MPPX Payment Protocol
Implements the HTTP 402 Payment Authentication Scheme for automated client and server machine payments with Tempo and Stripe.
mppx is a specialized skill for integrating the Machine Payments Protocol (MPP) and the HTTP 402 Payment Required authentication flow into TypeScript applications. It equips developers to protect backend routes with challenges and receipts, configure client-side fetch polyfills for automated payment settlement, accept one-time or streaming Tempo stablecoin payments, charge credit cards via Stripe, and wrap Model Context Protocol (MCP) tools with payment paywalls.
主な機能
01Accept one-time (charge) and streaming (session) Tempo stablecoin payments via TIP-20 tokens
02Process card payments via Stripe and Shared Payment Token flows
0387 GitHub stars
04Integrate middleware for Hono, Express, Next.js, and Elysia server frameworks
05Handle HTTP 402 Payment Required flows automatically using fetch polyfills and middleware
06Wrap Model Context Protocol (MCP) clients and servers to gate tool calls behind paywalls
ユースケース
01Automating machine-to-machine micropayments using blockchain stablecoins and smart wallets
02Monetizing REST or GraphQL API endpoints on a pay-per-request or streaming payment basis
03Paywalling AI agent tools and Model Context Protocol (MCP) server capabilities