cortex402 for Grok
io.github.ooak21/cortex402
Pay-per-call x402 data products on Base mainnet — sanctions, aviation weather, US property.
client:Grok
transport:stdio
runtime:npm
Install cortex402 in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"cortex402": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"cortex402-mcp"
],
"env": {
"CORTEX402_WALLET_PRIVATE_KEY": "<CORTEX402_WALLET_PRIVATE_KEY>",
"CORTEX402_BASE_URL": "<CORTEX402_BASE_URL>",
"CORTEX402_MAX_PAYMENT_USDC": "<CORTEX402_MAX_PAYMENT_USDC>"
}
}
}
}
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