io.github.xenarch-ai/xenarch-mcp MCP Server

io.github.xenarch-ai/xenarch-mcp

Repository Registry

What is the io.github.xenarch-ai/xenarch-mcp MCP server?

Xenarch — x402 MCP server for AI agent payments. Non-custodial, USDC on Base L2.

How to install io.github.xenarch-ai/xenarch-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

XENARCH_PRIVATE_KEY
secret
Wallet private key (hex, 0x-prefixed). Auto-generates on first run if omitted.
XENARCH_RPC_URL
Base RPC endpoint URL
XENARCH_NETWORK
Network for payments (base or base-sepolia)
XENARCH_MAX_PAYMENT_USD
Local per-call payment cap in USDC (default 1.00). The only spending ceiling in standalone mode; set 0 to disable. Connect XENARCH_API_TOKEN for managed per-tx/daily/monthly caps.
PORT
Port for HTTP server (default: 3000)
TRANSPORT
required
Set to 'http' to enable HTTP transport

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "xenarch-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@xenarch/agent-mcp"
      ],
      "env": {
        "XENARCH_PRIVATE_KEY": "<YOUR_XENARCH_PRIVATE_KEY>",
        "XENARCH_RPC_URL": "<YOUR_XENARCH_RPC_URL>",
        "XENARCH_NETWORK": "<YOUR_XENARCH_NETWORK>",
        "XENARCH_MAX_PAYMENT_USD": "<YOUR_XENARCH_MAX_PAYMENT_USD>",
        "PORT": "<YOUR_PORT>",
        "TRANSPORT": "<YOUR_TRANSPORT>"
      }
    }
  }
}

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