MCP (Claude Desktop & Code)

Configuration-only setup. No code to write.

Claude Code

claude mcp add xenarch -- npx @xenarch/agent-mcp

Done. The three Xenarch tools are now available.

Claude Desktop

Edit your config file:

macOS
Windows

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

%APPDATA%\Claude\claude_desktop_config.json

Add the Xenarch server:

{
  "mcpServers": {
    "xenarch": {
      "command": "npx",
      "args": ["@xenarch/agent-mcp"],
      "env": {
        "XENARCH_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY"
      }
    }
  }
}

Restart Claude Desktop.

Test it

Try these prompts:

“Check if example.com has a Xenarch payment gate”
“Pay for access to example.com and show me the content”
“Show my Xenarch payment history”

Testnet

For testing without real funds:

{
  "mcpServers": {
    "xenarch": {
      "command": "npx",
      "args": ["@xenarch/agent-mcp"],
      "env": {
        "XENARCH_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY",
        "XENARCH_NETWORK": "base-sepolia",
        "XENARCH_RPC_URL": "https://sepolia.base.org"
      }
    }
  }
}

Troubleshooting

Issue	Fix
Tools not appearing	Restart Claude Desktop. Run `npx @xenarch/agent-mcp` in terminal to check for errors.
”No wallet configured”	Set `XENARCH_PRIVATE_KEY` in the env block or create `~/.xenarch/wallet.json`.
”Insufficient USDC”	Fund your wallet with USDC on Base. Need ~$0.01 ETH for gas too.

Getting Started

MCP Server

Smart Contract

Integrations

Examples

MCP (Claude Desktop & Code)

Claude Code

Claude Desktop

Test it

Testnet

Troubleshooting

​Claude Code

​Claude Desktop

​Test it

​Testnet

​Troubleshooting

Claude Code

Claude Desktop

Test it

Testnet

Troubleshooting