# x402-sms MCP server

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

## Links
- Registry page: https://www.getdrio.com/mcp/io-github-ultrastarz-x402-sms
- Repository: https://github.com/UltraStarz/x402-sms-mcp

## Install
- Command: `npx -y x402-sms-mcp`
- Auth: Auth required by registry metadata

## Setup notes
- Package: Npm x402-sms-mcp v0.1.0
- Environment variable: BUYER_PRIVATE_KEY (required; secret)
- The upstream registry signals required auth or secrets.

## Tools
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## Resources
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## Prompts
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## Metadata
- Owner: io.github.UltraStarz
- Version: 0.1.0
- Runtime: Npm
- Transports: STDIO
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: May 15, 2026
- Source: https://registry.modelcontextprotocol.io