Futuras Sign for Grok
ai.futuras/sign
Get PDFs signed: prepare, send and track e-signature requests, then fetch the signed copy.
client:Grok
transport:streamable-http
Install Futuras Sign in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"sign": {
"type": "http",
"url": "https://mcp.futuras.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