castle-x

castle-x/skills-x

Settings file Claude Code

Agent settings configuring permissions.

castle-x/skills-x

Skill Claude CodeCodex

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

castle-x/skills-x

Skill Claude CodeCodex

Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies.

castle-x/skills-x

Skill Claude CodeCodex

Use when you have a written implementation plan to execute in a separate session with review checkpoints.

castle-x/skills-x

Skill Claude CodeCodex

Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.

castle-x/skills-x

Skill Claude CodeCodex

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup.

castle-x/skills-x

Skill Claude CodeCodex

Building production-quality CLI tools with Cobra command framework and Viper configuration management.

castle-x/skills-x

Skill Claude CodeCodex

Go testing patterns including table-driven tests, subtests, benchmarks, fuzzing, and test coverage. Follows TDD methodology with idiomatic Go practices.

castle-x/skills-x

Skill Claude CodeCodex

Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation.

castle-x/skills-x

Skill Claude CodeCodex

Use when completing tasks, implementing major features, or before merging to verify work meets requirements.

castle-x/skills-x

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

castle-x/skills-x

Agent Claude Code

Analyze blind comparison results to understand WHY the winner won and generate improvement suggestions.

castle-x/skills-x

Agent Claude Code

Compare two outputs WITHOUT knowing which skill produced them.

castle-x/skills-x

Agent Claude Code

Evaluate expectations against an execution transcript and outputs.

castle-x/skills-x

Skill Claude CodeCodex

Guide for contributing new skills to the skills-x collection. This skill should be used when users want to add new open-source skills from external sources (like agentskills.io or anthropics/skills) to the skills-x repository. It covers the complete workflow from discovery to publishing.

castle-x/skills-x

Skill Claude CodeCodex

Use when executing implementation plans with independent tasks in the current session.

castle-x/skills-x

Skill Claude CodeCodex

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

castle-x/skills-x

Skill Claude CodeCodex

Use when implementing any feature or bugfix, before writing implementation code.

castle-x/skills-x

Skill Claude CodeCodex

Use when starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before ANY response including clarifying questions.

castle-x/skills-x

Skill Claude CodeCodex

Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims; evidence before assertions always.

castle-x/skills-x

Skill Claude CodeCodex

Use when you have a spec or requirements for a multi-step task, before touching code.

castle-x/skills-x

Skill Claude CodeCodex

Use when creating new skills, editing existing skills, or verifying skills work before deployment.

castle-x/skills-x

Skill Claude CodeCodex

Use when defining or updating Go CLI i18n rules in this repo, especially around locale files, env-based language selection, and key naming.

castle-x/skills-x

Skill Claude CodeCodex

Design specification for CLI TUI (Terminal User Interface). This skill provides comprehensive guidelines for implementing interactive terminal UI components, including page layout structure, color schemes, keyboard navigation, and multi-level navigation principles.