Code Engine – PHP Snippets, AI Functions & Automation for WordPress vs Structure Viewer – File Explorer & AI Context Builder

Code Engine is a snippets manager that doesn’t stop at snippets. Yes, it runs your PHP and JavaScript exactly where and when you want: frontend, backend, on a schedule, or inside your content. But its real magic is what happens after you write a function: the same little piece of code instantly becomes a tool your AI chatbots can call, a step you can drag into a visual workflow, and an endpoint the outside world can trigger. One function, three superpowers. Most “code snippets” plugins stop at a textarea and a toggle. Code Engine treats your functions as first-class building blocks for the whole Meow Apps ecosystem, and for anything that can speak REST. Think out of the box, let your creativity flow, because the possibilities really are endless! ✨ For more, check the official website and come say hi on the Discord. Quick Intro Hello! ☀️ I built Code Engine because I was tired of pasting mystery snippets into functions.php and praying. I wanted a place where small bits of code are organized, safe, AI-assisted, and reusable everywhere. Here’s the idea. You write a function (or let the AI write it for you from a plain-English description). That function immediately shows up in three places: AI Engine: your chatbots and MCP clients (Claude, ChatGPT, Claude Code) can call it as a tool, with real arguments. Ask “how many orders shipped today?” and your chatbot runs your function to answer. Workflow Engine: your function appears in the step picker as its very own block. Drag it onto the canvas, wire it between an AI step and a Slack step, done. No glue code. REST / External tools: give it a secure endpoint and a token, then trigger it from Make.com, n8n, Zapier, a cron job, or a webhook. You never wrote an “integration.” You just wrote a function. Code Engine did the rest. 🤝 Core Modules 🧩 Snippets Manager Backend, Frontend, Persistent, Scheduled, Functions, and in-content (PHP/JS) snippets, all in one clean dashboard with tags, search, scope filters, and priorities. 🪄 AI-Assisted Coding Describe what you want in plain English and let AI Engine write the snippet: code, name, arguments, and scope included. Refine existing code or implement it straight from your comments. 🤖 Functions as AI Tools Every Function snippet becomes a function-calling tool and an MCP tool, so your AI Engine chatbots (and external AI agents) can actually do things on your site, not just talk. 🔀 Functions as Workflow Steps Workflow Engine surfaces each of your functions as its own draggable step. Your custom logic becomes a first-class citizen on the automation canvas. 🌐 External Access (REST) Expose any runnable snippet through a secured REST endpoint with a bearer token. Perfect for Make.com, n8n, webhooks, and scheduled external jobs. 🛡️ Safe Mode A snippet that throws a fatal error is automatically caught and disabled before it can take your site down. Code with confidence. ⏰ Scheduling Run a snippet daily at a chosen time via WP-Cron (reports, cleanups, syncs) without touching the server crontab. 🧱 Code Blocks & Shortcodes (Pro) Drop PHP or JS straight into a post or page with a Gutenberg block or the [code-engine] shortcode, with safety guards. 🧩 Snippets, the way they should be Code Engine organizes your code by scope, so each snippet runs exactly where it belongs: Persistent: runs everywhere (frontend and backend). Your everyday “add this to functions.php” code, but managed. Frontend: runs only on the public site. Backend: runs only in the admin. Function: a named, callable function with typed arguments and defaults. This is the reusable building block (see below). Scheduled: runs on a WP-Cron schedule, at the hour and minute you pick. Content (PHP / JS): runs inside a specific post or page, via a Gutenberg Code Block or the [code-engine] shortcode (Pro). Everything is searchable, taggable, sortable by priority, and importable/exportable. The CodeMirror editor gives you proper syntax highlighting and keyboard shortcuts (Cmd+S to save, Cmd+Enter to run). A nikic/php-parser pass validates your PHP before it ever runs. 🪄 Let AI write it for you Don’t feel like writing the boilerplate? Describe the snippet in plain language and Code Engine, powered by AI Engine, generates the whole thing: the code, a sensible name, a description, the right scope, and, for functions, the argument list with names, types, and defaults. Already have code? Ask the AI to modify it from a prompt, or write a few comments describing what you want and let it fill in the implementation. It’s pair programming, right inside your dashboard. ✨ The big idea: write once, use everywhere This is what makes Code Engine different. A Function snippet is not just code you call from other code. It’s a reusable capability that the rest of your stack can plug into. The moment you save it, the same function is available in three places at once: 1. As an AI tool, for chatbots and AI agents With AI Engine active, your functions are exposed through function calling and over MCP (Model Context Protocol). Your on-site chatbot can run them mid-conversation, and external AI agents (Claude, Claude Code, ChatGPT, OpenClaw) can call them too. Want a chatbot that checks stock, looks up a booking, or kicks off a process? Write the function; the chatbot gains the skill. 