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Tested by usACFCustom text fields · 1 recipes
Advanced Custom Fields, from chat.
Read and update your custom fields on posts, by name. Today that means text fields that ACF shares with the REST API.
Tested by us on 15 October 2026: existing text fields shown in REST, from ChatGPT and Claude.
Things to ask
- “What is in the “summary” field of the spring pricing post?”Reads. Nothing changes.
- “Set the summary field on that post to “Prices for spring, in one page.””A change to one field.
Recipes
The whole cookbook, in the manualEvery ability
What ACF shares with assistants, and what we checked. At Trusted, everything offered runs without asking.
| What your assistant uses | What it does | At Standard | Checked |
|---|---|---|---|
REST /wp/v2/posts/<id> (acf) | Read and update a text field | Asks you | Tested |
acf/field-groups | Field groups with their fields | Reads | Not yet |
acf/register-field-group | Create a field group | Asks you | Not yet |
acf/register-custom-post-type | Create a post type | Asks you | Not yet |
+ 1 more
Good to know
- A field group must have “Show in REST” switched on for its fields to be reachable.
- Only text fields are tested. Images, repeaters, relationships and other field types come later.
- Need a new content type with a few simple fields, without ACF? AI Puffer can create one: see the WordPress page.
- ACF’s own abilities are off until a developer turns them on with one line of code. AI Puffer never adds code to your site, so that step is yours.