ACF · MCP

ACF + MCP: Build Field Groups With AI

Connect Advanced Custom Fields to Claude, Cursor or ChatGPT through NibWP. Describe the content model you want and get real ACF field groups — no clicking through the builder.

Get started →How it works
ACF and MCP — let AI work through real abilities

ACF is how serious WordPress sites model content — but building field groups by hand is slow, and keeping field names consistent across a project is its own chore. A generic AI can describe fields, but it can't actually register them on your site.

NibWP exposes ACF as MCP tools. Describe the content model in plain English and it creates real field groups — correct types, nested repeaters, and location rules — then reads and updates field values on your approval.

What you can do over MCP

Field groups from a description

Say what the content needs and get a real ACF field group — fields, types and location rules included.

Every field type

Text, textarea, WYSIWYG, image, gallery, repeater, flexible content, relationship, and the rest — mapped correctly.

Repeaters & sub-fields

Model nested content properly — repeaters and flexible-content layouts with named sub-fields, not guesses.

Wire it to templates

Reference the fields in your builder or theme — the names and keys are consistent and predictable.

Read & update values

Populate or bulk-edit field values across posts by describing the change, not editing one by one.

Approve before write

Field groups and value changes are shown as a plan first — nothing is written until you confirm.

How it works

  1. Install NibWP and connect your AI client over MCP — ACF shows up as tools.
  2. Describe the content: “a team member has a name, role, photo and a repeater of links.”
  3. NibWP builds the field group with correct types and location rules, and shows you the plan.
  4. Approve, and the fields are registered — ready to fill in and reference in your templates.

Why typed tools beat a generic AI

A generic assistant

  • Only describes fields — can't register them
  • Inconsistent field names across the project
  • No idea what post types or options exist

ACF + NibWP

  • Real ACF field groups on your site
  • Consistent, predictable field keys and names
  • Correct location rules for your content types

Safe by default

Built for client sites, so control and traceability come first:

  • Nothing is written without your approval — you see the plan first.
  • Every action is recorded in a full audit trail.
  • It runs on WordPress core and your plugins’ own APIs — your content and site data stay on your server.
  • Reads are read-only; writes are gated.
FAQ

Questions, answered

Common questions about ACF over MCP.

Does it work with ACF free or Pro?
Both. Repeaters and flexible content require ACF Pro, as usual; NibWP uses whatever your site has.
Can it edit field values, not just structure?
Yes — it can read and bulk-update field values across posts, on your approval.
Will it change my existing field groups?
Only what you approve. NibWP shows the plan before writing anything.
Which AI clients work?
Claude Code, Claude Desktop, Cursor, Windsurf and ChatGPT — anything that speaks MCP.

Put AI to work in ACF.

Install NibWP, connect your AI client, and work through real ACF abilities — safely, on your own site.

Get started →How it works