AR Agents MCP Server

by ar-agentsio.github.ar-agents/mcpv0.4.11

Argentine business automation: Mercado Pago, AFIP/ARCA, WhatsApp, banking, shipping (7 packages).

1Node.jsstdioofficial registry

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Maintained2mo ago

Install AR Agents MCP server

claude mcp add ar-agents -e MP_ACCESS_TOKEN='<mp-access-token>' -e AFIP_CERT_PEM='<afip-cert-pem>' -e AFIP_KEY_PEM='<afip-key-pem>' -e WHATSAPP_ACCESS_TOKEN='<whatsapp-access-token>' -- npx -y @ar-agents/mcp

{
  "mcpServers": {
    "ar-agents": {
      "command": "npx",
      "args": [
        "-y",
        "@ar-agents/mcp"
      ],
      "env": {
        "MP_ACCESS_TOKEN": "<mp-access-token>",
        "AFIP_CERT_PEM": "<afip-cert-pem>",
        "AFIP_KEY_PEM": "<afip-key-pem>",
        "WHATSAPP_ACCESS_TOKEN": "<whatsapp-access-token>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "ar-agents": {
      "command": "npx",
      "args": [
        "-y",
        "@ar-agents/mcp"
      ],
      "env": {
        "MP_ACCESS_TOKEN": "<mp-access-token>",
        "AFIP_CERT_PEM": "<afip-cert-pem>",
        "AFIP_KEY_PEM": "<afip-key-pem>",
        "WHATSAPP_ACCESS_TOKEN": "<whatsapp-access-token>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "ar-agents": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@ar-agents/mcp"
      ],
      "env": {
        "MP_ACCESS_TOKEN": "<mp-access-token>",
        "AFIP_CERT_PEM": "<afip-cert-pem>",
        "AFIP_KEY_PEM": "<afip-key-pem>",
        "WHATSAPP_ACCESS_TOKEN": "<whatsapp-access-token>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "ar-agents": {
      "command": "npx",
      "args": [
        "-y",
        "@ar-agents/mcp"
      ],
      "env": {
        "MP_ACCESS_TOKEN": "<mp-access-token>",
        "AFIP_CERT_PEM": "<afip-cert-pem>",
        "AFIP_KEY_PEM": "<afip-key-pem>",
        "WHATSAPP_ACCESS_TOKEN": "<whatsapp-access-token>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
MP_ACCESS_TOKEN	—	yes	Mercado Pago access token (TEST- prefix for sandbox, APP_USR- for production). Enables MP tools.
AFIP_CERT_PEM	—	yes	AFIP/ARCA X.509 certificate (PEM string) for WSAA authentication. Enables CUIT padron + factura electronica tools.
AFIP_KEY_PEM	—	yes	AFIP/ARCA private key (PEM string) for WSAA authentication. Required if AFIP_CERT_PEM is set.
AFIP_CUIT	—	—	Issuer CUIT (Argentine tax ID) registered with the AFIP cert. Format: 20-XXXXXXXX-X.
WHATSAPP_ACCESS_TOKEN	—	yes	Meta WhatsApp Business Cloud API token. Enables WhatsApp tools.
WHATSAPP_PHONE_NUMBER_ID	—	—	Meta WhatsApp Business phone-number ID. Required if WHATSAPP_ACCESS_TOKEN is set.

Freshness

Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-07-28 · 2mo ago · GitHub
Latest release
2026-07-20 · 3mo ago · GitHub · @ar-agents/cli@0.1.1
Package published
no data · npm/PyPI
Registry entry updated
2026-05-08 · 5mo ago · official registry · v0.4.11

FAQ

›How do I install the AR Agents MCP server in Claude Code?

Run: claude mcp add ar-agents -e MP_ACCESS_TOKEN='<mp-access-token>' -e AFIP_CERT_PEM='<afip-cert-pem>' -e AFIP_KEY_PEM='<afip-key-pem>' -e WHATSAPP_ACCESS_TOKEN='<whatsapp-access-token>' -- npx -y @ar-agents/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does AR Agents require an API key?

Yes. It expects MP_ACCESS_TOKEN, AFIP_CERT_PEM, AFIP_KEY_PEM, WHATSAPP_ACCESS_TOKEN, of which 4 are secrets.

›Can I use AR Agents as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is AR Agents in the official MCP registry?

Yes, as io.github.ar-agents/mcp.