Index9 for Grok
io.github.index9-org/mcp
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client:Grok
transport:stdio
runtime:npm
Install Index9 in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@index9/mcp"
],
"env": {
"OPENROUTER_API_KEY": "<OPENROUTER_API_KEY>"
}
}
}
}
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