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ruslanlap

PageSpeed Insights MCP Server

by ruslanlap

get_full_audit

Run a comprehensive PageSpeed audit on any URL covering performance, accessibility, SEO, best practices, and PWA metrics.

Instructions

Get comprehensive audit results for all categories (performance, accessibility, SEO, best practices, PWA)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYesThe URL to analyze
strategyNoAnalysis strategymobile
categoriesNoCategories to audit
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, and the description does not disclose any behavioral traits (e.g., whether the tool is read-only, requires authentication, has rate limits, or has side effects). The description simply states what the tool does without behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, clear sentence with no redundant information. It efficiently conveys the tool's purpose without unnecessary elaboration.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema is provided, and the description does not explain the return format or structure. Given the tool returns comprehensive audit results, the lack of output details leaves the agent without critical context on what to expect.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with each parameter described. The description adds minimal value by listing categories that correspond to the 'categories' parameter, but does not enhance understanding beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool gets 'comprehensive audit results for all categories' and lists the five categories, effectively distinguishing it from sibling tools like 'get_performance_summary' or 'get_recommendations' which focus on specific subcategories.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance is provided on when to use this tool versus alternatives such as 'analyze_page_speed' or 'get_network_analysis'. The description only implies its use for full audits but does not explain when a user would prefer it over more targeted tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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