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AgentKit arrives. Our Plugin brings OpenAI’s Agent Builder and ChatKit to WordPress

Forerunner® Wordpress OpenAI ChatKit Agent Builder Plugin

October 8, 2025

AgentKit arrives. Our Plugin brings OpenAI’s Agent Builder and ChatKit to WordPress

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Noel Lees

October 8, 2025 - 5 min

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OpenAI has launched AgentKit, a toolkit for building, evaluating and shipping AI agents. The release includes Agent Builder for workflow design and ChatKit for embedding chat experiences, released on the 7th October, we launched our plugin for wordpress on the 8th October, which allows you to use their agent builder and quickly display your agent on your website.

Check out our plugin in action at the bottom of this article so you can try it out for yourself! See our Agent we built in OpenAI’s Agent Builder and how we have enabled all OpenAI’s ChatKit layout and functionality within wordpress.

What OpenAI has shipped

AgentKit in brief
AgentKit is a set of tools for creating agent workflows, deploying the chat interface, and measuring performance with evaluation features. OpenAI’s summary describes a single platform that covers building, UI, and optimising agents.

Agent Builder
Agent Builder gives you a visual canvas to design multi-step workflows. You connect nodes, define the order of steps, choose models, and add guardrails. It is built for versioning and multi-agent patterns, so teams can evolve an agent without rewriting the stack.

ChatKit
ChatKit is the UI layer. It provides a chat surface that you can embed in products, with theming, widgets and actions. Widgets can surface context, shortcuts and interactive cards, and actions let you wire button clicks and other events into your app logic.

ChatKit is what you think of when you use ChatGPT – a visual layer which allows you to interact with the model, the tools and use interactive methods to display data and information for your customers.

Why this matters to site owners

Agent Builder lowers the barrier to designing useful agents. ChatKit removes the need to build a chat UI from scratch. Together they let teams ship agents that can handle support, sales and workflow tasks, while keeping control of behaviour, tools and data access. OpenAI has also added evaluation tools so you can measure quality and improve over time.

What our new plugin as part of our AI Forerunner® suite of tools adds for WordPress

Direct connection to Agent Builder
Forerunner® WordPress OpenAI ChatKit Agent Builder Plugin links a WordPress site to an Agent Builder workflow. You create or update the agent in OpenAI, copy the workflow ID, then place a shortcode in WordPress. The agent runs with your chosen models, tools and behaviour as defined in Agent Builder. Authentication supports domain-restricted public keys or server-side API keys.

Full ChatKit feature set in WordPress
The plugin mirrors ChatKit options so the interface you test in OpenAI behaves the same on your site. You can pick light, dark or auto theme, match border radius and density, load OpenAI Sans, add welcome text and starter prompts, and allow file attachments for screenshots and documents. Settings live in a clear admin screen.

Fits normal WordPress workflows
It follows WordPress coding standards and works with Elementor, Divi and Gutenberg. Multisite is supported. You can deploy inline on a page, or as a floating launcher that is available site-wide. Shortcode attributes let you override global settings per page. You can also run multiple agents on one site for different tasks.

Security and performance
Keys stay server-side. Traffic runs over HTTPS with appropriate headers. Inputs are validated and rate limited, and assets only load on pages that use chat. These are practical measures that keep credentials private and page speed healthy.

Where to use it

  • Customer support trained on documentation and FAQs
  • Sales qualification and pre-purchase guidance
  • Ecommerce assistance and order support
  • Courses and membership onboarding
  • Internal portals that answer policy and how-to questions
Getting started
  1. Install the Forerunner® WordPress OpenAI ChatKit Agent Builder Plugin
  2. Add OpenAI credentials and your workflow ID
  3. Place the shortcode on the page where you want the assistant
  4. Test in the admin, then publish

AgentKit is the direction of travel for agentic apps. Similar to where module based visual builders such as n8n are, this is OpenAI’s own in house builder for similar applications all in the OpenAI ecosystem. No doubt other companies such as ElevenLabs, Gemini, Grok etc will all be developing their own to keep a closed loop system and functionality.

Agent Builder handles design and safety, ChatKit handles the user interface, and the evaluation tools help teams iterate with evidence. Forerunner’s role is to make that stack available to WordPress sites without a custom build. If OpenAI adds features to Agent Builder or ChatKit, WordPress users gain them through updates, which keeps the integration current with the platform.

Check it out right here

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AI Automation by Design for Online®

We offer solutions which work out of the box such as this one, which require simple steps to setup your workflow, all the way to fully customisable options where we work with your business direct.

Create custom workflows, interact with your website, products and most importantly your data to allow your customers and employees to benefit. We also offer in house consultancy and development options, speak with us today.