Sellat for Grok
io.github.skanthemore/sellat-mcp
Proof of existence for files from any MCP client: hashed locally, anchored on Polygon and Bitcoin.
client:Grok
transport:stdio
runtime:npm
Install Sellat in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"sellat-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"sellat-mcp"
],
"env": {
"SELLAT_API_TOKEN": "<SELLAT_API_TOKEN>",
"SELLAT_DOWNLOAD_DIR": "<SELLAT_DOWNLOAD_DIR>",
"SELLAT_API_URL": "<SELLAT_API_URL>"
}
}
}
}
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