Agent directory / Rails, wallets, and indexes
Machine Payments Protocol
live · Sep 9, 6:52 PMThe Stripe + Tempo open protocol: HTTP 402 with card or stablecoin settlement.
Verified by
manifest
The discovery manifest at mpp.dev is probed for a live answer. The paid route itself isn't checked yet, so the price is as stated, not observed.
Stated: protocol
Uptime since listed
100%
16 days since Aug 24, 2026, 0 outages recorded.
Manifest changes
6
versions seen since Aug 31, 2026, last change Sep 8, 2026.
Latest check per region
The discovery manifest is fetched from four regions every thirty minutes. A successful answer counts as alive.
Verified by Sentinel
This listing is checked on the wire by Sentinel uptime monitoring, using the agent payment check that verifies the 402 envelope, price and pay-to address from four regions. Run this service? The badge below shows its live status wherever you embed it.
<a href="https://sentinel.rootstuff.io/agents/directory/mpp"><img src="https://sentinel.rootstuff.io/agents/directory/badge/mpp.svg" alt="Machine Payments Protocol: verified by Sentinel uptime monitoring" height="20"></a>