MCP.Market

Looktwice MCP server

by eason4kim-rocket·io.github.eason4kim-rocket/looktwice-mcp·v0.1.1
No reviews yet

Email, EU VAT, IBAN, and domain validation plus evidence-backed U.S. CPSC recall screening.

B75/100grade B
Write a reviewInstall
What users say
No reviews yet
Be the first
Safety scan
B75/100

full report

Adoption
New

0 stars50 downloads/wk

Reviews

Write one

Nobody has reviewed Looktwice yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

Looktwice tools (6, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • cpsc_recall_match

    Match one product against U.S. CPSC recalls and Product Safety Warnings using brand, model, or UPC plus the product title. Returns evidence-backed candidates with official notice links. A result is a screening candidate, not a safety or compliance decision. Costs 3 LookTwice API units.

  • credits_balance

    Show the current LookTwice workspace credit balance.

  • domain_check

    Check a registrable domain's DNS, MX, TLS certificate, and RDAP registration state. Free within a daily fair-use quota.

  • email_checkwrite action

    Validate an email address: syntax, MX records, disposable-domain, role-account, and free-provider signals. Does not probe the mailbox; mailbox_status is always not_checked. Costs 2 LookTwice API units.

  • iban_check

    Validate an IBAN's country structure, expected length, and MOD-97 checksum, and extract the public bank identifier. Does not verify that the account exists or who owns it. Costs 1 LookTwice API unit.

  • vat_check

    Validate an EU VAT number against the official European Commission VIES service. Returns validity at request time, registered name/address when the member state provides them, and request evidence. Costs 1 LookTwice API unit.

Public scan report

scanner v0.1.10 · 2026-11-03 · same rubric, same numbers if you re-run it

no findings
  • Code scan3 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 81 days ago12/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Looktwice compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 45% of 916 Email servers
Tools
6
the typical Email server has 7
Tools that change things
17%
typical: 25%. Fewer write tools means less an agent can break
Downloads a week
50
more than 37% of 235 Email servers with a package

What its tools let an agent do: 5 read · 1 send or post

Install Looktwice in Claude Code, Cursor or VS Code

Runs npx -y looktwice-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add looktwice-mcp -- npx -y looktwice-mcp
Add to Cursor

What the publisher says

From the Looktwice repository's README, as published. We do not edit it. Read it on GitHub

looktwice-mcp

MCP (Model Context Protocol) server for the LookTwice API. Validate emails, EU VAT numbers, IBANs, and domains, and screen products against U.S. CPSC recalls and Product Safety Warnings — directly from Claude Desktop, Cursor, or any MCP client.

npx -y looktwice-mcp

Setup

accounts receive 100 free API units each month, no credit card required.

  1. Create a LookTwice account at looktwice.dev — verified
  1. Create an API key in the dashboard.
  2. Add the server to your MCP client configuration:
{
  "mcpServers": {
    "looktwice": {
      "command": "npx",
      "args": ["-y", "looktwice-mcp"],
      "env": {
        "LOOKTWICE_API_KEY": "lt_live_..."
      }
    }
  }
}

Tools

Compared with a single-purpose MCP

Most VAT or email MCP servers wrap one upstream. This server keeps the same evidence rules across email, VIES, IBAN, domain, and CPSC: timestamps, official sources, and no mailbox / account / safety claims.

Honest boundaries

or compliance decisions.

  • emailcheck never claims a mailbox exists (mailboxstatus: not_checked).
  • iban_check never claims an account exists or belongs to a person.
  • cpscrecallmatch returns screening candidates with official sources, not safety, legality,

Environment variables

License

MIT

Nothing above is checked by us. What we check is on the safety report.

Looktwice: common questions

Is Looktwice MCP server safe?
Mostly: it is graded B (75/100). Read the Looktwice safety report
How do I install Looktwice?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Looktwice need an API key?
Yes. The registry entry asks for LOOKTWICE_API_KEY.
Is Looktwice maintained?
The last commit was 81 days ago (2026-08-15). The latest release is v0.1.1.
What can I use instead of Looktwice?
Servers from other publishers that do the same job: smbCloud Mail & Auth MCP server, Palisade MCP server and Forward Email MCP server.
How does Looktwice compare with other Email MCP servers?
safety score 75/100 (higher than 45% of 916 Email servers); tools 6 (the typical Email server has 7); tools that change things 17% (typical: 25%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Looktwice

Same job from other publishers: the closest match first, then the best rated.

  • smbCloud Mail & Auth
    Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
    A
  • Palisade
    Monitor and manage email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) for your domains.
    A
  • Forward Email
    Privacy-focused email: domains, DNS verification, aliases, SMTP sending, mailboxes and calendars.
    A
  • Qmailing
    AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.
    A
  • Mailkite
    Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
    A

More from eason4kim-rocket →