AI Agent Skills, WordPress plugins, headless platforms and interactive web applications from Opace Digital Agency, Birmingham, UK.
This repository is the canonical index of Opace open-source projects. Start with the Agent Skills below, or browse the portfolio by area.
| Project | What it provides |
|---|---|
| AI UI/UX Motion Engine | Production Agent Skill and plugin for AI website design, UI/UX, frontend development, motion graphics, cinematic scroll experiences, Three.js and accessible interaction across Codex, Claude Code, Cursor, Copilot, Antigravity, Gemini and Windsurf. |
| Opace Agent Skills | The wider open collection and catalogue of reusable AI Agent Skills, installers, platform guidance and releases. |
| Project | What it provides |
|---|---|
| Opace AI Content Integrity: Free AI Detector, Invisible Character & Watermark Checker | Free, open-source AI content detection that runs in your browser or on our EU server, with no sign-up and no per-check cost. A trained classifier reads the whole document section by section and reports the strongest section rather than an average. Also detects invisible Unicode characters and Cyrillic lookalikes, reads C2PA Content Credentials, and includes a SynthID-Text watermark lab ported from Google DeepMind's reference implementation. Every result names the check that ran, its version and its measured limits, and no score is ever presented as proof of authorship. Ships as a web checker, WordPress plugin, Chrome extension, Astro integration and CLI. |
| Project | What it provides |
|---|---|
| Add as Preferred Source Button & Popup for Google (SEO & AI Overviews) - framework packages | TypeScript web component with React, Vue, Svelte and Astro packages for Google's official Preferred Sources SDK, plus a deeplink fallback. |
| Add as Preferred Source Button, Popup & Analytics for Google (SEO & AI Overviews) - WordPress plugin | WordPress plugin with smart placement, CRO triggers, consent controls and honest click analytics for AI Overviews, Discover and Top Stories. |
| Add as Preferred Source Button & Popup for Google (SEO & AI Overviews): Site Checker - Chrome extension | Install the public Chrome Site Checker for a local toolbar audit of any site's eligibility shape, SDK install, deeplink and embed code. View its source. |
| Project | What it provides |
|---|---|
| Opace AI Hub: Prompt Library & API Integration Hub for OpenAI, Claude & Gemini - WordPress plugin | Shared WordPress AI infrastructure for provider credentials, live models, prompts, normalised requests and usage records. Version 1.0 is the first public release. |
| Opace AI Scribe: SEO Content Creator & Humanizer for OpenAI, Anthropic & Gemini - WordPress plugin | Guided WordPress content and SEO workflow. Its version 3 architecture uses Opace AI Hub for the shared provider layer. |
| Project | What it provides |
|---|---|
| Opace Essential SEO Toolkit: SEO Analysis Tool for WordPress & Google Chrome - Chrome extension | Chrome extension for reviewing on-page SEO, speed, audit, backlink, technical and social-analysis signals while viewing a WordPress site or any public page. |
| UK Website Cost Calculator: Estimate Setup, Build & Ongoing Ownership Costs - web app | Free UK website cost calculator covering setup, build and ongoing ownership estimates across one, three and five years. |
| Opace Annotate: Visual Feedback & Website Critique Tool for Design Mockups - web app | Visual website-review and design-feedback application for HTML mockups and live sites. |
| Project | What it provides |
|---|---|
| Astro Visual Editor: Change Text, SEO & Drag & Drop Sections in the Front-End - Astro integration | Development-only Astro integration for front-end text and SEO editing, drag-and-drop sections, reviewed change queues and validated source writes. View the product page. |
| Headless CMS | Productised Payload CMS platform with reusable content blocks, PostgreSQL, Next.js and Astro frontends. |
| Next.js Starter Reference | Documentation-only reference for an early Next.js web-application starter concept; no runnable application source is present on the default branch. |
| Project | What it provides |
|---|---|
| Article Smasher | Early project concept for AI-assisted article generation, content repurposing and marketing workflows; no runnable application is currently included. |
| SmashingApps | React application combining AI productivity tools including Task Smasher and Article Smasher. |
| Task Smasher | Secure, rate-limited OpenAI API proxy using Netlify serverless functions. |
| Project | What it provides |
|---|---|
| Driving Lesson Hunter | UK driving-test-centre finder using geocoding and official public data. |
| Evolution of Religion Timeline | Interactive data visualisation covering the development and spread of world religions. |
| Project | What it provides |
|---|---|
| 3D Racing | Browser-based 3D racing prototype using Babylon.js, TypeScript, WebGL and WebGPU. |
| Neon Dusk Circuit | Browser-playable Babylon.js racing experience with advanced rendering. |
| Roomba | Interactive 3D visualisation built with React Three Fiber and Three.js. |
AI Agent Skills · Codex skills · Claude Code skills · GitHub Copilot · OpenAI · Astro integration · visual editing · frontend editing · WordPress plugins · headless CMS · Payload CMS · frontend development · content creation · web design · 3D visualisation · data visualisation · accessibility-aware motion
- Web design and development
- Astro development
- Next.js and React development
- WordPress development
- AI SEO
- Pay-monthly websites
Opace is a Birmingham digital agency specialising in open-source development, WordPress, e-commerce, headless platforms, AI integrations and modern web applications.
Browse this canonical Opace open-source portfolio repository · View the Opace GitHub profile