Aether Layer: EU VAT number validation (VIES) for Claude Desktop
com.aether-layer/eu-vat-validate
Validates EU VAT numbers: local format/checksum for 27 states + XI, then VIES (cached 24 h).
client:Claude Desktop
transport:streamable-http
tools:2
Install Aether Layer: EU VAT number validation (VIES) in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"eu-vat-validate": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://aether-layer.com/api/mcp?src=mcpreg"
]
}
}
}
Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs