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leobrival

check-meta

by leobrival

Serum plugin for Claude Code

0🍴 0📅 Jan 20, 2026

SKILL.md


name: check-meta description: Analyze and validate meta tags on web pages. Use when users ask to check meta tags, verify SEO tags, audit page titles, check Open Graph tags, verify canonical URLs, or analyze social sharing tags. Detects missing title, description issues, duplicate tags, and Open Graph problems.

Check Meta

Analyze and validate meta tags on web pages for SEO and social sharing.

Quick Start

cd /path/to/html-checker/scripts
bun src/check-meta.ts <URL>

CLI Options

OptionShortDefaultDescription
--verbose-vfalseShow all meta tags found
--json-jfalseOutput results as JSON

Checks Performed

CheckSeverityDescription
Missing titleErrorPage has no title tag
Title too shortWarningTitle under 30 characters
Title too longWarningTitle over 60 characters
Missing descriptionErrorNo meta description
Description too shortWarningDescription under 50 characters
Description too longWarningDescription over 160 characters
Missing canonicalWarningNo canonical URL specified
Missing og:titleInfoNo Open Graph title
Missing og:descriptionInfoNo Open Graph description
Missing og:imageInfoNo Open Graph image
Missing twitter:cardInfoNo Twitter card meta
Duplicate metaWarningSame meta tag appears twice

Usage Examples

# Basic check
bun src/check-meta.ts https://example.com

# Verbose output
bun src/check-meta.ts https://example.com --verbose

# JSON output
bun src/check-meta.ts https://example.com --json

Output Example

Meta Analysis for https://example.com

Title: "Example Domain" (14 chars)
Description: "This domain is for use in illustrative examples..." (156 chars)

SEO Tags:
  [OK] title: Example Domain
  [OK] description: This domain is for...
  [MISSING] canonical

Open Graph:
  [MISSING] og:title
  [MISSING] og:description
  [MISSING] og:image

Twitter:
  [MISSING] twitter:card
  [MISSING] twitter:title

Issues Found: 5
  [WARNING] Title too short (14 chars, min 30)
  [WARNING] Missing canonical URL
  [INFO   ] Missing og:title
  [INFO   ] Missing og:image
  [INFO   ] Missing twitter:card

Recommendations:
  - Expand title to 30-60 characters
  - Add canonical URL to prevent duplicate content
  - Add Open Graph tags for social sharing

SEO Best Practices

  • Title: 30-60 characters, include primary keyword
  • Description: 50-160 characters, compelling call-to-action
  • Canonical: Always specify to prevent duplicate content
  • Open Graph: Essential for social media sharing
  • Command: plugins/html-checker/commands/check-meta.md
  • Scripts: plugins/html-checker/scripts/src/check-meta.ts
  • Check Headings: plugins/html-checker/skills/check-headings/
  • Check Performance: plugins/html-checker/skills/check-performance/

Score

Total Score

60/100

Based on repository quality metrics

SKILL.md

SKILL.mdファイルが含まれている

+20
LICENSE

ライセンスが設定されている

+10
説明文

100文字以上の説明がある

0/10
人気

GitHub Stars 100以上

0/15
最近の活動

3ヶ月以内に更新がある

0/10
フォーク

10回以上フォークされている

0/5
Issue管理

オープンIssueが50未満

+5
言語

プログラミング言語が設定されている

+5
タグ

1つ以上のタグが設定されている

0/5

Reviews

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Reviews coming soon