Mexican Tax & Banking
Validate RFC, CURP, CLABE and NSS, read CFDI 4.0 invoices and check their SAT status. No keys.
Install
npmstdio
npx -y mx-fiscal-mcp-server Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-ortamarco-mx-fiscal-mcp-server": {
"command": "npx",
"args": [
"-y",
"mx-fiscal-mcp-server"
]
}
}
}Source: official MCP Registry record · registry name io.github.OrtaMarco/mx-fiscal-mcp-server · published 2026-09-13 · updated 2026-09-13. Not an endorsement; review the code before connecting it to anything sensitive.