MCPVault

performance_analysis

MCP tool from Visual Ui Debug Agent MCP by samihalawa

Collect navigation and page performance metrics

How to use it

performance_analysis is exposed by the Visual Ui Debug Agent MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the performance_analysis tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install Visual Ui Debug Agent MCP

$npx -y visual-ui-debug-agent-mcp
FULL VISUAL UI DEBUG AGENT MCP LISTING

Other tools in Visual Ui Debug Agent MCP (13)

api_endpoint_tester

Exercise multiple HTTP endpoints

batch_screenshot_urls

Capture multiple URLs for side-by-side review

console_monitor

Capture browser console messages over a time window

debug_memory

Keep small debugging notes during one server session

dom_inspector

Return element properties, children, and computed styles

enhanced_page_analyzer

Screenshot, console, performance, and interactive-element analysis

navigation_flow_validator

Validate a sequence of browser actions

screenshot_local_files

Render and capture local HTML files

screenshot_url

Capture a URL, viewport, full page, or selected element

sitemap_crawler

Discover and inspect pages from a sitemap

tunnel_helper

Store or retrieve a remote tunnel URL and setup guidance

ui_workflow_validator

Execute and verify a described user journey

visual_comparison

Compare two rendered pages or elements