Agent skills for Gemini CLI

Prompt for creating an Epic Product Requirements Document (PRD) for a new epic.

Act on what you control, escalate what you don't.

Produces reasoned, concise writing grounded in concrete evidence and authentic emotion using structured note-taking outlines.

Work with EPUB files - extract, update, and manage metadata, download and embed covers, update series info.

Safely import EPUB books into any Obsidian vault by writing only to its output/epub-import folder, preserving the source, optionally…

Maintain a YAML lab inventory file for the IB DP Sciences (Biology, Chemistry, Physics).

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 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.