Discover / api.magentlab.com

magent

□ No challenge detected

Cited clinical calculators and medical code lookup (ICD-10-CM, RxNorm, LOINC) for agents. Pay-per-request via x402 V2 (USDC on Base). Deterministic published formulas with citations. Not a medical device. Docs: https://magentlab.com/docs MCP: npx -y @magent/mcp

Challenge detected
9 of the last 11 checks
Median response
69 ms
Last checked
18 Oct, 00:27 UTC
In our index since
28 Sept 2026

Endpoint

curl -i https://api.magentlab.com
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
844 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.magentlab.com/api/calc

  • POST/rome_iv_fc$0.005Mearin 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 (straining, lumpy/hard stools, incomplete evacuation, anorectal obstruction, manual maneuvers, fewer than 3 SBM/week), loose stools rare without laxatives, and insufficient IBS criteria. symptom_count is 0-6. Caller assigns nine flags. magent does not examine the patient. Not a diagnosis, not Rome IV IBS, not Manning, not opioid-induced or child constipation.
  • POST/pas_ii$0.005Wolfe 2005 Patient Activity Scale II (PAS-II): (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3. HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS. magent does not administer HAQ-II. Not PAS-RA, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS-II total only; no remission or severity cutoffs.
  • POST/grobman_vbac$0.005Grobman 2007 first prenatal visit logistic probability of vaginal birth after cesarean from maternal age, prepregnancy BMI, caller-assigned ethnicity (african_american, hispanic, or other), any prior vaginal delivery, prior VBAC after cesarean, and recurrent cesarean indication. Ethnicity uses the paper terms; magent does not assign race or ethnicity. Not the 2009/2010 admission model and not Grobman 2021. Not a trial-of-labor order.
  • POST/sofa$0.005SOFA (Sepsis-related Organ Failure Assessment) from Vincent 1996 Table 3: six organs 0-4, max 24, from PaO2/FiO2 with a ventilation gate, platelets, bilirubin, MAP and adrenergic agents, caller-assigned GCS, and creatinine or urine output. Deterministic published score with citation; not a Sepsis-3 diagnosis.
  • POST/cfs$0.005Rockwood 2005 CSHA Clinical Frailty Scale 1-7 as assigned by the caller (Box 1). Returns cfs, score, max 7, and the published label. Does not implement the later 9-point CFS (8 very severely frail, 9 terminally ill) or CFS 2.0 label changes. Not a diagnosis; magent does not examine the patient.
  • GET/chip$0.005Smits 2007 CHIP rule (adults ≥16, GCS 13-15). CT if ≥1 major (pedestrian/cyclist vs vehicle, ejected, vomiting, PTA ≥4 h, skull-fracture signs, GCS <15, GCS drop ≥2 at 1 h, anticoagulants, posttraumatic seizure, age ≥60) or ≥2 minor (fall from elevation, persistent anterograde amnesia, PTA 2 to <4 h, skull contusion, neurologic deficit, LOC, GCS drop of 1 at 1 h, age 40-60). Not a diagnosis; not Canadian CT Head, NEXUS, PECARN, or 2022 CHIP. magent does not examine the patient.
  • POST/mdq$0.005Hirschfeld 2000 Mood Disorder Questionnaire (MDQ): thirteen caller-assigned yes/no lifetime manic/hypomanic items, 1 point each, max 13. Positive screen requires score ≥7 AND same_period AND moderate_or_serious_problem (that paper: sensitivity 0.73 and specificity 0.90 in a psychiatric outpatient sample). Not a bipolar diagnosis, not a medical device, and not Hirschfeld 2003 general-population cutoff tweaks. magent does not interview the patient.
  • POST/ed_buprenorphine$0.005ED-initiated buprenorphine milligrams from D'Onofrio 2015 (JAMA; PMID 25919527): dose_mg is 8 on protocol day 1 and 16 on days 2 and 3. Take-home schedule only. Not a home-induction decision tree, not COWS scoring, and not a prescription or X-waiver. magent does not score withdrawal.
  • POST/onls$0.005Graham 2006 ONLS: caller-assigned arm_scale 0-5 plus leg_scale 0-7. Sum 0-12. Score 0 is no limitations. Arm 5 or leg 7 is no purposeful movement of that region. Leg 0 requires walking, stairs, and running unaffected. Remaining grades match ODSS; this is not ODSS and not Adjusted ONLS. magent does not observe the patient. No published total-score severity bands. Not a diagnosis and not a medical device.
