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netlify-image-cdn

Guide for using Netlify Image CDN for image optimization and transformation. Use when serving optimized images, creating responsive image markup, setting up user-uploaded image pipelines, or configuring image transformations. Covers the /.netlify/images endpoint, query parameters, remote image allowlisting, clean URL rewrites, and composing uploads with Functions + Blobs.

80

Quality

100%

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SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

100%Weight 40%Scale 1-3

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

A well-structured, token-efficient reference with executable examples and clean one-level-deep progressive disclosure; appropriate for a simple single-purpose skill.

DimensionReasoningScore

Conciseness

Lean reference body using a parameter table, short code blocks, and minimal prose; it avoids explaining concepts Claude already knows and every section earns its place.

3 / 3

Actionability

Provides fully executable copy-paste snippets — the HTML img tag, netlify.toml redirects, headers, and remote_images config — with concrete values rather than pseudocode.

3 / 3

Workflow Clarity

A single-purpose reference skill with clearly organized sections and no destructive/batch operations requiring validation checkpoints; per the simple-skill scoring note, clear organization suffices for the top score.

3 / 3

Progressive Disclosure

SKILL.md is a concise overview with a single well-signaled, one-level-deep reference (references/user-uploads.md, verified present) for the larger upload pipeline pattern.

3 / 3

Total

12

/

12

Passed

Description

100%Weight 40%Scale 1-3

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, third-person description with explicit 'Use when' triggers, multiple concrete actions, and natural trigger terms scoped tightly to the Netlify Image CDN niche.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — 'image optimization and transformation', 'creating responsive image markup', 'setting up user-uploaded image pipelines', 'configuring image transformations' — matching the anchor for naming several specific concrete actions.

3 / 3

Completeness

Clearly answers both what (Netlify Image CDN for optimization/transformation) and when via an explicit 'Use when...' clause covering several scenarios, matching the top anchor.

3 / 3

Trigger Term Quality

Includes natural trigger phrases a user would actually say — 'serving optimized images', 'responsive image markup', 'user-uploaded image pipelines', 'image transformations' — with good coverage and no jargon-only terms.

3 / 3

Distinctiveness Conflict Risk

A clear Netlify Image CDN niche with distinct triggers (the /.netlify/images endpoint, remote allowlisting, Functions+Blobs uploads) unlikely to fire for unrelated skills.

3 / 3

Total

12

/

12

Passed

Validation

100%

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

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
openai/plugins
Reviewed

Table of Contents

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