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NextGen Token

Official registry Other

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

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @ngtchain/mcp
Claude Code 
claude mcp add nextgen-token -e 'NGT_AGENT_PRIVATE_KEY=<your ngt_agent_private_key>' -e 'NGT_MAX_PRICE=<NGT_MAX_PRICE>' -e 'NGT_SESSION_BUDGET=<NGT_SESSION_BUDGET>' -- npx -y @ngtchain/mcp@1.1.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "nextgen-token": {
            "command": "npx",
            "args": [
                "-y",
                "@ngtchain/mcp@1.1.2"
            ],
            "env": {
                "NGT_AGENT_PRIVATE_KEY": "<your ngt_agent_private_key>",
                "NGT_MAX_PRICE": "<NGT_MAX_PRICE>",
                "NGT_SESSION_BUDGET": "<NGT_SESSION_BUDGET>"
            }
        }
    }
}

Environment variables

  • NGT_AGENT_PRIVATE_KEY required secret Wallet key that signs NGT payments. Use a dedicated wallet.
  • NGT_MAX_PRICE Most one call may pay, in NGT. Default 0.01.
  • NGT_SESSION_BUDGET Most pay_and_fetch may spend per server session, in NGT. Default 0.1.

Frequently asked questions

What is NextGen Token?

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

How do I install NextGen Token?

It runs on your machine. In Claude Code: claude mcp add nextgen-token -e 'NGT_AGENT_PRIVATE_KEY=<your ngt_agent_private_key>' -e 'NGT_MAX_PRICE=<NGT_MAX_PRICE>' -e 'NGT_SESSION_BUDGET=<NGT_SESSION_BUDGET>' -- npx -y @ngtchain/mcp@1.1.2. For other clients, paste the JSON configuration from this page into their MCP settings.

Does NextGen Token need an API key?

Yes. It expects NGT_AGENT_PRIVATE_KEY, which you set in its configuration.

Is NextGen Token open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains NextGen Token?

It is published by Har50. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.