1. Software Development

Guide for creating and maintaining mock Marstek battery devices for local testing in devcontainer environments.

Expert guide for developing, debugging, and integrating with Intuit QuickBooks Online API (v3) across Node.js, Python, C#, and Deno.

Expert guidance for building Progressive Web Apps with service workers, offline functionality, and installable features for native-like user experiences.

End-to-end workflow for diagnosing, reproducing, and fixing software bugs and issues, integrating with tools like Sentry and Linear.

Provides Vercel-engineered React performance guidelines for EquipQR stack (Vite, React Router, TanStack Query), targeting waterfalls, bundle size, and re-renders.

Provides Jest/Vitest testing patterns for unit tests, including factory functions, mocking strategies, and TDD workflow.

Guides creation of standardized Git commit messages using Conventional Commits 1.0.0 specification for semantic versioning and clear changelog generation.

Automates code quality checks via linting and static analysis to enforce syntax correctness and project standards after every code change.

Guides on modern React patterns: hooks, composition, performance, and TypeScript best practices for component design and state management.

Provides a structured methodology for diagnosing software bugs, test failures, and unexpected behavior before implementing solutions.

Tool for developing and managing Claude Code skills following Anthropic best practices, covering skill creation, rule configuration, and trigger patterns.

Delegates code bug fixes, reviews, and project registry management across multiple Claude projects.

Safely reverts application state to a checkpoint for error recovery, essential for the CAVR pattern.

Defines state transitions via rules, triggers, and effects for state machine modeling and workflow specification.

Provides expert TypeScript and JavaScript assistance including type-level programming, performance tuning, and monorepo management with strict validation.

Creates safety checkpoint markers before irreversible actions like file modification or execution, essential for the CAVR pattern in development workflows.

Adds a new resource to an MCP server, enabling client-side data exposure through API endpoints.

Verifies code against tests, specifications, or invariants, providing pass/fail evidence to confirm behavior matches expectations.

Deterministically runs code or scripts with captured output for testing, build commands, and tool invocation in development environments.

Executes a safe, audited workflow for debugging code changes, investigating issues, and performing root cause analysis with built-in safety checks.

Analyzes Rails system tests to identify candidates for conversion to faster controller tests, optimizing test suite performance.

Generates Angular Conventional Commits with proper scopes for consistent, automated changelog generation.

Executes a Git commit operation when explicitly triggered by the user via the /commit command.

Validates software architecture and technology choices against current industry best practices.