Web Validator by DigestSEO for ChatGPT

io.github.akzar1el/mcp-web-validator

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

client:ChatGPT transport:streamable-http runtime:npm tools:8

Install Web Validator by DigestSEO in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://web-validator-mcp.digestseo.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs