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 dutch_fh
Dutch Lipid Clinic Network (Nordestgaard 2013 Table 1) familial hypercholesterolaemia score. One LDL (mmol/L or mg/dL
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc medped
Williams 1993 US MEDPED total cholesterol cutoffs by age and relative degree (first, second, third, or general populat
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc simon_broome
Simon Broome Register 1991 adult definite familial hypercholesterolaemia: total cholesterol >7.5 mmol/L or LDL cholest
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc findrisc
Lindström 2003 Finnish diabetes risk score (FINDRISC). Original seven-item 0–20 score, cutoff ≥9: age (<45 → 0, 45–54
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mets_ir
Bello-Chavolla 2018 METS-IR: ln(2×glucose_mg_dl + triglycerides_mg_dl)×BMI / ln(HDL_mg_dl), natural log, two decimals.
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc choles_score
Bharamgoudar 2018 CholeS Table 3 score for elective laparoscopic cholecystectomy duration. Age, sex, indication, BMI,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc tokyo_cholangitis
Kiriyama 2018 TG18 (=TG13) cholangitis. Definite if one A (fever/chills or elevated WBC/CRP), one B (jaundice or abnor
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc tokyo_cholecystitis
Yokoe 2018 TG18 (=TG13) acute cholecystitis. Definite if local signs (Murphy or RUQ mass/pain/tenderness), systemic si
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc travis
Travis 1996 day-3 of intravenous steroids for severe ulcerative colitis. travis_high is true when stools_per_day > 8,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc truelove_witts
Truelove and Witts 1955 ulcerative colitis severity. severe iff stools_per_day >= 6 with macroscopic blood and at leas
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc manning
Manning 1978 IBS symptoms. Six caller-assigned flags, 1 each, max 6: visible abdominal distension, pain relief with bo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc bristol_stool
Lewis 1997 Bristol stool form scale: caller-assigned stool_type 1-7. Returns the assigned type and the published form
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_oic
Mearin 2016 Rome IV C6 OIC. rome_iv_oic is true iff new or worsening constipation when initiating, changing, or increa
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_bloating
Mearin 2016 Rome IV C4 bloating/distension. rome_iv_bloating is true iff last-3-months criteria with 6-month onset, re
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_diarrhea
Mearin 2016 Rome IV C3 functional diarrhea. rome_iv_diarrhea is true iff last-3-months criteria with 6-month onset, lo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_fc
Mearin 2016 Rome IV C2 FC. rome_iv_fc is true iff last-3-months criteria with 6-month onset, at least 2 of 6 symptoms
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_fd
Stanghellini 2016 Rome IV B1 FD. rome_iv_fd is true iff last-3-months criteria with 6-month onset, no structural disea
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iv_ibs
Mearin 2016 Rome IV IBS. rome_iv_ibs is true iff recurrent abdominal pain at least 1 day per week in the last 3 months
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_iii_ibs
Longstreth 2006 Rome III IBS. rome_iii_ibs is true iff pain or discomfort at least 3 days per month in the last 3 mont
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc rome_ii_ibs
Thompson 1999 Rome II IBS. rome_ii_ibs is true iff at least 12 weeks (need not be consecutive) in the preceding 12 mon
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pcdai
Hyams 1991 Pediatric Crohn's Disease Activity Index (PCDAI): eleven caller-assigned item points. hematocrit and esr ar
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc cdai
Best 1976 Crohn's disease activity index (CDAI): eight weighted variables (7-day liquid stools *2, abdominal-pain sum
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc i_see
Dellon 2022 I-SEE Table I: symptoms 0/1/2/4, food_impaction 0/2/4, stacking complications (hospitalization 4, perforat
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc erefs
Hirano 2013 modified EREFS: caller-assigned edema (absent 0, present 1), rings (none 0, mild 1, moderate 2, severe 3),
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc uceis
Travis 2013 UCEIS: caller-assigned vascular_pattern (normal 0, patchy 1, obliterated 2), bleeding (none 0, mucosal 1,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mayo_uc
