What is the key difference between Checker MCP and MCP Server?

Checker MCP belongs to the Security category with local stdio execution, while MCP Server belongs to the Security category with local stdio execution.

How do I install Checker MCP or MCP Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Checker MCP and MCP Server free or paid?

Checker MCP operates under a Free / Open Source model (No auth required). MCP Server operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Checker MCP lists 3 tools with 2 views and 0 GitHub stars. MCP Server lists 54 tools with 2 views and 6 GitHub stars.

Can I use both Checker MCP and MCP Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Checker MCP vs MCP Server

In-depth architectural comparison of the Checker MCP and MCP Server 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.

At a Glance & Executive Verdict

Checker MCP

Security · Local stdio

Quality: 56/100 (Good) | Auth: No auth required

MCP Server

Security · Local stdio

Quality: 65/100 (Great) | Auth: API Key required

Verdict Summary: Choose Checker MCP if you need specialized Security tools running via a local process. Choose MCP Server if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

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 MCP Server when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: RAD_MCP_TOKEN.
Primary tools included: list_containers, get_container_details, list_clusters.

Explore MCP Server Details

Feature & Specification Comparison

Specification	Checker MCP OksigeniaSL Security	MCP Server rad-security 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.	MCP server for RAD Security, providing AI-powered security insights for Kubernetes and cloud environments. This server provides tools for querying the Rad Security API and retrieving security findings, reports, runtime data and many more.
Category & Scope

Tools & Capabilities Breakdown

Checker MCP Tools (3)

check_domain

Scan a domain or URL and return a scored report from real live checks.

list_checks

List every check grouped by category, with the reason each one matters.

explain_check

Explain a single check by id, why it matters, and how to remediate a failure.

MCP Server Tools (54)

list_containers

List containers secured by RAD Security with optional filtering by image name, image digest, namespace, cluster_id, or free text search

get_container_details

Get detailed information about a container secured by RAD Security

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).

Checker MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "rad-security-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@rad-security/mcp-server"
      ],
      "env": {
        "RAD_MCP_TOKEN": "YOUR_RAD_MCP_TOKEN_HERE"
      }
    }
  }
}

Frequently Asked Questions

Checker MCP is categorized under Security and uses a local stdio subprocess. In contrast, MCP Server belongs to Security using local stdio subprocess. Select Checker MCP when you need capabilities focused on security and MCP Server when you require tools for security.

More alternatives to Checker MCP More alternatives to MCP Server Security category hub