RunStack Checks

Connect Remote server

claude mcp add --transport http checks https://runstack.pro/api/mcp --header "X-RunStack-Key: <X_RUNSTACK_KEY>"

{
  "mcpServers": {
    "checks": {
      "url": "https://runstack.pro/api/mcp",
      "headers": {
        "X-RunStack-Key": "<X_RUNSTACK_KEY>"
      }
    }
  }
}

{
  "servers": {
    "checks": {
      "type": "http",
      "url": "https://runstack.pro/api/mcp",
      "headers": {
        "X-RunStack-Key": "<X_RUNSTACK_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://runstack.pro/api/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 8 found in our last check

• check_tls

  Scan a public host's TLS from the internet: certificate validity, chain completeness, expiry date, hostname match, enabled protocols (TLS 1.0–1.3), cipher suites, HSTS. Use when browsers show certificate errors, before/after renewing or rotating a certificate, or to confirm old…

• check_http

  Request a public URL from outside your network and inspect the HTTP layer: status code, full redirect chain, security headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy…), caching and compression headers. Use to debug redirect loops, unexpected status c…

• check_email_domain

  Audit a mail domain as other mail servers see it: MX, SPF (including the 10-DNS-lookup limit), DKIM, DMARC policy, PTR / forward-confirmed reverse DNS, SMTP STARTTLS on the MX hosts, MTA-STS, TLS-RPT, BIMI. Use when mail lands in spam or bounces, after changing mail provider or…

• check_dns

  Resolve a name at several public resolvers (Google, Cloudflare, Quad9, …) and compare their answers. Use after changing DNS records to check propagation, or when some users reach a different IP or get NXDOMAIN. Use check_email_domain instead for SPF/DKIM/DMARC analysis. Returns…

• check_port

  Check from the internet whether TCP ports of a public host are open, closed or filtered. Use to verify firewall / security group rules, or to find out why a service works locally but is unreachable from outside. Only public addresses are accepted; this does not test the applicat…

• check_ip

  Look up an IP address or ASN: owner organization, announced prefix, PTR (reverse DNS), RPKI validity and geolocation. Use to identify who is behind an address seen in logs or headers, or to check PTR / RPKI for a mail or BGP issue. Does not test reachability (use check_port).

• check_dnsbl

  Check whether an IP address or a domain is on email blocklists (DNSBL/RBL): Spamhaus ZEN and DBL, SpamCop, Barracuda, UCEPROTECT, Mailspike, SURBL, URIBL and others. For a domain, its own name is checked on domain lists and its A/AAAA addresses on IP lists. Use when mail bounces…

• check_domain_expiry

  Look up a domain's registration in the registry (RDAP, or WHOIS for .ru/.su/.рф): expiry date and days left, registrar, creation date, EPP status codes (clientHold, redemptionPeriod, transfer locks…) with explanations, nameservers and DNSSEC. Use to check when a domain must be r…

Headers

Details

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