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mcp/harbor
Grok

NextGen Token for Grok

io.github.har50/ngtchain

Pay per call in NGT on Base: call any NGT x402 paywalled API with a capped budget. Signed locally.

client:Grok transport:stdio runtime:npm

Install NextGen Token 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": {
    "ngtchain": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@ngtchain/mcp"
      ],
      "env": {
        "NGT_AGENT_PRIVATE_KEY": "<NGT_AGENT_PRIVATE_KEY>",
        "NGT_MAX_PRICE": "<NGT_MAX_PRICE>",
        "NGT_SESSION_BUDGET": "<NGT_SESSION_BUDGET>",
        "NGT_USDC_MAX_PRICE": "<NGT_USDC_MAX_PRICE>",
        "NGT_USDC_SESSION_BUDGET": "<NGT_USDC_SESSION_BUDGET>",
        "NGT_PREFERRED_CURRENCY": "<NGT_PREFERRED_CURRENCY>",
        "NGT_MAX_FUNDING": "<NGT_MAX_FUNDING>",
        "NGT_HOST_HEADERS": "<NGT_HOST_HEADERS>",
        "NGT_HOME": "<NGT_HOME>"
      }
    }
  }
}

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

NextGen Token in other clients

NextGen Token MCP server