Mobile

Data format specialist covering TOON encoding, JSON/YAML optimization, serialization patterns, and data validation for modern applications

Capture and apply continuous improvements to Codex CLI skills during regular work. Use when a user wants to refine a skill, add a new skill after repeating a workflow, or keep skills up to date based on recent tasks.

Writes personal development content with inspirational, story-driven approach

Apply pytest best practices and project testing conventions. Use when writing or modifying tests.

Use when designing animations for fitness apps, wellness platforms, workout trackers, or meditation experiences

Generates src/shared/constants/global.ts file containing application-wide constants used throughout the application.

Core skill activation protocol - establishes mandatory workflows for finding and applying skills before any task

Audits skills for discoverability and triggering effectiveness. Use when analyzing skill descriptions, checking trigger phrase coverage, validating progressive disclosure, reviewing SKILL.md structure, ensuring skill discoverability, testing skill triggering, improving skill descriptions, or evaluating whether a skill will be invoked appropriately. Also triggers when user asks about skill best practices, wants to improve skill discoverability, or needs help with skill structure.

Documentation lifecycle management skill. Activates when user mentions documentation, docs, sync, quality, validation, releases, or setup. Routes to appropriate agent (doc-expert for orchestration, doc-writer for content) and provides gentle reminders about documentation health.

Unit testing, performance optimization, security implementation, Play Store deployment. Use for production-ready app development.

Implement comprehensive evaluation strategies for LLM applications using automated metrics, human feedback, and benchmarking. Use when testing LLM performance, measuring AI application quality, or establishing evaluation frameworks.

File I/O operations including binary formats (npy/npz), text processing (csv), and memory-mapping for huge datasets. Triggers: io, load, save, npz, genfromtxt, memmap, loadtxt.

Xcodeプロジェクト設定支援。ビルド設定の最適化、Target/Scheme構成、SPM(Swift Package Manager)活用、xcconfig活用など、プロジェクト構成に関する包括的なサポートを提供する。「Xcodeプロジェクトを設定したい」「ビルド設定を最適化したい」「SPMを導入したい」と言った時に使用する。

Error-handling conventions (error mapping/presentation, what to throw vs return, user-facing output). Use when adding errors or changing failure behavior.

Helps an agent analyze application logs and identify security issues.

This skill should be used when choosing between implementation approaches, making architectural decisions, selecting libraries or patterns, debugging complex issues, refactoring code, or making any significant decision where past context might be relevant. Search local-recall memories BEFORE proposing solutions.

Implement query result caching with Redis and proper invalidation strategies for Prisma 6. Use when optimizing frequently accessed data, improving read-heavy application performance, or reducing database load through caching.

Use this skill when working with the SurrealDartB package in Dart/Flutter projects. This includes creating embedded SurrealDB databases, performing CRUD operations, managing schemas with code generation, working with vector embeddings for AI/ML applications, building type-safe queries with ORM features, and handling migrations. Invoke when user mentions SurrealDB, embedded databases, vector search, semantic similarity, or asks to implement database features in Dart/Flutter.

Designs and configures monitoring solutions for applications and infrastructure

Reviews Kubernetes manifests for best practices, security, and homelab standards compliance. Use when reviewing YAML files, K8s manifests, Helm values, or ArgoCD applications.