validate_vat — Aether Layer: EU VAT number validation (VIES) MCP Tool
validate_vat
(validate vat) is one of 2 tools on the
Aether Layer: EU VAT number validation (VIES)
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call validate_vat from your client
- Claude Code Aether Layer: EU VAT number validation (VIES) validate_vat run in your project directory
- Claude Desktop Aether Layer: EU VAT number validation (VIES) validate_vat ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Aether Layer: EU VAT number validation (VIES) validate_vat ~/.cursor/mcp.json
- VS Code Aether Layer: EU VAT number validation (VIES) validate_vat .vscode/mcp.json
- Zed Aether Layer: EU VAT number validation (VIES) validate_vat ~/.config/zed/settings.json
- Windsurf Aether Layer: EU VAT number validation (VIES) validate_vat ~/.codeium/windsurf/mcp_config.json
- Cline Aether Layer: EU VAT number validation (VIES) validate_vat ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Aether Layer: EU VAT number validation (VIES) validate_vat ~/.gemini/settings.json
- Grok Aether Layer: EU VAT number validation (VIES) validate_vat .mcp.json (in your project root)
- ChatGPT Aether Layer: EU VAT number validation (VIES) validate_vat Settings → Connectors → Advanced → Developer mode
- Claude.ai Aether Layer: EU VAT number validation (VIES) validate_vat Settings → Connectors → Add custom connector
- LangChain Aether Layer: EU VAT number validation (VIES) validate_vat pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http eu-vat-validate https://aether-layer.com/api/mcp?src=mcpregOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 14 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.