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mcp/harbor
Grok

mcp server for Grok

io.github.upstash/mcp-server

Manage Upstash databases and resources through the Upstash Developer API.

client:Grok transport:stdio runtime:npm

Install mcp server in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@upstash/mcp-server"
      ],
      "env": {
        "UPSTASH_EMAIL": "<UPSTASH_EMAIL>",
        "UPSTASH_API_KEY": "<UPSTASH_API_KEY>",
        "UPSTASH_BOX_API_KEY": "<UPSTASH_BOX_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

mcp server in other clients

mcp server MCP server