Skills and subagents for developing Unity projects with Claude Code — maintainable test design and implementation, test-first workflow, coding guidelines, scene editing, and more.
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Provides coding guidelines for Unity projects. Make sure to use this skill whenever writing, creating, editing, or modifying code files. This includes implementing new features, fixing bugs, refactoring, adding tests, or any task that results in code changes. Even for small edits or one-line fixes, load this skill to…
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Creates and modifies Unity scene and prefab files. Use this skill whenever creating, editing, or modifying .unity scene files or .prefab prefab files. This includes adding GameObjects, building uGUI hierarchies, wiring up components, and any task that results in changes to .unity or .prefab files.
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Diagnoses and fixes bugs using a test-first workflow (reproduce, diagnose, fix). Use this skill whenever the user reports a bug, describes unexpected behavior, or asks to investigate or fix a defect. Even if the user says "something's broken", "this isn't working", "fix this bug", or "why does X happen", load this…
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Orchestrates the test-first implementation planning workflow for feature implementation and spec changes. Use this skill whenever plan mode is active and the task involves implementing or adding a new feature, or changing an existing specification. Even if the user only says "plan this" or "how should we implement…
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Reviews existing test code for conformance to the test-designing-guide and test-writing-guide, then applies the refinements. Use this skill when the user wants to review or refine existing test code so it follows the project's test design and writing conventions. Typically invoked as /refine-tests .
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Resolves IDE diagnostics (inspections and analyzer findings) at the warning or higher severity level for a given set of files, then applies the solution's code style. Use this skill when a workflow's refactoring step calls for resolving diagnostics, or when the user asks to fix warnings, inspections, or static…
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Provides guidelines for running Unity tests using the rununitytests tool. Make sure to use this skill whenever running, executing, or re-running tests on the Unity editor. This includes verifying implementations, debugging test failures, running specific test assemblies, or any task that involves the rununitytests…
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Provides test design methodology for Unity projects. Use this skill whenever designing test cases from requirements or specifications, including selecting test techniques, deriving test cases, and formatting them. Even for small features, load this skill to ensure test design rigor.
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Provides guidelines for writing test code for Unity projects. Make sure to use this skill whenever writing, creating, editing, or modifying test code files (files under Tests/). This includes implementing new tests, fixing test failures, adding test cases, or any task that results in test code changes. Even for small…
nowsprinting/unity-coding-skills
Skill Claude CodeCodex
Provides guidelines for directly editing Unity YAML-serialized asset files for Unity projects. Make sure to use this skill whenever creating, editing, or modifying simple YAML asset files (ScriptableObjects, Materials, etc.) via Edit/Write tools without going through the Unity Editor. This includes adjusting…