Argentine business automation: Mercado Pago, AFIP/ARCA, WhatsApp, banking, shipping (7 packages).
Connect Runs on your machine
claude mcp add mcp -e MP_ACCESS_TOKEN=<MP_ACCESS_TOKEN> -e AFIP_CERT_PEM=<AFIP_CERT_PEM> -e AFIP_KEY_PEM=<AFIP_KEY_PEM> -e AFIP_CUIT=<AFIP_CUIT> -e WHATSAPP_ACCESS_TOKEN=<WHATSAPP_ACCESS_TOKEN> -e WHATSAPP_PHONE_NUMBER_ID=<WHATSAPP_PHONE_NUMBER_ID> -- npx -y @ar-agents/[email protected]{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@ar-agents/[email protected]"
],
"env": {
"MP_ACCESS_TOKEN": "<MP_ACCESS_TOKEN>",
"AFIP_CERT_PEM": "<AFIP_CERT_PEM>",
"AFIP_KEY_PEM": "<AFIP_KEY_PEM>",
"AFIP_CUIT": "<AFIP_CUIT>",
"WHATSAPP_ACCESS_TOKEN": "<WHATSAPP_ACCESS_TOKEN>",
"WHATSAPP_PHONE_NUMBER_ID": "<WHATSAPP_PHONE_NUMBER_ID>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@ar-agents/[email protected]"
],
"env": {
"MP_ACCESS_TOKEN": "<MP_ACCESS_TOKEN>",
"AFIP_CERT_PEM": "<AFIP_CERT_PEM>",
"AFIP_KEY_PEM": "<AFIP_KEY_PEM>",
"AFIP_CUIT": "<AFIP_CUIT>",
"WHATSAPP_ACCESS_TOKEN": "<WHATSAPP_ACCESS_TOKEN>",
"WHATSAPP_PHONE_NUMBER_ID": "<WHATSAPP_PHONE_NUMBER_ID>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@ar-agents/[email protected]"
],
"env": {
"MP_ACCESS_TOKEN": "<MP_ACCESS_TOKEN>",
"AFIP_CERT_PEM": "<AFIP_CERT_PEM>",
"AFIP_KEY_PEM": "<AFIP_KEY_PEM>",
"AFIP_CUIT": "<AFIP_CUIT>",
"WHATSAPP_ACCESS_TOKEN": "<WHATSAPP_ACCESS_TOKEN>",
"WHATSAPP_PHONE_NUMBER_ID": "<WHATSAPP_PHONE_NUMBER_ID>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MP_ACCESS_TOKENOptional, secret | Mercado Pago access token (TEST- prefix for sandbox, APP_USR- for production). Enables MP tools. |
AFIP_CERT_PEMOptional, secret | AFIP/ARCA X.509 certificate (PEM string) for WSAA authentication. Enables CUIT padron + factura electronica tools. |
AFIP_KEY_PEMOptional, secret | AFIP/ARCA private key (PEM string) for WSAA authentication. Required if AFIP_CERT_PEM is set. |
AFIP_CUITOptional | Issuer CUIT (Argentine tax ID) registered with the AFIP cert. Format: 20-XXXXXXXX-X. |
WHATSAPP_ACCESS_TOKENOptional, secret | Meta WhatsApp Business Cloud API token. Enables WhatsApp tools. |
WHATSAPP_PHONE_NUMBER_IDOptional | Meta WhatsApp Business phone-number ID. Required if WHATSAPP_ACCESS_TOKEN is set. |
Details
| Package | @ar-agents/[email protected] (NPM, stdio) |
| First published | 8 May 2026 |
| Last updated | 8 May 2026 |
| Registry name | io.github.ar-agents/mcp |
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