RelayShield
About
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
Explore
- 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)
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
RelayShieldCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
pip install relayshield-mcp
Get your API key at relayshield.net
- check_breach — Check if an email address appears in known data breaches
- check_sim_swap — Detect SIM/eSIM swap activity on a phone number
- check_domain_lookalikes — Scan for typosquat/lookalike domains targeting your brand
- scan_url — Analyse a URL for phishing and malware signals (coming soon)
- scan_file — Scan a file hash for malware detection (coming soon)
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"relayshield": {
"relayshield": {
"command": "uvx",
"args": [
"relayshield-mcp"
],
"env": {
"RELAYSHIELD_API_KEY": "<YOUR_API_KEY>"
}
}
}
}
}McpServers
{
"relayshield": {
"command": "uvx",
"args": [
"relayshield-mcp"
],
"env": {
"RELAYSHIELD_API_KEY": "<YOUR_API_KEY>"
}
}
}What RelayShield Does
RelayShield gives AI agents and developers real-time identity and infrastructure threat detection via a single REST API.Sign in to leave a review
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