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mcp/harbor
Grok

Archipelago on Arc for Grok

io.github.runtimeadmin/archipelago-x402-mcp

Buy Archipelago's Arc token reports, exit costs and wallet balances over x402, within caps you set.

client:Grok transport:stdio runtime:npm

Install Archipelago on Arc 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": {
    "archipelago-x402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@archipelagodex/archipelago-x402-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY_FILE": "<BUYER_PRIVATE_KEY_FILE>",
        "BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>",
        "ARCHIPELAGO_X402_MAX_PER_CALL": "<ARCHIPELAGO_X402_MAX_PER_CALL>",
        "ARCHIPELAGO_X402_BUDGET": "<ARCHIPELAGO_X402_BUDGET>"
      }
    }
  }
}

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

Archipelago on Arc in other clients

Archipelago on Arc MCP server