Safely update public-company Excel model copies from source-to-model maps; emits XLSX as the hero artifact and CSV/log/manifest as support.
Keyword Tool data from eRank, plus local scoring, drift, and listing-gap analysis for Etsy sellers.
Svelte best practices for writing, editing, or reviewing Svelte/SvelteKit components and modules.
Use when the user wants a formal project requirements document (PRD) written for an app, feature, or product idea.
Use when erlang's concurrency model including lightweight processes, message passing, process links and monitors, error handling patterns…
Use when erlang distributed systems including node connectivity, distributed processes, global name registration, distributed supervision…
Use when oTP behaviors including gen_server for stateful processes, gen_statem for state machines, supervisors for fault tolerance…
ERNE — Build a focused feature unit using the feature-builder agent
ERNE — Manual skill generation — runs continuous-learning-v2 scripts to extract patterns from session
ERNE — Design navigation architecture using the architect agent
Implements consistent, language-agnostic error code structures following the PREFIX_CATEGORY_NUMBER format for better debugging and…
Implements error handling patterns, structured logging, retry strategies, circuit breakers, and graceful degradation.
Use when the user asks to "review error handling in this code", "should this panic or return an error", "design an error type", "how…
Error handling patterns using wellcrafted trySync and tryAsync.
Error Message Style Guide for Validation Errors
Error pattern analysis and troubleshooting for Claude Code sessions.
Use as the entry point for any Environmental Science & Technology (ES&T) manuscript.
Structure and package support escalations for engineering, product, or leadership with full context, reproduction steps, and business…
When and how AI should escalate to humans, refuse, or ask for clarification.
Run ESLint for JavaScript/TypeScript code quality and style enforcement.
Use this skill whenever the user asks about live sports scores, standings, team stats, game summaries (with box score, leaders, scoring…