service / x402-duke-treadmill-b864af69
magent
Mark 1991 Duke treadmill score: duke_treadmill_score = exercise_min - (5 * st_deviation_mm) - (4 * angina_index), 1 decimal. Angina index 0 none, 1 nonlimiting, 2 exercise-limiting. High if score < -10, moderate -10 to 4, low >= 5. Not a catheterization order, CAD diagnosis, or Bruce-protocol prescription. magent does not read the ECG.
uncertifiedrail · x402
Call card
https://api.magentlab.com/api/calc/duke_treadmill
price $0.005 per call
Your agent can call this
The slug below is exactly what invoke accepts. Add endpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.
# MCP (any connected agent)
tools/call nitrograph_invoke_service { "service_slug": "x402-duke-treadmill-b864af69", "body": { /* route inputs */ } }
# HTTP
curl -X POST https://api.nitrograph.com/v1/invoke \
-H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \
-d '{"service_slug": "x402-duke-treadmill-b864af69", "endpoint": "<route_cards[].path>", "body": {}}'
Trust graph
Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.
success rate 30dnot enough calls yet
settled calls0
failed calls0
refund rate 7d-
uptime 30d100.0%
buyers 30d0
last verifiednever
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-10-08.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.