  • POST/pediatric_ett$0.005Cole 1957 uncuffed pediatric endotracheal tube internal diameter: age_years/4 + 4 millimetres. Deterministic published arithmetic with citation; not a device-selection order or length-based tape.
  • POST/plasmic$0.005Bendapudi 2017 PLASMIC: seven 1-point items (platelets <30×10^9/L, caller-assigned hemolysis, no active cancer, no solid-organ or stem-cell transplant, MCV <90 fL, INR <1.5, creatinine <2.0 mg/dL), max 7. Bands 0-4 / 5 / 6-7 are pretest groups for severe ADAMTS13 deficiency, not percents or a plasma-exchange order. magent does not assay hemolysis. Cutoffs 30, 90, 1.5, and 2.0 do not score.
  • POST/regiscar$0.005Kardaun 2007 RegiSCAR DRESS scoring letter from ten caller-assigned items (sum -4 to 9). Bands: <2 none, 2-3 possible, 4-5 probable, >=6 definite. Not a DRESS diagnosis, not SCORTEN, not J-SCAR. magent does not count eosinophils or read a biopsy. Biopsy unknown is not offered. Not a medical device.
  • POST/harvey_bradshaw$0.005Harvey and Bradshaw 1980 simple Crohn's-disease activity index (one-day; items 1-3 previous day). Well-being 0-4, abdominal pain 0-3, liquid stools (1 point each; magent clamp 0-30), abdominal mass 0-3, plus 1 per listed complication (arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma gangrenosum, anal fissure, new fistula, abscess). magent sums only (max 48) and does not return later remission cutoffs. Not a Crohn's diagnosis or Best 1976 CDAI. magent does not examine the patient.
  • POST/rome_iv_child_fap_nos$0.005Hyams 2016 Rome IV H2d child FAP-NOS. rome_iv_child_fap_nos is true iff episodic_or_continuous_abdominal_pain_not_solely_during_physiologic_events, pain_at_least_4_times_per_month, insufficient_criteria_for_ibs_fd_or_abdominal_migraine, not_explained_by_another_condition, and fulfilled_at_least_2_months. Caller assigns five flags including the IBS/FD/abdominal-migraine residual. magent does not re-run those tools. Not a diagnosis, not adult CAPS, not FAPS (dropped in Rome IV).
  • POST/fleischner_2017$0.005MacMahon 2017 Fleischner table for one solid noncalcified incidental nodule. size_mm 1-30 and caller-assigned high_risk. <6 mm: no routine follow-up (optional CT at 12 months if high risk). 6-8 mm: CT at 6-12 months, then consider or obtain 18-24 month CT by risk. >8 mm: consider CT at 3 months, PET/CT, or tissue sampling. Not subsolid, multiple, or Lung-RADS screening. magent does not read CT. Not a diagnosis or medical device.
  • POST/vancouver_chest_pain$0.005Christenson 2006 Vancouver Chest Pain Rule. early_discharge_eligible is true when the initial ECG is not abnormal, 2-hour troponin is not elevated, there is no prior ACS or nitrate use, and either palpation reproduces pain or age is under 40 without radiation to neck, arm, or jaw. Age 40 is not the age-history path. magent does not interpret ECGs or assay troponin. Not the 2014 age-50 variant. Not a medical device and not a discharge order.
  • POST/rome_iv_biliary_sod$0.005Cotton 2016 Rome IV E1b functional biliary SOD (former SOD type II). rome_iv_biliary_sod iff six E1 biliary-pain flags, enzymes XOR dilated bile duct, and no stones or other structural abnormalities. Type I (both findings) is organic stenosis, not this box. Type III (neither) is not this box. Supportive amylase/lipase, manometry, and scintigraphy are reported, not required. magent does not read labs, imaging, manometry, or ERCP. Not a diagnosis, not pancreatic SOD, not functional gallbladder.
  • POST/macs$0.005Body 2014 MACS ACS probability from caller-assigned ECG ischaemia, worsening angina, right-arm radiation, vomiting, observed sweating, hypotension (SBP <100), Roche hs-cTnT ng/L, and ELISA H-FABP ng/mL. Table 2 rounded coefficients. Bands p<0.02 very_low, 0.02<=p<0.05 low, 0.05<=p<0.95 moderate, p>=0.95 high. magent does not interpret ECG or assay biomarkers. Not T-MACS, HEART, or EDACS. Not a diagnosis.
