MCP Server

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

Name: io.github.xenarch-ai/xenarch-mcp MCP Server
Author: io.github.xenarch-ai

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

Claude Desktop

~/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>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.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>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_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>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "xenarch-mcp": {
      "type": "stdio",
      "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>"
      }
    }
  }
}

Claude Code

claude mcp add xenarch-mcp --env XENARCH_PRIVATE_KEY=<YOUR_XENARCH_PRIVATE_KEY> --env XENARCH_RPC_URL=<YOUR_XENARCH_RPC_URL> --env XENARCH_NETWORK=<YOUR_XENARCH_NETWORK> --env XENARCH_MAX_PAYMENT_USD=<YOUR_XENARCH_MAX_PAYMENT_USD> --env PORT=<YOUR_PORT> --env TRANSPORT=<YOUR_TRANSPORT> -- npx -y @xenarch/agent-mcp