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fixing-metadata

Audit and fix HTML metadata including page titles, meta descriptions, canonical URLs, Open Graph tags, Twitter cards, favicons, JSON-LD structured data, and robots directives. Use when adding or reviewing SEO and social metadata.

61

Quality

73%

Does it follow best practices?

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SecuritybySnyk

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tessl review fix ./skills/fixing-metadata/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

46%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The skill is a well-organized checklist of HTML metadata best practices with clear prioritization, but it reads more like a style guide than an actionable skill. Its biggest weakness is the complete absence of concrete code examples — no HTML snippets, no JSON-LD templates, no validation commands — which significantly limits its utility for Claude. There is also notable redundancy between the workflow and review guidance sections.

Suggestions

Add concrete HTML code examples for key metadata patterns: a complete <head> snippet with title, meta description, canonical, OG tags, and Twitter card tags.

Include a JSON-LD structured data template (e.g., Article or WebPage schema) showing correct format.

Add specific validation steps or commands (e.g., using structured data testing tools, checking for duplicate tags with a grep command, or a quick audit script).

Remove the 'review guidance' section or merge it into the workflow to eliminate redundancy.

DimensionReasoningScore

Conciseness

The content is mostly efficient but has notable redundancy: the workflow section (steps 1-5) largely repeats the 'review guidance' section at the bottom. The priority table and rule categories are well-structured, but some rules state things Claude already knows (e.g., 'escape and sanitize any user-generated or dynamic strings', 'JSON-LD must be valid'). The 'When to Use' section is somewhat redundant given the skill description.

3 / 5

Actionability

The skill provides high-level guidelines and checklists but lacks any concrete code examples, HTML snippets, or specific commands. For a skill about HTML metadata, there are no example meta tags, no OG tag templates, no JSON-LD examples, and no validation commands. The guidance is directional rather than executable.

2 / 5

Workflow Clarity

The workflow has a clear 5-step sequence and the priority table provides good ordering. However, there are no explicit validation checkpoints or feedback loops — step 4 says 'verify social cards render correctly' but doesn't specify how. There's no error recovery guidance or concrete validation steps for checking duplicate tags or canonical correctness.

3 / 5

Progressive Disclosure

The content is well-organized with clear sections, a priority table, and categorized rules. For a standalone skill with no bundle files, the structure is appropriate and navigable. Minor gap: some content like detailed JSON-LD examples or framework-specific patterns could be split into referenced files, but the current length doesn't strictly require it.

4 / 5

Total

12

/

20

Passed

Description

100%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This is an excellent skill description that comprehensively lists specific capabilities, includes abundant natural trigger terms, clearly answers both what and when, and occupies a distinct niche. It follows the third-person voice convention and is concise yet thorough.

DimensionReasoningScore

Specificity

Lists multiple specific concrete actions and elements: 'audit and fix HTML metadata including page titles, meta descriptions, canonical URLs, Open Graph tags, Twitter cards, favicons, JSON-LD structured data, and robots directives.' This is comprehensive coverage of the domain.

5 / 5

Completeness

Clearly answers both 'what' ('Audit and fix HTML metadata including...') and 'when' ('Use when adding or reviewing SEO and social metadata'). The 'when' clause provides explicit trigger guidance with concrete scenarios.

5 / 5

Trigger Term Quality

Includes a rich set of natural keywords users would actually say: 'HTML metadata', 'page titles', 'meta descriptions', 'canonical URLs', 'Open Graph tags', 'Twitter cards', 'favicons', 'JSON-LD', 'structured data', 'robots directives', 'SEO', 'social metadata'. These cover both technical and common user terminology.

5 / 5

Distinctiveness Conflict Risk

Highly distinctive with a clear niche focused on HTML metadata, SEO tags, and social sharing tags. The specific enumeration of elements like Open Graph, Twitter cards, JSON-LD, and canonical URLs makes it very unlikely to conflict with other skills.

5 / 5

Total

20

/

20

Passed

Validation

90%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

10

/

11

Passed

Repository
administrakt0r/AI-Agents-Safe-Coding-Skills
Reviewed

Table of Contents

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