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MIT v0.1.5 SUNATPeruRUCRust

SUNAT RUC MCP para Peru

@kembec/ruc-mcp · Model Context Protocol Server

Install

npm install -g @kembec/ruc-mcp

No credentials required. Queries the public API at ruc.kembec.com.

Query Peru's SUNAT RUC taxpayer registry directly from Claude, Cursor, or any Model Context Protocol client. The server exposes a single buscar_ruc tool that returns the razón social, estado, condición de domicilio, and registered fiscal address for any 11-digit RUC number. Backed by the public API at ruc.kembec.com — no API key, no credentials, no registration required. Built in Rust as a single static binary.

npm GitHub

Things it handles

  1. Validate RUC numbers before issuing invoices or contracts

  2. Look up supplier or client details by RUC from within Claude

  3. Automate compliance checks in document-processing workflows

  4. Integrate taxpayer data into Cursor-assisted business logic

Configuration

					{
  "mcpServers": {
    "ruc": {
      "command": "npx",
      "args": ["-y", "@kembec/ruc-mcp"]
    }
  }
}
				
					[mcp_servers.ruc]
command = "npx"
args = ["@kembec/ruc-mcp"]

Tools 1

buscar_ruc

Look up a taxpayer by 11-digit RUC. Returns razón social, estado, condición de domicilio, and fiscal address.