MCP server

Site Check

com.modernmustardseed/site-check

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Public website health scan, AI-crawler and structured-data readiness, and a local presence score.

Working at last checkVerified publisher: modernmustardseed.comAbout 1,615 tokens per request once connected4 tools

https://mcp.modernmustardseed.com/site-check

At a glance

Type: MCP server
Publisher: modernmustardseed.com (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 1,615 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

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 site-check https://mcp.modernmustardseed.com/site-check

Claude Desktop

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

Codex (config.toml)

[mcp_servers.site-check]
url = "https://mcp.modernmustardseed.com/site-check"

Gemini CLI

{"mcpServers":{"site-check":{"httpUrl":"https://mcp.modernmustardseed.com/site-check"}}}

Cursor

{"mcpServers":{"site-check":{"url":"https://mcp.modernmustardseed.com/site-check"}}}

VS Code

{"servers":{"site-check":{"type":"http","url":"https://mcp.modernmustardseed.com/site-check"}}}

Antigravity

agy mcp add site-check https://mcp.modernmustardseed.com/site-check

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":"site-check","server_url":"https://mcp.modernmustardseed.com/site-check","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"site-check","server_url":"https://mcp.modernmustardseed.com/site-check"}

check_ai_search_readiness ~205 tokens
Check whether AI assistants and answer engines can read and quote a public website: which AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended and others) its robots.txt allows or blocks, whether it publishes llms.txt, which structured data types it declares, how its title and description
explain_check ~255 tokens
Explain one Site Check check by its id (as returned by scan_website): what it measures, the pass and fail thresholds, why it matters, how to fix it, and the typical effort. Static reference, no network access.
scan_website ~419 tokens
Run a measured health check of a public website homepage: speed (server response, page weight, scripts, image formats), security (HTTPS, certificate expiry, security headers), domain registration expiry, email authentication (MX, SPF, DMARC), search basics (title, description, headings, indexability
score_local_presence ~736 tokens
Score a local business on three pillars, website (45 percent), Google reviews (30 percent) and Google Business Profile (25 percent), and return an overall 0 to 100 score, a letter grade, each pillar with its verdict, and the top fixes. The website pillar comes from a live scan when a website is give

Cite Files
Check whether AI assistants can reach, read and cite a public website. No account for 4 of 5 tools.
Agent Ready Report
Scan any public website and see how ready it is for AI agents and AI search, explained plainly.
Rankparse
SEO MCP server — backlinks, domain authority, tech stack, and 18+ tools via Common Crawl.
ActableSite AI Crawler Monitor
Check AI crawler robots.txt policy and monitor public-site policy, sitemap, and llms.txt changes.
Crawl Census
Ask before you fetch: will this domain serve your crawler, refuse it, or charge it?
Site SEO & AI Crawler Audit
Check public pages for SEO tags, AI crawler rules, AI citation signals and landing page conversion.
Convertlyft
Web analytics that names the fix: funnels, replays, errors, page speed and SEO for your site.
Nslookup
DNS lookups, health reports, SSL certs, security scans, GEO scoring, uptime checks

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