MCP.so
Sign In

RelayShield

@nzdsf2-gif

Repository

About RelayShield

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

Basic information

Category

Developer Tools

Transports

stdio

Publisher

nzdsf2-gif

Submitted by

nzdsf2-gif

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>"
      }
    }
  }
}

Tools

5

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

FAQ from RelayShield

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.

Comments

More Developer Tools MCP servers

Unity MCP (Server + Plugin)

IvanMurzak

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for fr

3.5K

test

cloudwego

The ultimate LLM/AI application development framework in Go.

12.2K

MCP Unity Editor (Game Engine)

CoderGamester

Model Context Protocol (MCP) plugin to connect with Unity Editor — designed for Cursor, Claude Code, Codex, Windsurf and other IDEs

1.8K

mcp-excalidraw

yctimlin

MCP server and Claude Code skill for Excalidraw — programmatic canvas toolkit to create, edit, and export diagrams via AI agents with real-time canvas sync.

2.1K

MCP Inspector

modelcontextprotocol

Visual testing tool for MCP servers

10.3K