RelayShield MCP Server

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Basic information

About RelayShield MCP Server

RelayShield gives AI agents and developers real-time identity and infrastructure threat detection via a single REST API. Monitor breach exposure, SIM/eSIM swap attacks, and domain lookalikes. Install as a native MCP server for Claude Desktop and Claude Code in one line: pip insta

#cybersecurity#identity-protection#breach-detection#sim-swap#mcp #claude #ai-agents

RelayShield MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "relayshield": {
      "command": "uvx",
      "args": [
        "relayshield-mcp"
      ],
      "env": {
        "RELAYSHIELD_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

RelayShield MCP Server tools

Check if an email address appears in known data breaches

Detect SIM/eSIM swap activity on a phone number

Scan for typosquat/lookalike domains targeting your brand

Analyse a URL for phishing and malware signals *(coming soon)*

Scan a file hash for malware detection *(coming soon)*

Overview

What is RelayShield?

RelayShield gives AI agents and developers real-time identity and infrastructure threat detection through a single REST API.

How to use RelayShield?

Install the package with pip install relayshield-mcp, obtain an API key from relayshield.net, then configure the server with your API key.

Key features of RelayShield

Real-time email breach checks
SIM/eSIM swap activity detection
Domain lookalike and typosquat scanning
URL phishing analysis (coming soon)
File hash malware scanning (coming soon)

Use cases of RelayShield

Verify user identity risk before high-value transactions
Alert users when their credentials appear in a breach
Detect infrastructure attacks against your domain in real time
Add security tooling to any Claude Desktop or AI agent workflow

Frequently asked questions

How does RelayShield integrate with AI agents?

It provides a simple REST API and dedicated MCP tools, making it easy to add threat detection capabilities to any AI workflow.

What detection tools are currently available?

Currently available: `check_breach`, `check_sim_swap`, and `check_domain_lookalikes`. `scan_url` and `scan_file` are coming soon.

How do I get started with RelayShield?

Run `pip install relayshield-mcp`, then get your API key at relayshield.net.

What is the status of `scan_url` and `scan_file`?

Both tools are marked as "coming soon" and are not yet available.

Can I use RelayShield with Claude Desktop?

Yes, the server is designed to be used with Claude Desktop and other AI agent frameworks.

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