Lists multiple concrete actions: verifies factual claims, uses web search and official sources, proposes corrections with user confirmation. Also specifies the types of content supported (AI model specs, technical documentation, statistics, general factual statements).

Clearly answers both 'what' (verifies factual claims using web search and official sources, proposes corrections) and 'when' (explicit 'Use when...' clause listing multiple trigger scenarios). Both are well-articulated.

Includes strong natural trigger terms users would say: 'fact-check', 'verify information', 'validate claims', 'check accuracy', 'update outdated information'. These cover common variations of how users would phrase such requests.

The combination of fact-checking, web search verification, and correction proposal creates a clear niche. The specific trigger terms like 'fact-check' and 'validate claims' are distinct from general document editing or search skills.

The skill is moderately verbose. While most content is useful, there's unnecessary padding: the 'When to use' trigger phrases duplicate frontmatter intent, the examples section restates the workflow without adding new information, and some sections like 'Limitations' and 'Next Step: Export Verified Content' add marginal value. The search best practices section, while useful, could be tightened.

The skill provides concrete, executable guidance throughout: specific search queries, a structured comparison table format, a detailed correction report template, an actual Edit tool invocation example, and specific source URLs to check. The status codes and query examples are immediately usable.

The 5-step workflow is clearly sequenced with explicit validation checkpoints: a progress checklist at the top, a mandatory user approval gate before applying changes (Step 5), post-edit verification, and a quality checklist at the end. The feedback loop for handling ambiguity and source conflicts is well-defined.

The content is well-structured with clear headers and logical sections, but it's a long monolithic document (~200 lines of substantive content) that could benefit from splitting detailed reference material (search best practices, special considerations, examples) into separate files. No external file references are used despite the length warranting them.