Schroeder 1987 ulcerative colitis disease-activity index (Mayo DAI): four caller-assigned integers 0-3 (stool frequenc
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc harvey_bradshaw
Harvey and Bradshaw 1980 simple Crohn's-disease activity index (one-day; items 1-3 previous day). Well-being 0-4, abdo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pucai
Turner 2007 pediatric ulcerative colitis activity index (PUCAI): six caller-assigned item points (abdominal pain, rect
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc prague
Sharma 2006 Prague C and M. Caller-assigned circumferential c_cm and maximal m_cm (integers 0-20 cm above the gastroes
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc la_grading
Lundell 1999 Table 1 Los Angeles classification. Caller-assigned flags. none if no mucosal break (not minimal changes)
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc fistula_risk
Callery 2013 Fistula Risk Score after pancreatoduodenectomy: gland texture firm 0 / soft 2; pathology PDAC or pancreat
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc forrest
Forrest 1974 endoscopic ulcer class as assigned by the caller: ia active spurting haemorrhage, ib active oozing, iia n
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc fni
Tavaglione 2023 fibrotic NASH index (FNI) from AST, HbA1c, and HDL cholesterol. FNI = e^x/(1+e^x) with x = -10.33 + 2.
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc safe
Sripongpun 2023 steatosis-associated fibrosis estimator (SAFE) from age, BMI (capped at 40 in the equation), diabetes,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc milan
Mazzaferro 1996 Milan criteria for small HCC in cirrhosis: meets_milan is true iff there is no preoperative vascular i
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc fong
Fong 1999 clinical score after hepatic resection for metastatic colorectal cancer: five caller-assigned preoperative f
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc galad
Johnson 2014 GALAD linear predictor from age, sex, AFP ng/mL, AFP-L3 percent, and DCP ng/mL. galad_score = -10.08 + 0.
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc r_factor
CIOMS R factor from ALT, ALP, and laboratory ULNs (Bénichou 1990). R = (ALT/ALT_ULN)/(ALP/ALP_ULN), rounded to 1 decim
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc clif_c_aclf
Jalan 2014 CLIF-C ACLF (CANONIC) from caller-assigned CLIF-C OF (integer 6-18), age, and WBC in 10^9/L. Score = 10 × (
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc reach_b
Yang 2011 REACH-B 17-point HCC risk (non-cirrhotic REVEAL-HBV). Sex female 0, male 2; age 30-65 (30-34 0 through 60-65
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc arc_hbr
ARC-HBR (Urban 2019 Table 3). High bleeding risk at PCI iff ≥1 major or ≥2 minor. Binary; no weighted point score. Cal
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc interchest
Aerts 2017 INTERCHEST: six equally weighted predictors for CAD in primary-care chest pain (age ≥55 male or ≥65 female
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc aub_has2
Dakik 2019 AUB-HAS2 for 30-day death/MI/stroke after noncardiac surgery: six 1-point elements (history of heart diseas
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ccs_angina
CCS angina of effort class 1-4 as assigned by the caller (Campeau 1976 Table 1). Returns class, score, max 4, and the
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mhs
Marburg Heart Score (Bösner 2010 Table 3): five 1-point determinants (age/sex, known vascular disease, patient assumes
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc action_icu
Fanaroff 2018 ACTION ICU integer score (Table 3) for initially hemodynamically stable NSTEMI. Points from age, creatin
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc dapt
Yeh 2016 DAPT prediction rule after PCI: exclusive age (<65: 0; 65 to younger than 75: -1; 75 or older: -2) plus MI at
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc modified_sgarbossa
Smith 2012 unweighted modified Sgarbossa for STEMI equivalent in LBBB. Positive if ANY of three caller-assigned flags
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc adapt
Than 2012 ADAPT 2-hour accelerated diagnostic protocol for emergency chest pain. low_risk is true only when the caller
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc heart_pathway
Mahler 2015 HEART Pathway for emergency chest pain. early_discharge_candidate is true only when the caller-assigned HE
answers 402 $0.005 base v2 POST 37d ago
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