threejs-materials

Three.js materials - PBR, basic, phong, shader materials, material properties. Use when styling meshes, working with textures, creating custom shaders, or optimizing material performance.

Quality

83%

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Securityby

Passed

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The canonical home for this skill is threejs-materials in CloudAI-X/threejs-skills

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 reference skill with executable examples for every material type and useful performance guidance. It is dense and largely token-efficient, with only minor padding and no bundle files to offload the inlined API reference.

Suggestions

Move the exhaustive MeshPhysicalMaterial property listing (clearcoat, transmission, sheen, iridescence, anisotropy) into a references file and keep only the glass/car-paint examples inline to improve progressive disclosure.

Trim incidental over-explanation like 'Useful for debugging' and 'recommended for realistic rendering' to tighten conciseness.

Dimension	Reasoning	Score
Conciseness	Content is mostly lean code-with-comments reference material that assumes Claude's knowledge, with only minor over-explanation (e.g. 'PBR material (recommended for realistic rendering)', 'Useful for debugging'); not a 5 because a few inline comments and the Common Properties section pad beyond strictly necessary tokens.	4 / 5
Actionability	Every material type has copy-paste-ready executable code with concrete property values and inline comments, plus worked examples (glass, car paint) covering common cases, matching the top anchor.	5 / 5
Workflow Clarity	This is a reference skill (not a destructive/batch workflow) so the simple-skill guidance applies; sections are clearly sequenced by material type with a Performance Tips checklist and a needsUpdate-when list, but there are no explicit validate/recovery checkpoints for the runtime-modification guidance, keeping it just below 5.	4 / 5
Progressive Disclosure	Good structure with clear section headers and a 'See Also' pointer to sibling skills (threejs-textures, threejs-shaders, threejs-lighting); no bundle files exist so the bulk API reference is inlined, which is appropriate for this size but keeps it just below the well-split 5 anchor.	4 / 5
	Total	17 / 20 Passed

Description

85%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 that clearly states both what it covers (Three.js material types) and when to use it, with concrete trigger phrases. Minor room for improvement in keyword synonym/extension coverage and disambiguation from sibling threejs-* skills.

Suggestions

Add explicit file-extension or synonym triggers (e.g. 'materials', 'shaders', '.glsl') to broaden natural keyword coverage.

Disambiguate from sibling skills by noting the boundary (e.g. 'for material configuration; see threejs-textures for loading') to reduce overlap risk.

Dimension	Reasoning	Score
Specificity	Quotes 'PBR, basic, phong, shader materials, material properties' and 'styling meshes, working with textures, creating custom shaders, or optimizing material performance' list several specific concrete actions with only minor coverage gaps; not a 5 because actions are named as use-case phrases rather than a comprehensive enumeration of distinct operations.	4 / 5
Completeness	Explicitly states what ('Three.js materials - PBR, basic, phong, shader materials, material properties') and when ('Use when styling meshes, working with textures, creating custom shaders, or optimizing material performance') with concrete trigger phrases, matching the top anchor.	5 / 5
Trigger Term Quality	Natural terms like 'textures', 'custom shaders', and 'material performance' are present and users would say them, but common variations/synonyms (e.g. 'materials', 'shaders', file extensions) are thinner than the comprehensive anchor.	4 / 5
Distinctiveness Conflict Risk	The Three.js-materials niche is fairly distinct with specific triggers, but minor overlap risk exists with sibling skills like threejs-textures and threejs-shaders referenced in the body; not a 5 because those adjacent skills share trigger vocabulary.	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 (521 lines); consider splitting into references/ and linking	Warning

	Total	15 / 16 Passed

Repository: calesthio/OpenMontage
Path: .agents/skills/threejs-materials/SKILL.md
Commit: 1bab711

Reviewed: about 20 hours ago

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