x402 sms for Windsurf
io.github.ultrastarz/x402-sms
Pay-per-call MCP server. $0.03 USDC sends one transactional SMS to a US phone number via x402.
client:Windsurf
transport:stdio
runtime:npm
Install x402 sms in Windsurf
~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json
{
"mcpServers": {
"x402-sms": {
"command": "npx",
"args": [
"-y",
"x402-sms-mcp"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>"
}
}
}
}
Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs