Nel Veil runs on your own machine — the client starts it, so there is no endpoint to ping. 1 018 installs a week from npm. Last commit 25 Aug 2026.
Free passive security scanning - check any domain's DMARC, TLS, headers, and exposures.
Today is the operative word: we check Nel Veil every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add nel-veil -- npx -y nel-veil-mcp
{
"mcpServers": {
"nel-veil": {
"args": [
"-y",
"nel-veil-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.nel-veil]
command = "npx"
args = ["-y", "nel-veil-mcp"]
{
"mcpServers": {
"nel-veil": {
"args": [
"-y",
"nel-veil-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"nel-veil": {
"args": [
"-y",
"nel-veil-mcp"
],
"command": "npx"
}
}
}
Domain security scanning for AI agents. A-F grades, 8 checks, fix snippets.
Scan websites for security vulnerabilities, headers, TLS, and email security.
Free front-end security check for any website: a grade plus the secrets and keys it exposes.
Free web tools for AI agents: HTML to Markdown, compliance scan, page profile, security headers.
Read-only IT Health Check, domain security, recommendations, pricing, and draft enquiries.
Secret, CVE and dependency-vulnerability scanning for AI agents (free, OSV.dev).
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
Scans remote MCP servers for protocol, security, and TLS issues; exposes scan tools via MCP.
Answers built from our own checks of this server.