WebPerformance Inquiry Broker (MCP Service)

This Model Context Protocol (MCP) intermediary service augments the analytical capabilities of Artificial Intelligence systems by integrating the functionality of the Google PageSpeed Insights (PSI) service. It functions as a secure conduit, allowing AI agents to solicit and process in-depth performance assessments for specified Uniform Resource Locators (URLs).

Service Synopsis

The primary function of this broker is to empower AI assistants with the capacity to execute thorough evaluations of digital asset performance. Upon integration, models gain access to query and synthesize detailed throughput measurements, Core Web Vitals figures, and supplementary essential metrics pertaining to web rendering and responsiveness.

Deployment Procedure

Automated Deployment via Smithery

For seamless, automated provisioning into environments like Claude Desktop, utilize the Smithery CLI:

bash npx -y @smithery/cli install mcp-pagespeed-server --client claude

Manual Setup

For direct dependency management:

bash npm install pagespeed-mcp-server

System Configuration Directives

Integrate this PageSpeed Broker into the configuration manifest of your cognitive assistant (e.g., Claude's configuration file) as follows:

{ "pagespeed_broker": { "execution_path": "node", "execution_arguments": ["path/to/mcp-pagespeed-server/dist/index.js"], "environment_variables": { "GOOGLE_API_KEY": "" } } }

Functional Scope

Throughput Metrics Evaluation

Initial Content Paint (FCP) measurement
Primary Contentful Paint (LCP) latency
Time to Operational Status (TTI)
Total Interruption Duration (TBT)
Cumulative Shift Magnitude (CLS)
Visual Completeness Index
Time to Initial Byte Transfer (TTFB)

Adherence to Best Practices Auditing

SSL/HTTPS protocol validation
Detection of JavaScript runtime exceptions
Monitoring of browser console advisories
Identification of obsolete API calls
Verification of image dimensional attributes
Security validation for outbound linkages

Search Engine Optimization (SEO) Review

Verification of declarative metadata integrity
Validation of robots.txt directive adherence
Scrutiny of structured data schema markup
Confirmation of link crawlability
Assessment of primary meta-tag implementation
Evaluation of handheld device compatibility

Universal Access Audits

Validation of WAI-ARIA attribute correctness
Assessment of foreground/background color contrast ratios
Analysis of document heading structure sequence
Verification of non-textual content alternative descriptions
Evaluation of input focus sequencing
Simulation of keyboard-only navigation pathways

Asset Efficiency Directives

Recommendations for image format and size optimization
Analysis of compiled JavaScript payload structures
Suggested modifications for Cascading Style Sheet (CSS) delivery
Validation of caching policy directives
Checks for resource file compression levels
Location of resources impeding initial rendering phases

Result Format Specification

The MCP broker returns comprehensive data structured in JSON, mirroring or wrapping the underlying Lighthouse report structure:

javascript { "lighthouse_assessment": { "report_sections": { "performance": { / Detailed speed metrics / }, "accessibility": { / Accessibility findings / }, "best-practices": { / Audit compliance scores / }, "seo": { / Search engine optimization status / } }, "individual_audits": { / Granular results for every check / }, "timing_data": { / Temporal breakdown of loading stages / }, "technology_guidance": { / Tech-stack specific advice payloads / } } }

Advanced Invocation Scenarios

Parameter Customization

Modifiers can be passed to refine the PSI execution:

{ "execution_mode": "mobile", // Alternatively: "desktop" "scope_categories": ["performance", "accessibility", "best-practices", "seo"], "language_locale": "en", "minimum_benchmarks": { "performance": 90, "accessibility": 100, "best-practices": 90, "seo": 90 } }

Exception Management

The intermediary service incorporates resilience mechanisms to handle common operational failures, including: - Malformed or non-resolvable target URLs - Network connectivity interruptions or timeouts - Exceeding provisioned API quota limits - Incorrectly formatted input parameters - Internal service processing faults

Operational Prerequisites

Connectivity Requirements

Uninterrupted access to the public internet.
Valid, authenticated access credentials for the Google PageSpeed Insights service endpoint.

System Compatibility

Microsoft Windows (x64, x86 architectures)
Linux distributions (x64 architecture)
Apple macOS (x64 and arm64 architectures)

Usage Illustrations (Client-Side)

Fundamental Invocation

javascript const PerformanceBroker = require('pagespeed-mcp-server'); const brokerInstance = new PerformanceBroker();

const analysisReport = await brokerInstance.executeInquiry('https://example.com');

With Configuration Overrides

javascript const metrics = await brokerInstance.executeInquiry('https://example.com', { execution_mode: 'mobile', scope_categories: ['performance', 'accessibility'], language_locale: 'en-US' });

Troubleshooting Guide

Recurrent Difficulties

Session Timeouts
Verify external network stability and latency.
Quota Restrictions Triggered
Ensure the provided API key is correctly configured and possesses adequate remaining capacity.
Memory Allocation Constraints
Increase the available heap size allocated to the underlying Node.js runtime process.

Development Workflow

Compilation from Source Repository

bash git clone https://github.com/phialsbasement/mcp-pagespeed-server cd mcp-pagespeed-server npm install npm run compile

Automated Quality Assurance

bash npm run execute-tests

Contribution Guidelines

Branch from the primary repository fork.
Establish a dedicated feature branch for modifications.
Commit all resultant changes clearly.
Propose the changes via a Pull Request.

Assistance Channels

Obtaining Support

Utilize the GitHub Issues tracker for bug submissions or feature suggestions.

Licensing

Proprietary License - Refer to the companion LICENSE documentation for specifics.

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Contextual Information on Business Operations Tools

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Prominent Management Instruments (Survey Data Example):

Strategic Direction Setting
Client Relationship Lifecycle Management
Personnel Morale Measurement
Competitive Position Analysis (Benchmarking)
Performance Indicator Frameworks (BSC)
Identification of Core Competencies
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Organizational Transformation Programs
Logistics and Fulfillment Network Oversight
Foundational Vision and Mandate Definition
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Comprehensive Quality Assurance Methodologies

Enterprise Software Applications:

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WebPerformance-Inquiry-Broker

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