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 2026-09-28. We parse the payment challenge, we do not complete a payment.

EndpointStatusPriceNetworkSpecChecked
api.magentlab.com calc gout_rule
Janssens 2010 diagnostic rule for acute gouty arthritis without joint fluid: male 2, previous arthritis attack 2, onse
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc kocher
Kocher 1999 four predictors for children with irritable hip: history of fever (oral temperature >38.5 C), non-weight-b
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ottawa_copd
Ottawa COPD Risk Scale (Stiell 2014 derivation). Ten caller-assigned flags: CABG 1, PVD intervention 1, intubation 2,
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ohfrs
Ottawa Heart Failure Risk Scale (OHFRS; Stiell 2013 derivation). Ten caller-assigned flags (stroke/TIA 1, intubation 2
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc news
NEWS from RCP 2012 Chart 1: respiratory rate, SpO2, supplemental oxygen, temperature (°C), systolic BP, heart rate, an
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc mews
MEWS from Subbe 2001 Table 1: systolic BP, heart rate, respiratory rate, temperature (°C), and caller-assigned AVPU (a
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc tash
Yücel 2006 TASH (Trauma Associated Severe Hemorrhage): seven independent nested less-than point bands for arrival SBP,
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc abc_score
Nunez 2009 ABC (assessment of blood consumption): penetrating mechanism, arrival SBP ≤90 mm Hg, arrival HR ≥120 bpm, a
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc rts
Revised Trauma Score (Champion 1989): coded GCS, SBP, and respiratory rate (0-4 each), T-RTS as their sum (0-12), and
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc iss
Injury Severity Score (Baker 1974): ISS is the sum of squares of the three highest caller-assigned AIS body-region gra
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc gad_7
Spitzer 2006 GAD-7 from seven caller-assigned integers 0-3 (nervous, control worry, worry too much, relaxing, restless
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc phq_9
Kroenke 2001 PHQ-9 from nine caller-assigned DSM-IV depression items as integers 0-3 (0 not at all, 1 several days, 2
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc audit_c
Bush 1998 AUDIT-C from three caller-assigned integers 0-4 (frequency, typical drinks, binge frequency); magent does no
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc cage
Ewing 1984 CAGE questionnaire: four caller-assigned yes/no items (cut down, annoyed, guilty, eye-opener), 1 point each
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc westley_croup
Westley 1978 croup score from five caller-assigned signs (consciousness 0/5, cyanosis 0/4/5, stridor 0-2, air entry 0-
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc pediatric_ett
Cole 1957 uncuffed pediatric endotracheal tube internal diameter: age_years/4 + 4 millimetres. Deterministic published
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ehmrg
Lee 2012 EHMRG 7-day ED model (Table 3 integer score): 2*age + 60 if EMS transport - min(SBP,160) + clamp(HR,80-120) -
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc charlson
Charlson 1987 original weighted comorbidity index. Nineteen caller-assigned flags with published weights 1, 2, 3, or 6
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc lace
LACE (van Walraven 2010 CMAJ Table 3) from length of stay in days (<1 0; 1 1; 2 2; 3 3; 4-6 4; 7-13 5; >=14 7), acute
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc rcri
Lee 1999 revised cardiac risk index: six 1-point factors (high-risk surgery, ischemic heart disease, heart failure, ce
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ottawa_sah
Ottawa SAH Rule (Perry 2013 JAMA). Investigate when any of six findings is present: age 40 or older, neck pain or stif
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc chalice
CHALICE (Dunning 2006). CT required in children 0-15 if any history, exam, or mechanism criterion is present; else low
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc catch
CATCH (Osmond 2010). CT indicated if any of 7 caller-assigned findings after pediatric minor head injury. High (neurol
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc new_orleans_head
New Orleans Head CT Rule (Haydel 2000). CT is indicated if any of seven findings: headache, vomiting, age over 60, dru
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc pecarn_head
PECARN pediatric head CT (Kuppermann 2009). Two age trees (under 2 vs 2-17). High if any age-applicable high-risk fact
