Conciseness

Operational throughout with no explanations of concepts Claude already knows, but a few spots could be trimmed: the evidence-labeling mandate is stated twice ("Label every metric Measured, User-provided..." plus the "Quality bar" paragraph) and the "Done when" clause packs six hyphen-bound qualifiers into one sentence. Not 5 because of these redundancies; not 3 because there is no real padding or filler.

Actionability

Provides copy-paste-ready commands with flags and caveats ("python3 \"${CLAUDE_PLUGIN_ROOT}/scripts/connectors/firecrawl.py\" search \"<keyword>\" --limit 10" with --scrape/--country/--tbs, and the tavily --answer corroboration path), an exact weighted difficulty formula (Top-10 authority 25%, page authority 20%, content quality 20%, backlinks 20%, SERP stability 15%), and a concrete outlier threshold (">=2x the channel average"). Not 4: the common cases are covered end-to-end with executable commands, output templates, and a worked example reference.

Workflow Clarity

Eight clearly sequenced steps (bind query → map composition → analyze pages → patterns → features → intent → difficulty → recommendations) with explicit validation and feedback loops: missing inputs become "Unknown with its gap reason and prevents a partial True Difficulty score", stale observations become "NEEDS_REFRESH, not current evidence", and a "Done when" checklist plus "Quality bar" gate completion. Not 4: checkpoints are explicit and global, with error-recovery paths rather than implicit validation.

Progressive Disclosure

The body is a genuine overview that delegates bulk detail to three real, verified, one-level-deep bundle files (references/analysis-templates.md, references/example-report.md, references/serp-feature-taxonomy.md), each clearly signaled inline ("See [Analysis Templates](references/analysis-templates.md) for the compact templates") and again with annotations in the Reference Materials list. Not 4: content is appropriately split, navigation is easy, and no reference file chains to another.

Specificity

Names concrete, comprehensive capabilities — "maps SERP features, layout, ranking factors, search intent, AI Overviews, and snippet opportunities for a query" — with no gaps in domain coverage. Not 4: the enumerated scope covers the whole domain, matching the comprehensive-coverage anchor rather than 'minor gaps'.

Completeness

Explicitly answers both what ("maps SERP features, layout, ranking factors, search intent, AI Overviews, and snippet opportunities for a query") and when ("Use when the user asks to 'analyze the SERP' or 'SERP分析'") with concrete trigger phrases. Not 4: the 'when' is as explicit as the 'what', with a quoted trigger rather than a vague clause.

Trigger Term Quality

Includes a natural quoted trigger ("analyze the SERP"), the Chinese equivalents "SERP分析/搜索结果", and domain nouns like "AI Overviews" and "snippet opportunities", but misses common English variations such as "search results page" or "featured snippets". Not 5 because synonym coverage is incomplete; not 3 because the trigger phrase is exactly what a user would say.

Distinctiveness Conflict Risk

Occupies a clear SERP-analysis niche and actively disambiguates from the nearest neighbor: "Not for keyword demand discovery — use keyword-research". Not 4: the explicit negative boundary plus domain-specific triggers leave minimal overlap risk.