Base Tx Preflight for Grok
com.madebydevx.preflight/preflight
Simulate a Base tx before signing: revert reason, gas limit, full fee in ETH/USD. Paid x402.
client:Grok
transport:streamable-http
tools:2
Install Base Tx Preflight in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"preflight": {
"type": "http",
"url": "https://preflight.madebydevx.com/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