Conversor IAE-CNAE

Overview

Conversor IAE-CNAE is the first fiscal MCP server for Spain, providing direct access to IAE and CNAE 2025 classifications, AEAT tax forms, IRPF and IVA calculations, and RETA quota information. Any MCP-compatible AI assistant can call its tools directly, letting the model decide when to use them during conversations or agent runs.

This is a remote hosted server at https://www.conversoriaecnae.es/api/mcp/mcp requiring only an API Key for authentication. Version v1.0.1 is available under the MIT license with source code at conversoriaecnae/mcp on GitHub.

Conversor IAE-CNAE is categorized under AI & Agents on mcp.site and works with all MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed and others. Maintainers can claim this listing to earn a Verified badge and keep information up to date.

Installation

Settings → Connectors → Add custom connector
Name: Conversor IAE-CNAE
URL:  https://www.conversoriaecnae.es/api/mcp/mcp