Mexican Tax & Banking for Claude Code

io.github.ortamarco/mx-fiscal-mcp-server

Validate RFC, CURP, CLABE and NSS, read CFDI 4.0 invoices and check their SAT status. No keys.

client:Claude Code transport:stdio runtime:npm

Install Mexican Tax & Banking in Claude Code

run in your project directory

claude mcp add mx-fiscal-mcp-server -- npx -y mx-fiscal-mcp-server

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs