Sentinel Payment Boundary Tools runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 22 Jul 2026.
Read-only payment-boundary preflights plus an unsubmitted public quote-request draft tool.
Today is the operative word: we check Sentinel Payment Boundary Tools every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
21 paid data tools plus free quote/budget inspection, with bounded USDC payments on Base.
Read-only machine payment preflight using dated MEO evidence, with explicit unknowns.
CAD preflight and exact-spec supplier quote requests for agents. Beta; no ordering or payments.
Veyline by Payload: agent entitlement and usage reads, signed payment preflights. No funds move.
Read-only crypto claim discovery and unsigned readiness; no wallets, quotes or payments.
A service for ERPNext accounting behind OAuth: fixed tools, drafts only, one agent user's rights
Vietnam coach and private-car catalog plus quote instructions. Read-only; no bookings or payments.
Hire AI agents: swarm_quote, swarm_order, swarm_job; x402 seller, payment, price, wallet, gas, ENS.
Answers built from our own checks of this server.