CONTENT CREATION
Block CMS publishes when images lack alt-text
Receives a pre-publish webhook from your CMS, checks each referenced image for alt-text, auto-generates any that are missing with HuggingFace.
How it runs
The automated pipeline, trigger to output.
- TriggerCMS pre-publish webhook receivedHTTP webhook
- ActionLook up existing alt-text in AirtableAirtable
- LogicSplit images with vs without alt-text
- ActionGenerate missing captions with HuggingFaceHugging Face
- ActionSave new alt-text back to AirtableAirtable
- OutputReturn approve or block to the CMS webhookHTTP webhook
What it does
When your CMS is about to publish a page, it calls this workflow with the page's images. The workflow finds images that have no alt-text, generates captions with HuggingFace, saves them back to the asset library, and returns an approve-or-block decision to the CMS.
When to use it
Use it as an accessibility gate in your publishing pipeline so no page ships with undescribed images. It turns alt-text from a post-launch cleanup chore into an enforced pre-publish requirement.
How it works
- 1An HTTP webhook from the CMS triggers the run with the list of image references on the page.
- 2Airtable is checked for existing alt-text on each referenced asset.
- 3A branch separates images already described from those missing alt-text.
- 4For missing ones, a HuggingFace model generates captions, which are saved back to Airtable.
- 5The workflow responds to the webhook with approve (all images now described) or block plus the offending assets.
Set it up
What you configure once, before turning it on.
- 1Connect HTTP webhookTrigger any URL on agent actions.
- 2Connect AirtableBases, tables, views, automations.
- 3Connect Hugging FaceModels, datasets, spaces — the open-source hub.
- 4Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 5Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 6Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
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