io.github.AKzar1el/mcp-web-validator

up checked 2026-11-11T06:40:29.102Z

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Publisher-provided title

Web Validator by DigestSEO

Publisher-provided description

Audit public webpages and supplied markup for HTML, CSS, SEO, JSON-LD, and link issues.

Summary by lookupd

Audits public webpages and supplied HTML for validation, SEO, JSON-LD syntax, CSS syntax, and broken links.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http web-validator https://web-validator-mcp.digestseo.com/mcp

Claude Code, npm package (stdio)

claude mcp add web-validator -- npx -y mcp-web-validator

Codex, remote (streamable-http)

codex mcp add web-validator --url https://web-validator-mcp.digestseo.com/mcp

Codex, npm package (stdio)

codex mcp add web-validator -- npx -y mcp-web-validator

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "web-validator": {
      "url": "https://web-validator-mcp.digestseo.com/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "web-validator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-web-validator"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (8 tools)

Publisher-provided text

• validate_html Use this when raw HTML markup is supplied. Sends that markup to the Nu HTML Checker hosted at validator.nu and returns validation messages. For a live URL, use
• validate_css Use this when raw CSS source is supplied. Parses it inside the Worker and returns syntax messages without contacting an external service.
• audit_seo_metadata Use this for a focused SEO/accessibility-signal check of supplied HTML. It does not fetch a live webpage; use audit_public_webpage for a URL.
• validate_schema_markup Use this for a focused JSON-LD syntax check of supplied HTML. It parses JSON only and does not validate Schema.org vocabulary semantics.
• check_broken_links Use this for a focused check of up to 20 public HTTP(S) links found in supplied HTML. It does not fetch base_url, follow redirects, or retain response bodies.
• generate_validation_report Use this when HTML markup is already supplied. Combines Nu HTML validation with local CSS, SEO, accessibility-signal, and JSON-LD syntax checks. It does not fet
• audit_public_webpage Use this when the user provides one live public webpage URL. Fetches one bounded static HTML response, then runs HTML validation, SEO/accessibility-signal, and
• audit_public_site Use this for a bounded, sitemap-first audit of a public website the user owns or is authorized to inspect. It fetches at most 8 same-origin HTML pages per call,

Changes

Newest first, as lookupd saw them

• 2026-11-11: version 1.3.47 → 1.3.48

Details

• Version: 1.3.48
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 693 ms
• First indexed: 2026-11-01T09:03:57.641Z
• Last seen in registry: 2026-11-11T15:17:15.544Z
• Repository: https://github.com/AKzar1el/mcp-web-validator
• Website: https://digestseo.com/validator-mcp/

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