Skill Claude CodeCodex
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance…
Instructions file CodexOpenCode
AGENTS.md instructions for ar-agents/ar-agents: This repo improves itself. If you are an agent session working on this repo.
Skill Claude CodeCodex
Fetch the official ARCA (ex-AFIP) Constancia de Inscripción for an Argentine CUIT from the PUBLIC web form (no Clave Fiscal, no login). Returns the parsed fiscal situation — régimen (monotributo + categoría / responsable inscripto / exento), domicilio fiscal, actividades CLAE, impuestos, fecha de inscripción — AND the…
MCP server Claude CodeCodexCursor
Argentine business automation: Mercado Pago, AFIP/ARCA, WhatsApp, banking, shipping (7 packages). Runs locally from the @ar-agents/mcp npm package. Needs 6 environment variables to run.