LookTwice MCP

An MCP server that integrates the LookTwice API to provide validation services for emails, EU VAT numbers, IBANs, and domains, along with screening products against U.S. CPSC recalls. It supports tools like email_check, vat_check, iban_check, domain_check, and cpsc_recall_match, offering evidence-backed results with official sources and timestamps.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by eason4kim-rocket

You need:Create a LookTwice account at looktwice.devCreate an API key in the dashboard

Vendor documentation

What you can do with it

Validate email syntax and provider signals
Check EU VAT numbers via VIES
Verify IBAN structure and checksums
Screen products against CPSC recalls

Source and maintenance

Community listingRegistry 0.1.1

mcp-registry: io.github.eason4kim-rocket/looktwice-mcp@0.1.1 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

looktwice-mcp 0.1.1

npm

looktwice-mcp package definition

{
  "version": "0.1.1",
  "transport": "stdio",
  "identifier": "looktwice-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "LOOKTWICE_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "LookTwice API key; create one at https://looktwice.dev/dashboard"
    },
    {
      "name": "LOOKTWICE_BASE_URL",
      "format": "string",
      "description": "Override the API base URL (defaults to https://api.looktwice.dev)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "looktwice-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "looktwice-mcp@0.1.1"
      ],
      "env": {
        "LOOKTWICE_API_KEY": "<YOUR_LOOKTWICE_API_KEY>",
        "LOOKTWICE_BASE_URL": "<YOUR_LOOKTWICE_BASE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "looktwice-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "looktwice-mcp@0.1.1"
      ],
      "env": {
        "LOOKTWICE_API_KEY": "<YOUR_LOOKTWICE_API_KEY>",
        "LOOKTWICE_BASE_URL": "<YOUR_LOOKTWICE_BASE_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "looktwice-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "looktwice-mcp@0.1.1"
      ],
      "env": {
        "LOOKTWICE_API_KEY": "<YOUR_LOOKTWICE_API_KEY>",
        "LOOKTWICE_BASE_URL": "<YOUR_LOOKTWICE_BASE_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "looktwice-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "looktwice-mcp@0.1.1"
      ],
      "env": {
        "LOOKTWICE_API_KEY": "<YOUR_LOOKTWICE_API_KEY>",
        "LOOKTWICE_BASE_URL": "<YOUR_LOOKTWICE_BASE_URL>"
      }
    }
  }
}

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