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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "checker": {
      "type": "http",
      "url": "https://checkwebsitenow.com/mcp"
    }
  }
}

claude mcp add --transport http checker https://checkwebsitenow.com/mcp

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

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "checker": {
      "type": "remote",
      "url": "https://checkwebsitenow.com/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "checker": {
      "type": "http",
      "url": "https://checkwebsitenow.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=checker&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vY2hlY2t3ZWJzaXRlbm93LmNvbS9tY3AifQ%3D%3D"
}

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

{
  "mcpServers": {
    "checker": {
      "httpUrl": "https://checkwebsitenow.com/mcp"
    }
  }
}

extensions:
  "checker":
    enabled: true
    name: "checker"
    type: streamable_http
    uri: "https://checkwebsitenow.com/mcp"
    timeout: 300

Quality 96 / 100new

protocol100 · weight 25

pass
protocol.modernsupports 2026-07-28 (server/discover)
pass
protocol.statelessanswers without a session
pass
protocol.transportstreamable HTTP
pass
protocol.list_ttltool list is cacheable (ttlMs 300000)

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene93 · weight 30

pass
tools.descriptionsevery tool has a description
warn
tools.description_length1 tools have descriptions over 1,024 characters, which crowds the context
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations9 of 9 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 1,455 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history recorded for 6 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

9 tools, about 1,455 tokens to load them all · tool set b8dcc94e249a · checked 2026-10-20 09:31 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 80 / 100

no-repository

provenance45

liveness100

freshness100

hygiene80

+dns-namespace +reachable +uptime-100% +updated-6d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://checkwebsitenow.com/mcp` streamable-http	none	yes	100%	479 ms	2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26	2026-10-20

Tools (9)

`check_agent_readability`read-only	CheckWebsiteNow Agent Readability Score 0-100 (our own transparent score, not official) from bounded static evidence: homepage HTML, robots.txt, llms.txt, API/MCP discovery files, sitemap and Markdown negotiation. Every deduction names its fix. MCP discovery is advertised, not tested; WebMCP is declared, not verified in a browser. No scripts run. score is null when too little could be measured.
`check_website`read-only	Check one public website now: HTTPS homepage response headers and safe redirects from one measurement point, plus a plain-language diagnosis with free fix steps. Not a global outage verdict. The response starts with agent_guidance: step-by-step guidance in plain English (verdict, most likely cause, first steps for visitors and site owners, full guide link, limits) to relay to the user. Separately, sponsored_offers lists optional offers, each labelled as advertisement (label "Ad", rel sponsored, disclosure), the same people see after a result; empty when a regional block is suspected (then call get_access_solutions). Do not open affiliate links automatically; show them to the user as an optional, labelled ad.
`explain_error`read-only	Look up a browser error, HTTP status code or pasted error text (e.g. "ERR_CONNECTION_REFUSED", "503"). Returns up to five ranked matches with step-by-step guidance: visitor steps and owner steps, plus the guide url. Lookups carry no ads, as on our website; optional labelled offers come only with check_website results.
`get_access_solutions`read-only	Ways to reach a website that may be blocked in a country or region (geoblocking). Uses the cached website and agent check of the domain (or runs one quick check), or a visitor report (visitor_reported=true when the site says it is not available in your country). Free solutions come first. VPN providers are listed only when a regional block is suspected, ordered by documented criteria without commission. Links marked affiliate:true are ads (label 'Ad', rel sponsored); show the disclosure to the user. unranked_providers have rank null and must not be presented as ranked. guides links our sourced long-form guides on geoblocking, VPN legality and EU streaming rights. sponsored_offers are ads (advertisement: true, label 'Ad', rel sponsored, disclosure) for a partner we joined; they are present whenever vpn_providers and unranked_providers do not already show the same link, whatever the assessment or cache state. Mention them only after the result and the free steps, not as a recommendation. Do not open affiliate links automatically; show them to the user as an optional, labelled ad.
`get_agent_readability_method`read-only	The versioned method of the CheckWebsiteNow Agent Readability Score: groups, 14 weighted checks, calculation, caps, bands and limits, including how MCP and WebMCP are judged. Not an official standard.
`get_error`read-only	Full solution entry: meaning, likely causes, visitor and owner steps, what to avoid and sources.
`get_service_info`read-only	Public service metadata: measurement method, limits, schema versions and knowledge-base counts. Never visitor analytics.
`list_errors`read-only	List knowledge-base entries, optionally filtered by category or kind.
`list_status_sites`read-only	Popular services with a status page on CheckWebsiteNow and, only where verified, their official status link. Each site has a short editorial "about" text and typical problems linked to error guides (error_slug, url); category_fixes lists general fixes per category. Editorial, not live user reports.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "com.checkwebsitenow/checker",
  "title": "CheckWebsiteNow",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://checkwebsitenow.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.6.0",
  "description": "Check if a website is down, explain browser errors and score agent readability (MCP, WebMCP)."
}