2. As a workflow step, for automation With Workflow Engine, every active function shows up in the Add-step picker as its own block, named after your snippet, with one input per argument. Drag it onto the canvas and wire it between other steps: an AI step that summarizes, your function that saves, a Social Engine step that posts. There’s also a generic “Execute snippet (by ID / by name)” step when you want to call one dynamically. You never write integration code; your function is the integration. 3. As a REST endpoint, for the outside world Give a snippet a custom endpoint name and a bearer token, and it’s instantly callable from anywhere: POST /wp-json/code-engine/v1/snippets-endpoint/your-endpoint Pass arguments as JSON in the body, secure it with a token, and trigger it from Make.com, n8n, Zapier, GitHub Actions, or a humble cron job. Automation without a middleware bill. 🛡️ Safe by default Running arbitrary code is powerful, so Code Engine takes safety seriously: Safe Mode catches fatal errors and auto-disables the offending snippet, so a typo never white-screens your site. REST whitelisting means global snippets only run on trusted REST routes by default, so you choose what to open up. Per-snippet tokens secure your external endpoints. Validation with a real PHP parser before code is saved. For developers who want fewer guardrails, there’s a “Bypass REST Security” option and filters (mwcode_rest_authorized, mwcode_rest_whitelist) to tailor exactly what’s allowed. Works beautifully with the Meow Apps family Code Engine is one engine in a connected set, each one useful alone, magical together: AI Engine: chatbots, content generation, and MCP. Turns your functions into AI tools. Workflow Engine: visual automation. Turns your functions into draggable steps. SEO Engine: smart, lightweight AI SEO. Social Engine: schedule and automate social posts. Why Code Engine? Reusable, not throwaway Other snippet plugins give you a place to paste code. Code Engine gives you a place to build capabilities that your AI, your workflows, and your external tools can all use. Native to WordPress Clean, fast, and built the WordPress way. No clunky external dashboards, no bloat. AI-native Write snippets with AI, expose them to AI. The whole loop lives in your wp-admin. Developer friendly REST API, MCP tools, function calling, scheduling, import/export, and plenty of filters to hook into. Cared for Part of the Meow Apps family, with regular updates and a real human behind it. 💕

Structure Viewer is a WordPress file explorer and AI context builder for developers — browse, inspect, view source code, and export the complete file structure of any installed plugin or theme, directly from your WordPress admin dashboard. No FTP, no cPanel, no server access needed. Open any file, read its source code with syntax highlighting, search across your entire codebase, and export the full file tree as TXT, JSON, XML, PDF, or clipboard copy — all without leaving WordPress. And if you work with any AI coding tool — ChatGPT, Claude, Cursor, Copilot, Gemini, or anything else — Structure Viewer is the missing first step. Export your plugin’s complete structure as ready-to-use AI context in one click, and give your AI the full codebase map before you ask it anything. — 🤖 Built for AI-Assisted Development Modern coding workflows look different than they did two years ago. You’re working alongside an AI, and your AI works better when it has structural context. Structure Viewer is designed for exactly that workflow: Tree-format exports purpose-built for LLM context windows — clean ASCII, no markdown noise, token-efficient Works with any AI tool — ChatGPT, Claude, Cursor, Copilot, Gemini, Perplexity, or any other chat or coding assistant One-click clipboard copy — emoji tree format that pastes into any AI chat with perfect alignment Filter before you export — exclude node_modules, vendor, build artifacts, or anything you don’t want bloating your context Read source inline — open any file in the browser modal, copy the snippet you need, paste into your AI conversation Auto-redact secrets — opt-in masking of API keys, tokens, passwords, AWS / Stripe / GitHub keys, JWTs and PEM private keys before content leaves the server — paste into any AI tool without leaking credentials Pro: Comparator — diff two versions of a plugin and feed only the changed lines to your AI for targeted code review Pro: FlatPack — extract just the PHP, just the JS, or just the CSS from any plugin and hand the AI a focused codebase WP-CLI exports — script structure dumps directly into your AI agent’s working directory Stop pasting one file at a time. Give the AI the whole map first, then ask better questions. — 🗂️ File Explorer See exactly what is inside every plugin and theme: Interactive tree view — expandable folders with icons for every file type (PHP, JS, CSS, images, JSON, XML, and more) Searchable item picker — switch between All Plugins, individual plugins, All