validate_vat_number — OpenAccountants MCP Tool
validate_vat_number
(validate vat number) is one of 14 tools on the
OpenAccountants
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call validate_vat_number from your client
- Claude Code OpenAccountants validate_vat_number run in your project directory
- Claude Desktop OpenAccountants validate_vat_number ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor OpenAccountants validate_vat_number ~/.cursor/mcp.json
- VS Code OpenAccountants validate_vat_number .vscode/mcp.json
- Zed OpenAccountants validate_vat_number ~/.config/zed/settings.json
- Windsurf OpenAccountants validate_vat_number ~/.codeium/windsurf/mcp_config.json
- Cline OpenAccountants validate_vat_number ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI OpenAccountants validate_vat_number ~/.gemini/settings.json
- Grok OpenAccountants validate_vat_number .mcp.json (in your project root)
- ChatGPT OpenAccountants validate_vat_number Settings → Connectors → Advanced → Developer mode
- Claude.ai OpenAccountants validate_vat_number Settings → Connectors → Add custom connector
- LangChain OpenAccountants validate_vat_number pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http openaccountants https://www.openaccountants.com/api/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 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.