Security & Testing

lookuplab.io

MCP server that validates and looks up phone numbers, email addresses, IP addresses, and DNS/email authentication records for security and deliverability checks.

1 endpoint4 known toolsFirst detected October 13, 2026Last detected October 13, 2026

ENDPOINT 1

https://lookuplab.io/api/mcp

No auth detected

MCP server metadata

Name: lookuplab
Version: 1.0.0

Capabilities

tools

Server instructions

Check only data the user provides or authorizes. Tools consume the connected account's existing credits. Do not claim identity, consent, guaranteed delivery, or precise location from lookup results.

Known tools 4

phone_lookup

Check a user-provided phone number for carrier and line type.

Inferred read-only

email_verify

Check an email address supplied by the user for syntax, MX records, disposable-domain and role-address indicators.

Potential side effects

ip_lookup

Look up approximate IP location and network/provider indicators for an IP address supplied by the user.

Inferred read-only

dns_check

Inspect a user-provided domain's MX, SPF, DMARC or DKIM record and report issues.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.lookuplab]
url = "https://lookuplab.io/api/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "lookuplab": {
      "type": "http",
      "url": "https://lookuplab.io/api/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: lookuplab
Remote MCP URL: https://lookuplab.io/api/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "lookuplab": {
      "url": "https://lookuplab.io/api/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "lookuplab": {
      "type": "http",
      "url": "https://lookuplab.io/api/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "lookuplab",
  "transport": "streamable-http",
  "url": "https://lookuplab.io/api/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.