Web Validator by DigestSEO
HTML, SEO & website audits
Validate HTML and CSS, inspect SEO metadata and structured data, check public links, and run bounded sitemap-first audits of authorized public websites. No local-file access or website modifications.
MCP connector
- Server URL
https://web-validator-mcp.digestseo.com/mcp- Login
- None
- Protocol
- MCP 2025-11-25
- Instructions
Use this app only for markup and public webpages the user owns or is authorized to inspect. For one live public page, use . For a bounded sitemap-first public-site audit, use ; it audits at most eight same-origin pages per call, respects robots.txt, does not recursively follow HTML links, and never runs site-wide link checks. For pasted markup, use the focused markup tools or . No tool modifies user data. HTML validation sends markup to the Nu HTML Checker hosted at validator.nu; CSS syntax, SEO, and JSON-LD checks run inside the Worker. Link checking is optional only on the focused markup/page tools, contacts eligible public links, and never follows redirects. Do not submit credentials, health data, payment data, or other sensitive personal data.
Tools
Reads data8
Skills
1 in the ChatGPT listing