topup for Grok
app.iomarkets/topup
Travel eSIMs in 200+ destinations and top-ups in 150+ countries, paid in USDC via x402
client:Grok
transport:streamable-http
tools:9
Install topup in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"topup": {
"type": "http",
"url": "https://iomarkets.app/mcp"
}
}
}
Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs