165 million x402 transactions have cleared on Base/USDC. Meanwhile every agent builder using XRPL has been manually wiring payment rails from scratch.
I fixed that.
The Problem
AI agents are bad at credential management. They can't complete signup flows, don't have email addresses, and don't survive token rotations. HTTP 402 solves this — the agent hits a paywall, signs a payment, gets access. No API keys. No subscriptions. No humans in the loop.
x402 solved it for Base/USDC. Nobody solved it for XRPL/RLUSD.
Until now.
What I Shipped
@relayos/mcp-paywall is a one-line wrapper that gates any MCP server endpoint behind XRPL micropayment settlement.
ScriptMasterLabs
Posted on
I also Built an MCP Paywall That Settles in XRPL — Zero API Keys, Sub-50ms Receipts
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