Checker MCP vs Domainintel MCP

In-depth architectural comparison of the Checker MCP and Domainintel MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Checker MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: check_domain, list_checks, explain_check.

Explore Checker MCP Details

Choose Domainintel MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: whois_lookup, dns_records, ssl_certificate.

Explore Domainintel MCP Details

Feature & Specification Comparison

Specification	Checker MCP OksigeniaSL Security	Domainintel MCP Security
Summary	Domain security & privacy checker: 17 live checks (SPF, DMARC, DKIM, DNSSEC, TLS, CAA, security headers) scored 0-100 with remediation. Local-first, zero telemetry. In the official MCP Registry as com.oksigenia/checker-mcp; npm @oksigenia/checker-mcp.	Domain intelligence for agents: WHOIS, DNS, SSL/TLS, security headers, reputation, subdomains.
Category & Scope	Security

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "oksigeniasl-checker-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@oksigenia/checker-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "domainintel-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@domainintel/mcp"
      ]
    }
  }
}

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