Web Validator by DigestSEO MCP Server

An MCP server for HTML and CSS validation, technical SEO and accessibility checks, JSON-LD syntax validation, broken-link checks, and responsive screenshots. It is part of the DigestSEO suite of open-source SEO tools. It is available as a remote MCP endpoint.

Teams that work with accessibility, css validator and developer tools and want a hosted endpoint instead of running a local process. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-08 · ★ 7 · #790 OF 945 MAINTAINED OTHER · VERIFIED 2026-09-18

MIT · TypeScript servers · how we verify → /methodology

01 · Install Web Validator by DigestSEO

Claude Code

claude mcp add akzar1el-mcp-web-validator --transport http https://web-validator-mcp.digestseo.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "akzar1el-mcp-web-validator": {
      "url": "https://web-validator-mcp.digestseo.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

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

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-09-17

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to web-validator-mcp.digestseo.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license MIT - declared in the repository

registry namespace io.github.AKzar1el is GitHub-verified and matches the repo owner

03 · What Web Validator by DigestSEO can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.1.0 · 2026-08-29

Stable GitHub release for mcp-web-validator 1.1.0. · Highlights: · Added concise, tool-specific result summaries with prioritized fixes and clear next steps. · Added a shared hosted result overview with truthful status…

04 · Who maintains Web Validator by DigestSEO

Web Validator by DigestSEO is maintained by akzar1el. We track 4 MCP servers from akzar1el - 4 actively maintained, 18 combined GitHub stars, oldest repo from Mar 2026. Full record: all servers from akzar1el.

  1. Google News & Trends MCP Query Google News RSS feeds and search interest over time via Google Trends. ★ 5

05 · Facts

category
other - ranked #790 of 945 actively-maintained other servers as of 2026-09-18.
release cadence
1 release in the last 90 days (latest 2026-08-29)
registry
io.github.AKzar1el/mcp-web-validator (active, first published 2026-07-11 · 3 versions)

06 · Web Validator by DigestSEO FAQ

What is Web Validator by DigestSEO?

An MCP server for HTML and CSS validation, technical SEO and accessibility checks, JSON-LD syntax validation, broken-link checks, and responsive screenshots. It is part of the DigestSEO suite of open-source SEO tools. It is available as a remote MCP endpoint.

Is Web Validator by DigestSEO still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-08 and it shipped 1 release in the last 90 days. We re-verify nightly.

How do I install Web Validator by DigestSEO?

Run `claude mcp add akzar1el-mcp-web-validator --transport http https://web-validator-mcp.digestseo.com/mcp`. You can also paste the ready-made client config above.

Does Web Validator by DigestSEO require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-09-17; you can connect without credentials.

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