MCP server

WebUpCheck — DNS, Website & Provider Diagnostics Official

com.webupcheck/webupcheck

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

DNS comparison, Claude and cloud components/incidents, and website diagnostics. Free; no API key.

Website

At a glance

Type

MCP server

Publisher

webupcheck.com (verified by the MCP Registry)

Status

Working at last check

Tools

7

Token cost

About 1,680 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 webupcheck https://webupcheck.com/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.webupcheck]
url = "https://webupcheck.com/mcp"

Gemini CLI

{"mcpServers":{"webupcheck":{"httpUrl":"https://webupcheck.com/mcp"}}}

Cursor

{"mcpServers":{"webupcheck":{"url":"https://webupcheck.com/mcp"}}}

VS Code

{"servers":{"webupcheck":{"type":"http","url":"https://webupcheck.com/mcp"}}}

Antigravity

agy mcp add webupcheck https://webupcheck.com/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":"webupcheck","server_url":"https://webupcheck.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"webupcheck","server_url":"https://webupcheck.com/mcp"}

Tools

• check_dns ~292 tokens
  Use for public-domain DNS diagnosis: compare A/AAAA/CNAME/NS/MX/TXT/CAA records, TTL, DNS response codes and resolver-reported DNSSEC AD. One record type per call (default A), compared across two public recursive resolvers. Distinguishes NXDOMAIN, NOERROR without requested records, SERVFAIL, resolve
• check_website ~214 tokens
  Use when a public website will not load or you need a fresh server-side availability observation. Returns HTTP status, DNS answers, redirect chain, HTTPS connection evidence, timestamps and bounded retry attempts. Blocked or inconclusive is not proof of a global outage. No API key. API/MCP share cac
• get_provider_components ~292 tokens
  Use to distinguish Claude API/Claude Code, OpenAI Responses/Chat Completions and other listed components from a working homepage. Supported: Claude, OpenAI, Cloudflare, GitHub, Wikimedia. Optional component accepts an exact ID or case-insensitive name substring; no match is unknown, never operationa
• get_provider_incidents ~280 tokens
  Use for official active incident reports from Claude, OpenAI, Google Cloud, Google Workspace, Google Search, Cloudflare, GitHub or Wikimedia. Returns affected components where reported, source links, updates, retrieval timestamps and explicit availability/staleness. Missing or stale data is unknown,
• get_service_status ~170 tokens
  Read the latest scheduled homepage observation and up to 12 recent samples for a curated service. Includes freshness, scope and the official status link. Does not make a new request to the target website. Scheduled about every 15 minutes; stale after 35 minutes. Not an official or global outage repo
• investigate_incident ~335 tokens
  Use when a public endpoint fails and you need evidence-based next steps. Combines one protected HTTP/DNS check, existing homepage history where supported, and optional official provider incidents. Provider is inferred only for known provider-owned hostnames; pass provider for a known dependency of a
• list_monitored_services ~97 tokens
  Discover curated service IDs, homepage URLs, measurement scopes and official status dashboards. No new website probe. Use get_service_status for existing observations or check_website for any public hostname.

Browse

• Claude tools
• GitHub tools
• Domains and DNS
• GitHub and code hosting
• Cloud and hosting
• Calling other AI models

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