Site Check

com.modernmustardseed/site-check

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

Yes, your AI can use this right now.Answered a live MCP handshake in 445 ms with no sign-in needed and exposes 4 tools.

Connect it

Settings → Connectors → Add custom connector
URL: https://mcp.modernmustardseed.com/site-check

4 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
scan_websiteread-only

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, sitemap), AI search readiness (structured data, AI crawler rules, llms.txt) and contact paths (tap

check_ai_search_readinessread-only

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 read, and the search and AI checks with fixes. Shares the 24 hour cache with scan_website.

score_local_presenceread-only

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 given. Review and profile facts (rating, review count, phone, address, hours) are supplied by the caller

explain_checkread-only

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.

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