Error handling patterns using wellcrafted trySync and tryAsync. Use when writing error handling code, using try-catch blocks, or working with Result types and graceful error recovery.

Design Session - collaborative brainstorming to turn ideas into actionable implementation plans using the Unified Pipeline methodology. Use when user types "ds" or wants to explore/design a...

Social media post guidelines for LinkedIn, Reddit, and Twitter/X. Use when drafting posts, announcements, or sharing technical content on social platforms.

Drizzle ORM patterns for type branding and custom types. Use when working with Drizzle column definitions, branded types, or custom type conversions.

Use when you've developed a broadly useful skill and want to contribute it upstream via pull request - guides process of branching, committing, pushing, and creating PR to contribute skills back...

TypeBox and TypeMap patterns for schema validation. Use when working with runtime type validation, JSON Schema, or Standard Schema.

Pattern for functions that accept either a single item or an array. Use when creating CRUD operations, batch processing APIs, or factory functions that should flexibly handle one or many inputs.

Monorepo script commands and conventions for this codebase. Use when running builds, tests, formatting, linting, or type checking.

TypeScript code style, type co-location, naming conventions (including acronym casing), test organization, and arktype patterns. Use when writing TypeScript code, defining types, naming...

Query layer patterns for consuming services with TanStack Query, error transformation, and runtime dependency injection. Use when implementing queries/mutations, transforming service errors for...

Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

Guide for creating, testing, and deploying effective skills. Use when users want to create a new skill, update an existing skill, verify skills work before deployment, or extend Claude's...

GitHub issue comment guidelines for community interaction. Use when responding to GitHub issues, bug reports, feature requests, or any GitHub discussion.

Move helper functions into return objects using method shorthand for proper JSDoc preservation. Use when factory functions have internal helpers that should expose documentation to consumers, or...

Multi-agent parallel execution with autonomous workers. Use when plan.md has Track Assignments section or user triggers /conductor-orchestrate, "run parallel", "spawn workers". MUST load...

Sync construction with async property pattern. Use when creating clients that need async initialization but must be exportable from modules and usable synchronously in UI components.

Behavioral guideline for providing brutally honest feedback. Use always - this skill defines core interaction expectations for code review and technical discussions.

Rust to TypeScript error handling patterns for Tauri apps. Use when defining Rust errors that will be passed to TypeScript, handling Tauri command errors, or creating discriminated union error types.

WooCommerce development patterns — custom product types, payment gateways, shipping methods, HPOS, REST API extensions, cart/checkout customization, email classes, block integration, and testing...

Comprehensive debugging guide for Capacitor applications. Covers WebView debugging, native debugging, crash analysis, network inspection, and common issues. Use this skill when users report bugs,...