height and sex, and the lower-tidal-volume arm 6 mL/kg PBW. Male PB
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc tpe
Kaplan 1990 estimated plasma volume for therapeutic plasma exchange: epv_l = 0.065 * weight_kg * (1 - hematocrit_perce
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc smm_22020
Lakshman 2018 2/20/20 smoldering myeloma risk: one point each for BMPC >20%, serum M-protein >2 g/dL, and involved/uni
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc crash
Extermann 2012 CRASH chemotherapy toxicity score (not trauma CRASH): diastolic BP, IADL, LDH versus ULN, caller-assign
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc carg_tt
Hurria 2011 Table 5 CARG toxicity: age ≥72 (+2), GI/GU (+2, not inverted), standard dose (+2), polychemotherapy (+2),
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc priest
Goodacre 2021 PRIEST: NEWS2 Chart 1 Scale 1 vitals (RR, SpO2 Scale 1 only, oxygen +2, temperature, SBP, HR) + alertnes
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc levothyroxine_dose
Adult levothyroxine (LT4) full-replacement estimate: daily_lt4_mcg = weight_kg * 1.6 (ATA 2014). Weight in kg or lb. N
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc gi_gpa
Sperduto 2019 updated GI-GPA: KPS <80 = 0, 80 = 1.0, 90-100 = 2.0; age >=60 = 0, <60 = 0.5; extracranial metastases pr
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc tdn_grade
Terrapon 2021 Therapy-Disability-Neurology (TDN) grade. Caller assigns therapy t1-t5, modified Rankin 0-6 (6 is death)
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pas_ii
Wolfe 2005 Patient Activity Scale II (PAS-II): (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3. HAQ-II 0-3 (not HA
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc cpri
Saisho 2011 CPR index: serum C-peptide (ng/mL) / plasma glucose (mg/dL) * 100, two decimals. timing fasting or postpra
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc bmv
Farris 2017 brain metastasis velocity: bmv = new_brain_metastases / years_since_first_srs, 1 decimal. new_brain_metast
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rapid_hip
Hevesi 2018 hip RAPID: sex (female 0, male 1) + Tonnis 0/1/2 (0, 2, 3 points; grade 3 invalid) + caller-assigned cam (
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc bastion
Bastion classification of lower-limb IED injury (Jacobs 2014). Caller assigns class 1-5 as the most proximal extent. R
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc wound_class
CDC/HICPAC surgical wound classification Class I-IV as assigned by the caller (Mangram 1999 Table 7). Returns wound_cl
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc trunk_impairment
Verheyden 2004 original Trunk Impairment Scale from caller-assigned static sitting balance 0-7, dynamic sitting balanc
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc setscore
Schönenberger 2016 SETscore: 15 caller-assigned flags (neurological function, lesion, organ function/procedure). Weigh
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pasi
Fredriksson 1978 PASI from four regions. Each region: area 0-6 and erythema, induration, and scaling 0-4. Region score
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc riske
Olmos 2017 RISK-E (Risk-Endocarditis) for in-hospital mortality after cardiac surgery in active left-sided IE. Age <=5
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ho_index
Ho 2004 day-3 IV-steroid score for severe UC (0–9): mean stools (<4 → 0; 4 ≤ x < 6 → 1; 6 ≤ x ≤ 9 → 2; x > 9 → 4), cal
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc scorma
Heide 2001 SCORMA: extent_percent/5 + 5*intensity_sum + 2*symptom_sum/5. Extent 0-100 (diffuse cutaneous mastocytosis
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc face_drops
McEntire 2025 FACE DROPS: seven caller-assigned flags for acute Lyme disease-associated facial palsy versus Bell palsy
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_child_nausea_vomiting
Hyams 2016 Rome IV H1b. Functional nausea iff 2-month duration plus bothersome_nausea_twice_weekly_not_meal_related, n
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_belching
Stanghellini 2016 Rome IV belching disorders (B2). rome_iv_belching is true iff bothersome (severe enough to impact us
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc bun_creatinine_ratio
Richards 1990 BUN/creatinine ratio as bun_mg_dl / creatinine_mg_dl, rounded to one decimal. A ratio of 36 or greater s
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc isth_bat
Rodeghiero 2010 ISTH/SSC bleeding assessment tool (BAT). Fourteen caller-assigned Table S1 symptom integers (0-4; cns_
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc fracture_index
Black 2001 FRACTURE Index with known total-hip T-score. Age <65 0 through >=85 5. T >= -1 0; -2 <= T < -1 2; -2.5 <= T
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc wisconsin_criteria
Sitzman 2011 Wisconsin Criteria. Meets criteria if any one of five caller-assigned findings is true: bony step-off or
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc miller_esr
Adult maximum normal erythrocyte sedimentation rate (mm/h, 98th percentile approximation) from age and sex (Miller 198
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pediatric_asthma_score
Qureshi 1998 pediatric asthma score: five caller-assigned 1-3 domains — respiratory_rate (Table 1 age-banded ordinal,
answers 402 $0.005 base v2 POST 37d ago
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