io.github.UltraStarz/x402-smscommunication

x402-sms

Verified · 24 days ago

Pay-per-call MCP server. $0.03 USDC sends one transactional SMS to a US phone number via x402.

Install

claude mcp add x402-sms -- npx -y [email protected]

Requires: BUYER_PRIVATE_KEY

Our take

A narrow x402 experiment: the local MCP signs a per-call USDC payment and sends a transactional SMS request to the seller endpoint. The README is unusually explicit about consent, testnet status, Twilio approval, and the private-key custody model. Still, this asks users to put a buyer wallet private key in MCP config, so it belongs in throwaway-wallet territory until the payment flow matures.

reviewed by hand · 2026-07-06

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Verification record

last verified
24 days ago
github stars
0
last commit
5 mo ago
archived
no
latest version
0.2.0
in registry since
2026-05-15

github.com/UltraStarz/x402-sms-mcp

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