r3f-materials

React Three Fiber materials - PBR materials, Drei materials, shader materials, material properties. Use when styling meshes, creating custom materials, working with textures, or implementing visual effects.

Quality

83%

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Securityby

Passed

No findings from the security scan

Quality

Content

82%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A well-organized, highly actionable R3F materials reference dominated by executable examples with minimal fluff. Its only real weakness is monolithic inline content with no bundle-file decomposition despite its length.

Dimension	Reasoning	Score
Conciseness	The body is mostly lean executable code with one-line intros and useful inline value comments ('roughness={1} // 0 = mirror, 1 = diffuse'); it assumes Claude's competence, though the ~600-line volume and some redundant glass examples could be trimmed.	4 / 5
Actionability	Fully executable, copy-paste-ready TSX components cover the common cases (PBR, glass, car paint, fabric, reflective floor, distort, transmission), with the overview table guiding material selection.	5 / 5
Workflow Clarity	As a reference skill it has no fragile multi-step workflow requiring validation, but content is clearly organized by material type with practical patterns (dynamic updates, shared materials, multi-material, caching) that make application unambiguous.	4 / 5
Progressive Disclosure	Good structure with a clear overview table, per-material sections, and a 'See Also' pointing to r3f-shaders/r3f-textures/r3f-lighting; no bundle files exist, and the single inline file is well-organized though some property reference bulk could be split out.	4 / 5
	Total	17 / 20 Passed

Description

83%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong description with an explicit 'Use when' trigger clause and concrete actions covering the materials domain. Its main weakness is minor overlap with related texture/shader skills and category-style phrasing in the 'what' half.

Dimension	Reasoning	Score
Specificity	The 'Use when' clause lists four concrete actions ('styling meshes, creating custom materials, working with textures, or implementing visual effects'), but the 'what' half names categories ('PBR materials, Drei materials, shader materials, material properties') rather than actions, leaving minor coverage gaps.	4 / 5
Completeness	It explicitly answers both what ('React Three Fiber materials - PBR materials, Drei materials, shader materials, material properties') and when ('Use when styling meshes, creating custom materials, working with textures, or implementing visual effects') with concrete trigger phrases.	5 / 5
Trigger Term Quality	Natural R3F-user terms appear ('materials', 'meshes', 'textures', 'PBR', 'custom materials', 'visual effects', 'shader materials'), giving good keyword coverage, though a few common variants (e.g. 'shaders', 'roughness/metalness') are absent.	4 / 5
Distinctiveness Conflict Risk	'React Three Fiber materials' is a clear niche with distinct triggers, but 'working with textures' and 'shader materials' overlap with sibling skills (r3f-textures, r3f-shaders), creating minor conflict risk.	4 / 5
	Total	17 / 20 Passed

Validation

93%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
skill_md_line_count	SKILL.md is long (607 lines); consider splitting into references/ and linking	Warning

	Total	15 / 16 Passed

Repository: AzizBelhassan/timeverse
Path: .agents/skills/r3f-materials/SKILL.md
Commit: 9dc2cb4

Reviewed: ~16 hours ago

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