Tools & Utilities
Essential command-line tools and system utilities.
http-cache-tools
HTTP cache debugging tools and techniques. Use when asked to inspect cache headers, debug HTTP responses, use curl for cache analysis, or verify caching behavior. Includes SparkFabrik container context with make drupal-cli and docker compose commands.
automating-browser
Controls Chrome browser: takes screenshots, clicks buttons, fills forms, downloads images, inspects pages, captures network requests, checks console errors, debugs API issues. Use when: 'screenshot', 'click', 'fill form', 'download image', 'check browser', 'look at screen', 'capture page', 'check for errors', 'debug network', 'API failing', 'console errors'. Provides MCP tool discovery for 70 tabz_* browser automation tools.
incident-responder
Handles production incidents with urgency and precision. Use IMMEDIATELY when production issues occur. Coordinates debugging, implements fixes, and documents post-mortems.
profile-engine
Profile the Rust simulation engine to identify performance bottlenecks. Use when optimizing engine performance or investigating slow code paths.
charles-proxy-extract
Extracts HTTP/HTTPS request and response data from Charles Proxy session files (.chlsj format), including URLs, methods, status codes, headers, request bodies, and response bodies. Use when analyzing captured network traffic from Charles Proxy debug sessions, inspecting API calls, debugging HTTP requests, or examining proxy logs.
astanalysis
AST-based code querying for JS/TS. USE WHEN find code patterns OR get function calls OR list event listeners OR extract imports OR query AST.
code-search
Token-efficient codebase exploration using MCP-first approach. Locates functions, classes, patterns, and traces dependencies with 80-90% token savings. Use when searching code, finding implementations, or tracing call chains.
react-18-data-race-mitigation
Identify and mitigate data races arising from concurrent renders and asynchronous effects.
systematic-debugging
Use when encountering bugs, test failures, or unexpected behavior - ensures root cause understanding before attempting fixes
drupal-cache-debugging
Drupal cache debugging techniques and troubleshooting workflows. Use when asked about X-Drupal-Cache headers interpretation, finding max-age 0 sources, WebProfiler usage, cache hit/miss analysis, stale content debugging, or performance profiling cache-related issues.
systematic-debugging
Systematic 4-phase debugging process for finding root causes
performance
JavaScript performance optimization and Web Vitals improvement techniques.
systematic-debugging
Fix bugs using Dan Abramov's systematic debugging method. Use when debugging, fixing bugs, investigating errors, or when the user mentions "bug", "broken", "not working", "debug", or "investigate".
react-best-practices
React and Next.js performance optimization guidelines from Vercel Engineering. Use when writing, reviewing, or refactoring React/Next.js code for optimal performance patterns. Covers eliminating waterfalls, bundle optimization, server/client performance, re-render optimization, and rendering best practices.
python-log-expert
Expert guidance for Python logging libraries including structlog, standard logging, and log analysis. Use when working with Python logs, troubleshooting logging issues, implementing logging best practices, or analyzing structlog source code implementation. Includes complete structlog source code in source/structlog/ for deep implementation analysis. Requires structlog package.
detecting-incorrect-memset
Detects incorrect use of memset() including wrong argument order, incorrect size calculations, and misunderstood behavior. Use when analyzing memory initialization, buffer clearing, or investigating memset() usage errors.
firefox-bookmarks
Analyze Firefox bookmarks and tags directly from the places.sqlite database. Extract recent bookmarks, analyze tag popularity, find bookmark statistics, and explore bookmark metadata. Use when working with Firefox bookmarks, analyzing bookmark usage, organizing tags, or extracting bookmark data from Firefox profiles.
browser-automation-debugging
Use when debugging web applications or automating browser tasks. Leverage Chrome DevTools MCP for inspection, performance analysis, and automated testing.
pinpoint-typescript
TypeScript strictest patterns, type guards, optional properties (exactOptionalPropertyTypes), Drizzle query safety, null checks. Use when fixing type errors, implementing complex types, or when user mentions TypeScript/types/generics.
