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magent mNIHSS Calculator (Meyer/Lyden 2001)
x402
magent mNIHSS Calculator (Meyer/Lyden 2001) is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Computes the modified NIH Stroke Scale (mNIHSS) total score (0–31) from eleven caller-assigned neurological subscores per the Meyer/Lyden 2001 protocol
Price / call$0.005
Success—
StatusUnknown
How this service works
Meyer/Lyden 2001 modified NIH Stroke Scale (mNIHSS): eleven caller-assigned NINDS-style integers. Drops LOC, facial palsy, limb ataxia, and dysarthria; collapses sensory to 0 = normal or 1 = abnormal; keeps left/right motor arm and leg (each 0-4). Sum 0-31. magent does not examine the patient. No total-score severity bands in Meyer 2001; later website cutoffs are not applied. Not Brott 1989 NIHSS, not a tPA order, not a diagnosis, and not a medical device.
Output
Returns the computed mNIHSS total score (integer 0–31) derived from the eleven caller-supplied subscores as defined in the Meyer/Lyden 2001 protocol. The score reflects the arithmetic sum of the individual items; no severity band labels or tPA recommendations are applied.
Example use cases
Post-stroke severity documentation
“I need the mNIHSS total for a stroke patient: LOC questions 0, LOC commands 1, best gaze 1, best visual 0, left arm 3, right arm 0, left leg 3, right leg 0, sensory 1, best language 2, neglect 1 — calculate the Meyer 2001 score for me.”
Research data entry validation
“For my stroke registry dataset, compute the modified NIH stroke scale (mNIHSS) using these subscores: loc_questions 2, loc_commands 2, best_gaze 2, best_visual 2, left_arm 4, right_arm 0, left_leg 4, right_leg 0, sensory 1, best_language 3, neglect 2. What's the sum?”
Telemedicine stroke triage support
“Based on the neuro exam reported over the phone — LOC questions 0, LOC commands 0, gaze 0, visual 1, left arm 1, right arm 0, left leg 1, right leg 0, sensory 0, language 1, neglect 0 — what does the mNIHSS calculator give as the total?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/mnihssWhen to prefer
Use this endpoint when you need the specific eleven-item Meyer/Lyden 2001 mNIHSS variant — which drops LOC, facial palsy, limb ataxia, and dysarthria from the full NIHSS and collapses sensory to binary — rather than the full Brott 1989 NIHSS. Prefer this for research or documentation contexts explicitly calling for the mNIHSS formulation with separate left and right motor arm and leg scores (not the weaker-limb-only Brott approach).
Side effects
- Missing required query parameter returns an error response
- Out-of-range integer for any subscore (e.g. sensory=2) returns validation error
- Non-integer value passed for an integer field causes a 400-level error
- Network timeout or service unavailability returns a 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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