Bash scripts often fail on edge cases, unsafe variables, and partial cleanup. This skill provides practical defensive patterns for robust automation and CI/CD scripts.

Trading strategy tests often overstate performance because they ignore bias, costs, and validation discipline. This skill guides Claude, Codex, and Claude Code through robust backtesting patterns.

Authentication code often fails through weak token, session, or role checks. This skill gives practical patterns for secure access control design.

Security teams need a clear way to compare attack paths and defense gaps. This skill structures attack trees, scoring, diagrams, and mitigation priorities.

Complex backend systems can become tightly coupled and hard to test. This skill guides Claude, Codex, and Claude Code through proven architecture patterns.

Legacy AngularJS applications are hard to maintain and upgrade. This skill gives Claude, Codex, and Claude Code a structured migration guide for hybrid Angular upgrades.

Teams often miss WCAG, keyboard, and screen reader requirements during interface work. This skill provides practical patterns, audit checklists, and remediation guidance for accessible web and mobile experiences.

Hook rules can be hard to write correctly across bash, file, stop, and prompt events. This skill gives Claude, Codex, and Claude Code practical guidance for creating and testing Hookify rules.

Choosing and testing AI models across separate services takes time. Writingmate connects an MCP host to model discovery, text comparison, image generation, and video generation.

Inconsistent Markdown creates lint failures and slows documentation reviews. This skill applies WooCommerce formatting rules and provides a repeatable validation workflow.

WooCommerce contributors need project-specific commands for testing and code quality. This skill provides focused workflows for tests, linting, formatting, and troubleshooting.

Inconsistent capitalization makes WooCommerce interfaces harder to scan and translate. This skill applies sentence case, concise wording, and approved capitalization exceptions to user-facing copy.

WooCommerce changes can violate project-specific architecture, testing, documentation, and copy rules. This skill structures reviews around those standards and returns cited, actionable fixes.

WooCommerce backend changes can fail review when they ignore project conventions. This skill guides compliant classes, hooks, data operations, annotations, and tests.

Financial agents need reliable market, fund, bond, document, news, and macroeconomic data. This skill routes requests to Wind MCP tools and returns sourced results.

Finding the right finance data or analysis skill can be difficult. This router matches requests to cataloged Wind skills and guides approved installation.

Coordinating Outlook meetings often requires switching between contacts, calendars, and notes. This skill guides Claude, Codex, and Claude Code to use Rarefriend MCP tools for Outlook scheduling and relationship context.

Manual scheduling across contacts and calendars can create conflicts and missing context. This skill helps agents check availability, resolve attendees, create events, and record meeting notes through Rarefriend and Google Calendar.

Personal relationship data is scattered across contacts, calendars, email, and notes. This skill connects AI agents to Rarefriend workflows for search, scheduling, and relationship context.

Google Contacts often lack context from meetings, notes, and relationship history. This skill uses Rarefriend MCP to search, tag, update, and enrich contacts from an AI assistant.