service / x402-materials-e972d7ef

Frontera Signal

Use to check what common building materials cost on the shelf in the Rio Grande Valley (McAllen, Mission, Edinburg): 2x4 and 2x6 studs, OSB, drywall, concrete mix, CMU block, rebar, shingles, underlayment, housewrap, insulation, paint, doors, deck screws. Dated prices at big-box stores and a local yard, checked twice a week, for estimating or checking a bid. Not a quote. Example: "What does a sheet of 7/16 OSB cost in McAllen this week?"

uncertifiedunhealthyrail · x402

Call card

https://fronterasignal.com/api/v1/materials price $0.01 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-materials-e972d7ef", "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-materials-e972d7ef", "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 30d-

buyers 30d0

last verifiednever

certified since-

Daily probe success ratio, last 30 days. Last probed 2026-10-04 (last probe failed).

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.