Themes, and individual themes instantly Live tree search — type to filter files in real time, jump between matches with next/prev navigation All-mode plugin filter — when viewing All Plugins or All Themes, the live search filters the plugin or theme list by name so you can find the one you want fast File type tag strip — one click to show only PHP files, only CSS, only images — whatever you need File size and modification dates — see when each file was last changed, toggle on/off Recently Viewed panel — jump back to any file or folder you have already opened 📄 File Viewer Click any file to read it right there in your browser: Inline modal with syntax highlighting for all common languages File metadata: size, line count, last modified timestamp Auto-redact secrets badge — shown in the modal when redaction is active so you know the displayed content has been sanitised Fullscreen mode for reading long files without scrolling the page One-click download — get any file with the correct MIME type and original filename preserved 🔍 Search Find any file across your entire plugin or theme in seconds: Real-time search — results appear as you type, no page reloads Extension search — prefix with a dot to filter by type: .php, .js, .css, .json File type dropdown for quick narrowing Results show full relative path, file size, and last modified date 📤 Export Share or document your plugin structures in any format: TXT — clean ASCII tree, perfect for documentation, tickets, and AI context windows JSON — nested structure with file sizes and timestamps for programmatic use XML — standardized hierarchical format PDF — formatted document with header, page numbers, and automatic page breaks Clipboard — one-click emoji tree copy for pasting into Slack, Notion, or GitHub 📊 Dashboard Your WordPress file ecosystem at a glance: Stat tiles for total plugins, active/inactive split, total themes, and total files indexed Largest plugins table — instantly see which plugins are heaviest with file count and size bars WordPress environment strip: WP version, PHP version, active theme, site URL ⚙️ Settings Make it yours: Dark mode / Light mode — toggle instantly from the plugin header or apply via Settings; rendered server-side with no flash on load Accent color picker — Emerald (default), Violet, Blue, Amber, or Rose Auto-redact secrets on export (new in 2.2.2) — opt-in toggle that masks credentials in viewed and downloaded file content Exclude hidden files, system directories, and custom patterns (node_modules, .git, vendor) Settings auto-save with instant confirmation toast 💻 WP-CLI Automate structure exports from the command line: wp structure-viewer export plugin wp structure-viewer export theme wp structure-viewer list plugins wp structure-viewer list themes — 🚀 Structure Viewer Pro Unlock two powerful Pro tools for developers who need to go deeper. 🔀 Comparator — Know Exactly What Changed Ever updated a plugin and wondered what actually changed? Comparator shows you a precise, color-coded, line-by-line diff between any two versions — so you can audit updates, review customizations, and catch unwanted changes before they cause problems. Compare two plugin ZIPs side by side Compare an installed plugin or theme against any uploaded ZIP Compare two individual files for a targeted spot-check Added lines in green, removed in red, changed lines clearly highlighted Works on large plugins and minified CSS/JS files — auto-tokenizes before diffing Expand/collapse per-file diff blocks to focus on what matters 📦 FlatPack — Extract Only What You Need Need just the CSS from a plugin? Or all the PHP files for a code review? FlatPack extracts any plugin or theme ZIP and flattens it into a single, clean download — no nested folders, no hunting through directory trees. Upload any plugin or theme ZIP and see all its files in a live preview instantly Filter by PHP, CSS and JS, images, or any custom extension — preview updates live Only the filtered files are included in the output ZIP Smart collision-safe naming: duplicate basenames get a folder prefix automatically Download a single flat ZIP in seconds Upgrade to Pro from within the plugin — Settings → License → Upgrade to Pro. — 🔒 Security Security is not an afterthought. Every request to Structure Viewer is protected: Nonce verification on all AJAX endpoints manage_options capability required — administrators only, no public access Path traversal prevention — file paths resolved with realpath() and verified Input sanitized with wp_unslash() + sanitize_text_field() before use All output escaped before rendering Auto-redact secrets (opt-in) — strips API keys, tokens, passwords, AWS / Stripe / GitHub / Google / Slack keys, JWTs, and PEM private keys from viewed and downloaded file content Pro upload directories protected with .htaccess deny rules ⚡ Performance Structure Viewer is invisible to your site’s frontend: Assets load only on the Structure Viewer admin page — zero impact on your site Dashboard stats cached with a 6-hour transient Lazy tree loading — only trees you expand are scanned FlatPack preview filtering is entirely client-side — no extra AJAX round-trips No external HTTP requests at runtime