  • POST/asas_peripheral_spa$0.005ASAS 2011 peripheral SpA classification (Rudwaleit set 2D / fig 1 + table 5). Required: current arthritis, enthesitis, or dactylitis. Arm A: ≥1 of psoriasis, IBD, preceding infection, HLA-B27, uveitis, sacroiliitis on imaging. Arm B: ≥2 of arthritis, enthesitis, dactylitis, IBP in the past, family history of SpA. Not a diagnosis. Not ASAS 2009 axial. Not ESSG/Amor. magent does not examine joints or assay HLA-B27.
  • POST/papi$0.005Korabathina 2012 pulmonary artery pulsatility index from PA systolic (mm Hg), PA diastolic (mm Hg), and RAP (mm Hg): PAPi = (PAS − PAD) / RAP. Returns papi to two decimals and the paper ROC band (<=0.9 or >0.9) from the unrounded ratio. Equality at 0.9 is <=0.9. RAP 0 is invalid (no RAP=1 substitution). Not a medical device, RV-failure diagnosis, or device threshold.
  • POST/acr_eular_pmr$0.005ACR/EULAR 2012 PMR classification (Dasgupta Table 4). Required: age 50–120, bilateral shoulder aching, abnormal CRP or ESR. Score morning stiffness >45 min 2, hip pain or limited ROM 1, RF or ACPA absent 2, other joint pain absent 1. Without ultrasound: max 6, classified iff ≥4. With ultrasound: add shoulder-and-hip 1 and both shoulders 1; max 8, classified iff ≥5. Not a diagnosis (not meant for diagnostic purposes). magent does not assay CRP/ESR/RF/ACPA or perform ultrasound.
  • POST/rhig$0.005ACOG Practice Bulletin 181 RhD immune globulin vial arithmetic. fmh_ml = fetal_cells_percent/100 * maternal_blood_volume_ml. One 300 microgram vial covers 30 mL Rh D-positive fetal whole blood. AABB Technical Manual rounding: if frac(fmh_ml/30) >= 0.5 round up then add one vial; if < 0.5 round down then add one. Minimum 1 vial. Caller assigns Kleihauer–Betke percent and maternal volume; magent does not read slides. Not a prescription or brand order.
  • POST/rmi$0.005Jacobs 1990 risk of malignancy index: RMI = U × M × CA125 (U/ml). Caller assigns ultrasound_score 0, 1, or 3 (never 2) and postmenopausal (M=3 if true, else 1). Returns rmi to 1 decimal and exceeds_200 (true if RMI > 200). Not an ovarian-cancer diagnosis and not later RMI-2 or RMI-3.
  • POST/bap_65$0.005BAP-65 (Tabak 2009) class I–V for acute exacerbation of COPD. Three caller-assigned main factors: BUN >25 mg/dL, altered mental status (GCS <14 or disoriented/stupor/coma), and pulse >109/min. Age >65 splits class I from II only when zero main factors are present; age is not a fourth additive point. magent does not compute GCS, BUN, or pulse. Not a medical device and not a ventilation or ICU-admission order.
  • POST/kings_college$0.005King's College criteria (O'Grady 1989) for poor prognosis in fulminant hepatic failure. Acetaminophen: arterial pH <7.30, or PT >100 s plus creatinine >300 umol/L plus grade III/IV encephalopathy. Non-acetaminophen: PT >100 s, or any 3 of age <11 or >40, unfavorable etiology (non-A non-B or drug reaction), jaundice-to-encephalopathy >7 days, bilirubin >300 umol/L, PT >50 s. PT seconds, not INR. Not a transplant listing order.

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Showing 25 of 844 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.magentlab.com

Recent checks

2 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.18 Oct 2026
All 11 checks
When (UTC)ResultHTTPResponse
18 Oct, 00:27 UTCNo challenge detected8000ms
17 Oct, 15:25 UTCNo challenge detected8002ms
16 Oct, 16:44 UTCChallenge detected40250ms
15 Oct, 08:20 UTCChallenge detected40269ms
14 Oct, 00:19 UTCChallenge detected40247ms
12 Oct, 00:34 UTCChallenge detected402207ms
10 Oct, 10:04 UTCChallenge detected402154ms
9 Oct, 03:33 UTCChallenge detected402214ms
7 Oct, 21:31 UTCChallenge detected40243ms
6 Oct, 21:30 UTCChallenge detected40263ms
2 Oct, 05:04 UTCChallenge detected40277ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 18 Oct, 00:27 UTC, we detected no payment challenge.

What payment terms does magent advertise?

The listing advertises x402, Base and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is magent listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 28 Sept 2026.

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