BrainChain for Grok
com.usebrainchain/brainchain
Hire frontier models through Jev. Pay in USDC on Base or USDG, only for work that passes.
client:Grok
transport:stdio
runtime:npm
Install BrainChain in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"brainchain": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"brainchain-mcp"
],
"env": {
"BRAINCHAIN_PAYER_KEY": "<BRAINCHAIN_PAYER_KEY>",
"BRAINCHAIN_NETWORK": "<BRAINCHAIN_NETWORK>",
"BRAINCHAIN_PAY_ON": "<BRAINCHAIN_PAY_ON>",
"BRAINCHAIN_MAX_PRICE_UNITS": "<BRAINCHAIN_MAX_PRICE_UNITS>",
"BRAINCHAIN_BUDGET_UNITS": "<BRAINCHAIN_BUDGET_UNITS>"
}
}
}
}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