HTTP Check MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 537 installs a week from npm. Last commit 28 Oct 2026.
Check a URL live: status, timing, redirect chains and security headers; private hosts blocked
Today is the operative word: we check HTTP Check MCP 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 http-check-mcp -- npx -y @mrfentmen/http-check-mcp
{
"mcpServers": {
"http-check-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/http-check-mcp"
]
}
}
}
[mcp_servers.http-check-mcp]
command = "npx"
args = ["-y", "@mrfentmen/http-check-mcp"]
{
"mcpServers": {
"http-check-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/http-check-mcp"
]
}
}
}
{
"servers": {
"http-check-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/http-check-mcp"
]
}
}
}
Check if any website is up (status, latency, redirects, security headers) and set uptime alerts.
Live DNS, email-auth and redirect checks, HTTP security headers, uptime history, PC hardware prices.
React Native and Expo health check: upgrade blockers, store rules, crash risks, security findings
Fetch a URL's response headers and grade CSP, HSTS, X-Frame-Options and related security headers.
Free passive security scanning - check any domain's DMARC, TLS, headers, and exposures.
Contract and agent-package scans, phishing URL and OFAC checks, domain and header checks.
Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.
Check a site before you share it: link previews, SPA refresh 404s, noindex, security headers.
Answers built from our own checks of this server.