MCP server

certdesk Official

dev.certdesk/certdesk

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

TLS cert verdict (OK/WARN/CRITICAL/UNKNOWN) from the served chain: expiry, revocation, alerts

Website

At a glance

Type

MCP server

Publisher

certdesk.dev (verified by the MCP Registry)

Status

Working at last check

Tools

7

Token cost

About 1,899 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http certdesk https://certdesk.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.certdesk]
url = "https://certdesk.dev/mcp"

Gemini CLI

{"mcpServers":{"certdesk":{"httpUrl":"https://certdesk.dev/mcp"}}}

Cursor

{"mcpServers":{"certdesk":{"url":"https://certdesk.dev/mcp"}}}

VS Code

{"servers":{"certdesk":{"type":"http","url":"https://certdesk.dev/mcp"}}}

Antigravity

agy mcp add certdesk https://certdesk.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"certdesk","server_url":"https://certdesk.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"certdesk","server_url":"https://certdesk.dev/mcp"}

Tools

• check_certificate ~483 tokens
  Check one domain's TLS certificate and return a verdict: status OK | WARN | CRITICAL | UNKNOWN, judged from the certificate chain the server actually serves. Measured from Korean point A (full chain and CRL revocation) plus Korean point B and an overseas point on the Globalping public measurement ne
• check_dns ~105 tokens
  DNS and hosting facts for a domain: nameservers with DNS provider, A/AAAA with IP owner (ASN), CNAME, MX, CAA (which CAs may issue), SPF/DMARC, DNSSEC, registrar and domain expiry (RDAP).
• check_dns_propagation ~174 tokens
  Compare answers for one DNS record across resolvers: the authoritative nameservers, Korean ISPs (KT, SK Broadband, LG U+) and public resolvers (Cloudflare, Google, Quad9, OpenDNS), measured from a Korean network. Use it to confirm a TXT/CNAME for certificate domain validation (e.g. _acme-challenge)
• check_expiry ~254 tokens
  Verdict for up to 5 domains at once: status OK | WARN | CRITICAL | UNKNOWN per domain combining the served certificate (verification, days left, null when the server cannot be measured) and domain registration expiry (RDAP), plus Korean alert lines. Use this for inventories, CI gates (fail unless st
• check_security ~149 tokens
  Security posture check of a web server (no port scanning): TLS protocol support (legacy 1.0/1.1 detection via a Korean network probe), security headers (HSTS/CSP/X-Content-Type-Options/anti-clickjacking/Referrer-Policy), HTTP→HTTPS redirect, and certificate key/signature strength. Returns per-item p
• explain_tls_error ~132 tokens
  Explain a TLS/SSL certificate error message from a browser, curl/OpenSSL, Java, Python, Node.js, Go or .NET: likely causes, fixes, and links to step-by-step guides (Korean). Works offline from a curated knowledge base.
• watch_expiry ~602 tokens
  Subscribe an email address to free daily expiry monitoring of up to 5 domains (certificate, domain registration and security grade) with email alerts, plus an optional Slack/Discord/Telegram/webhook channel. Also alerts when Certificate Transparency logs show a new certificate for a domain from a CA

Browse

• Cloudflare tools
• Website monitoring
• Domains and DNS
• Email
• Team chat

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