Aether Layer: EU VAT number validation (VIES) for LangChain
com.aether-layer/eu-vat-validate
Validates EU VAT numbers: local format/checksum for 27 states + XI, then VIES (cached 24 h).
client:LangChain
transport:streamable-http
tools:2
Install Aether Layer: EU VAT number validation (VIES) in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"eu-vat-validate": {
"transport": "streamable_http",
"url": "https://aether-layer.com/api/mcp?src=mcpreg",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs