Posts about AI Agents

September 11, 2026

10 min read

Validate Mexican RFC, CURP and CFDI Invoices from Claude, With No API Keys

MCP Claude CFDI Mexico TypeScript AI Agents

Typographic cover on a dark green grid: RFC · CFDI in large serif letters, a validate_rfc call on XAXX010101000 showing check_digit_satisfied false and is_generic true, and the npx command for mx-fiscal-mcp-server

12 min read

Migrating Your MCP Server to the 2026-07-28 Spec: What Breaks

MCP AI Protocols Migration AI Agents Backend

A persistent connection cable detaching while independent packets of light travel in parallel toward several servers

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