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc canadian_ct_head
Canadian CT Head Rule (Stiell 2001). CT is indicated if any high-risk factor (GCS <15 at 2 hours, suspected open or de
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc canadian_cspine
Canadian C-spine rule (Stiell 2001). Cervical radiography is indicated if any high-risk factor is present (age ≥65, da
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc nexus_chest
NEXUS Chest (Rodriguez 2011). Chest radiography is not indicated by this instrument only when all seven caller-assigne
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc nexus
NEXUS C-spine rule (Hoffman 2000). The patient is NEXUS low-risk, and imaging is not indicated by this rule, only when
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc pittsburgh_knee
Pittsburgh knee rule (Seaberg 1994): after fall or blunt trauma, a knee radiograph is indicated if the patient cannot
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ottawa_knee
Ottawa knee rule (Stiell 1995). Knee x-ray is indicated when any of: age 55 or older, bone tenderness at the fibular h
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ottawa_ankle
Ottawa ankle rule (Stiell 1992). Ankle x-ray is indicated when there is malleolar-zone pain and any of: bone tendernes
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc sf_syncope
San Francisco Syncope Rule (CHESS) from history of CHF, hematocrit, abnormal ECG, shortness of breath, and systolic BP
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc cisne
Carmona-Bayonas 2015 CISNE: ECOG ≥2 (2), stress hyperglycemia (2), COPD (1), chronic cardiovascular disease (1), NCI C
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc mascc
MASCC risk index from Klastersky 2000: one burden-of-illness value (none_or_mild 5, moderate 3, severe 0) plus no hypo
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc alt_70
Raff 2017 ALT-70 for lower-extremity cellulitis vs pseudocellulitis. Caller-assigned unilateral involvement (3), WBC ≥
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc lrinec
LRINEC (Wong 2004): CRP ≥150 mg/L (4), WBC k/µL (<15 0, 15–25 1, >25 2), hemoglobin g/dL (>13.5 0, 11–13.5 1, <11 2),
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc cpis
Pugin 1991 clinical pulmonary infection score (CPIS, max 12) from temperature, leukocytes and band forms, tracheal sec
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc sirs
SIRS from Bone 1992 ACCP/SCCM: four binary criteria (temperature >38 or <36 °C, heart rate >90, respiratory rate >20 o
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc khorana
Khorana 2008 Blood predictive model for chemotherapy-associated thrombosis: very_high site (stomach or pancreas) 2, hi
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc riete
Ruiz-Giménez 2008 RIETE score for 3-month major bleeding after documented acute VTE. Six caller-assigned flags: recent
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc michigan_picc
Chopra 2017 Michigan Risk Score for PICC-associated thrombosis: another CVC at PICC placement 1, WBC >12 x10^9/L 1 (12
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc padua
Barbar 2010 Padua Prediction Score for hospitalized medical patients: cancer 3, previous VTE 3, reduced mobility 3, th
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc revised_geneva
Revised Geneva score (Le Gal 2006) for suspected PE in the emergency department: age >65 (1), previous DVT or PE (3),
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc hestia
Hestia criteria (Zondag 2011). Outpatient PE is eligible only when none of 11 caller-assigned exclusions hold: hemodyn
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc bova
Bova 2014 seven-point index for confirmed acute PE that is not hypotensive: SBP 90–100 mm Hg +2 (SBP 100 scores; 101 d
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc pesi
PESI (Pulmonary Embolism Severity Index) from Aujesky 2005: age in years plus male sex (+10), cancer (+30), heart fail
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc spesi
sPESI (simplified Pulmonary Embolism Severity Index) from Jiménez 2010: 1 point each for age >80, cancer, chronic card
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc ripasa
Chong 2010 RIPASA score from 15 caller-assigned findings (half-points; max 16). Age <40 scores 1.0, ≥40 scores 0.5; ma
answers 402 $0.005 base v2 POST 24d ago
api.magentlab.com calc air
Andersson 2008 appendicitis inflammatory response (AIR) score from caller-assigned vomiting, right-iliac-fossa pain, r
answers 402 $0.005 base v2 POST 24d ago
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