Developer Tools & Repos Agent Skills for Codex CLI

Build resilient applications with robust error handling strategies that gracefully handle failures and provide excellent debugging…

Use when the user asks to "review error handling in this code", "should this panic or return an error", "design an error type", "how…

Expert skill for designing and implementing high-quality compiler error messages

ESLint configuration, custom rules, and plugin development.

Use when eSLint configuration including config files, extends, plugins, and environment setup.

Use when custom ESLint rules and plugins including rule development, AST traversal, and publishing.

Use when eSLint built-in rules including rule configuration, severity levels, and disabling strategies.

Build, flash, and test ESP-IDF firmware for ESP32-S3 (via Docker or native)

Create pull requests for esphome. Use when creating PRs, submitting changes, or preparing contributions.

Design and implement the personality, conversational style, and emotional behavior of the Ethereal "Digital Spirit".

Develops, validates, and refactors Europa Universalis IV 1.37.5 mods, Clausewitz scripts, and modding tools with strict syntax validation.

Hard-won ground rules for building EvenHub apps on Even Realities G2 smart glasses — SDK limits, audio/mic/VAD, TTS latency, rendering…

Complex event flow patterns for Valkyrie MoM scenarios.

Expert in event sourcing, CQRS, and event-driven architecture patterns.

Diagnose and fix common Evernote API errors.

Debug Evernote API issues with diagnostic tools and techniques.

Set up efficient local development workflow for Evernote integrations.

Configure multi-environment setup for Evernote integrations.

Handle Evernote API rate limits effectively.

Upgrade Evernote SDK versions and migrate between API versions.

Implement Evernote webhook notifications and sync events.