Web Validator by DigestSEO
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| html_validate_local | Reads a bounded local HTML file and sends its markup to the W3C Nu HTML Checker. Use only files the user is authorized to share. |
| html_validate_url | Fetches a bounded public HTTP(S) page, then sends its markup to the W3C Nu HTML Checker. Private, reserved, credentialed, and nonstandard-port destinations are rejected. |
| css_validate_local | Reads a bounded local CSS file and sends it to the W3C Jigsaw CSS Validator. Use only files the user is authorized to share. |
| seo_audit_metadata | Analyzes supplied HTML locally for metadata, heading structure, viewport configuration, image alternatives, and Open Graph fields. |
| links_check_broken | Resolves and checks up to 25 public HTTP(S) links in supplied HTML. Redirects are reported but not followed, and response bodies are discarded. |
| schema_validate_markup | Parses JSON-LD blocks in supplied HTML locally and reports empty blocks or JSON syntax errors. It does not validate vocabulary semantics. |
| report_generate_validation | Combines W3C HTML/CSS validation, local SEO/accessibility checks, JSON-LD syntax checks, and a bounded public-link check into a Markdown and structured report. |
| screenshot_capture | Renders a local HTML file or HTTP(S) URL in a sandboxed local Chromium browser and writes PNG screenshots to the requested directory. Existing matching files may be replaced. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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