Abnormal Security MCP vs Arelay

In-depth architectural comparison of the Abnormal Security MCP and Arelay 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 Abnormal Security MCP when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Abnormal Security MCP Details

Choose Arelay when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Arelay Details

Feature & Specification Comparison

Specification	Abnormal Security MCP Communication	Arelay Communication
Summary	Abnormal Security email threats, cases, and reporting in your terminal and your AI agents.	Encrypted inbox for AI agents — deliver reports and files, and submit email for human review.
Category & Scope	Communication	Communication
Quality signal

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": {
    "abnormal-security-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

{
  "mcpServers": {
    "arelay": {
      "command": "npx",
      "args": [
        "-y",
        "@arelay/cli"
      ]
    }
  }
}

Related MCP Server Comparisons