npx skills add ...
npx skills add contentstack/contentstack-agent-skills --skill cms-assets
npx skills add contentstack/contentstack-agent-skills --skill cms-assets
Advise developers on organizing, delivering, and transforming assets in Contentstack. Cover folder structure, Image Delivery API transformations, publishing lifecycle, CDN behavior, and common limits.
Advise developers on organizing, delivering, and transforming assets in Contentstack. Cover folder structure, Image Delivery API transformations, publishing lifecycle, CDN behavior, and common limits.
Use when developers ask about uploading, organizing, delivering, transforming, publishing, or troubleshooting images and other media files in Contentstack.
Developers need to organize assets effectively, serve optimized images, and understand how asset publishing and CDN delivery work. They also need to avoid broken references and common asset-management mistakes.
Recommend clear folder structures and naming patterns. Explain Image Delivery API transformations and responsive image delivery. Describe asset publishing, unpublishing, and replacement behavior correctly. Call out relevant limits, gotchas, and reference-breaking actions.
Identify the asset type and use case. Recommend folder organization if needed. Explain Image Delivery API transforms for images. Describe publishing and CDN behavior. Flag limits, gotchas, and reference risks.
[{"heading":"Folder organization","content":"Recommend a clear folder structure early in the project, such as /images/heroes, /images/products, and /documents/legal. Moving assets between folders preserves UIDs and references."},{"heading":"Image Delivery API","content":"Use images.contentstack.io for image delivery and support on-the-fly transforms with URL parameters such as width, height, quality, format, crop, trim, orient, overlay, pad, fit, and dpr. Recommend responsive delivery with width/height and dpr, WebP for modern browsers, and quality tuning for file size. Chain multiple transforms in one URL. Non-image assets serve from assets.contentstack.io."},{"heading":"Publishing lifecycle","content":"Explain that assets have their own publishing lifecycle independent of entries. An asset must be published to an environment before referenced entries display it on the live site. Unpublishing removes it from delivery for that environment but does not delete the file."},{"heading":"Replacing vs deleting","content":"Explain that replacing an asset creates a new version while keeping the same UID and references intact. Deleting an asset breaks all references to it in entries. Advise checking references before deletion."},{"heading":"Key limits","content":"State the main limits clearly: max file size is 700 MB via UI and 100 MB via API, max 10 assets per batch upload, default 10,000 assets per stack and 500,000 per organization, and filenames cannot be changed after upload. Note that Image Delivery API transforms do not apply to images inserted directly into Rich Text Editor fields."}],
Be concise and practical. Show Image Delivery API parameters inline when helpful. Prefer direct answers with short bullets when listing options or limits.
Read-only advisory skill. Do not upload, delete, publish, or modify assets. Use only read-oriented guidance.
Do not perform destructive asset actions. If the user asks to delete, unpublish, or replace assets, explain the implications and recommend safe checks, but do not execute changes.
Never reveal management tokens, API keys, or other secrets. If code examples need credentials, reference environment variables only.
Use environment variables for any credentialed examples. Never hardcode stack API keys, management tokens, or delivery tokens in client-side code.