Install Maxwell Directory (x402 + MCP) for Claude Desktop | MCPpedia

Install Maxwell Directory (x402 + MCP) for Claude Desktop

Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.

Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
Paste the JSON config below.
Replace placeholder secrets, then restart the client if it does not reload on its own.

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

{
  "mcpServers": {
    "maxwellinternational-data": {
      "command": "npx",
      "args": [
        "-y",
        "@maxwellintl/x402-mcp@0.2.0"
      ],
      "env": {
        "MAXWELL_WALLET_KEY_FILE": "",
        "MAXWELL_SOLANA_KEY_FILE": "",
        "MAXWELL_MAX_PER_CALL_USD": "0.05",
        "MAXWELL_DAILY_BUDGET_USD": "2"
      }
    }
  }
}

Official Claude Desktop docs