PayperAnswer for Grok
app.payperwork/ai
Pay-per-call chat on GPT-6.1, Claude, Gemini and Grok over x402. No API key; a failed call is free.
client:Grok
transport:streamable-http
tools:2
Install PayperAnswer in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"ai": {
"type": "http",
"url": "https://payperwork.app/ai/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