Code Engine – PHP Snippets, AI Functions & Automation for WordPress vs Enable Abilities for MCP

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. 💕

Enable Abilities for MCP gives you full control over which WordPress Abilities are available to AI assistants through the MCP (Model Context Protocol) Adapter. WordPress 6.9 introduced the Abilities API, allowing external tools to discover and execute actions on your site. This plugin extends that functionality by registering a comprehensive set of content management abilities and providing a simple admin interface to toggle each one on or off. Connect from claude.ai with just a URL Since version 2.1 the plugin ships an embedded OAuth 2.1 server built for claude.ai custom connectors. Add your site in claude.ai → Settings → Connectors, log in with your WordPress user, approve the consent screen — connected. No Client ID, no Application Password, no local configuration. Works from the claude.ai web app, mobile apps, and Claude Desktop Each team member authenticates with their own WordPress account and role — a subscriber can never do what only an editor should Every ability execution lands in the activity log under the real user’s name Works on single sites, subdirectory installs, and multisite networks (network-activate so the main site serves the OAuth discovery documents for every subsite) Prefer tokens? Application Passwords (per-user) and a single-admin Bearer token connect Claude Desktop / Claude Code, OpenAI Codex CLI, and Google Antigravity — the Connection tab generates ready-to-paste configuration for each client, and fills in your credentials automatically. Features 91 abilities organized in 18 categories: Core, Read, Write, SEO (Rank Math), SEO (SEOPress), SEO (Yoast), Navigation Menus, Utility, Multilanguage, Custom Post Types, WooCommerce, The Events Calendar, Code Snippets, JetEngine Options Pages, Elementor, LearnDash, Tutor LMS, and AI Agent Readiness (llms.txt) WooCommerce integration — dedicated abilities to manage products, orders, and customers using the native WooCommerce API (HPOS-compatible, formally declared) The Events Calendar integration — list, get, create, and update events with venue, organizer, and date filters claude.ai OAuth custom connector — connect from claude.ai (web, mobile, or desktop) with zero local setup: an embedded OAuth 2.1 server with Client ID Metadata Document (CIMD) support lets each user log in with their own WordPress account and role Admin dashboard with toggle switches for each ability Per-ability control — expose only what you need Third-party ability control — abilities registered by other MCP-ready plugins (e.g. Fluent Forms) appear in the same dashboard, grouped by plugin, with the same per-ability toggles; disabling one removes it from every MCP server on the site Secure by design — proper capability checks, input sanitization, and per-post permission validation WPCS compliant — fully passes WordPress Coding Standards (phpcs) MCP-ready — all abilities include show_in_rest and mcp.public metadata Available Abilities Read (safe, query-only): Get posts with filters (status, category, tag, search) Get single post details (content, SEO meta, featured image) Get categories, tags, pages, comments, media, and users Write (create & modify): Create, update, and delete posts Create categories and tags Create pages Moderate comments Reply to comments as the authenticated user Upload images from external URLs to the media library (with optional auto-assign as featured image) Duplicate any post, page, or custom post type item — including all post meta (ACF, SEO, featured image) and taxonomy terms; saved as a draft by default SEO — Rank Math: Get full Rank Math metadata for any post/page (title, description, keywords, robots, Open Graph, SEO score) Update Rank Math metadata: SEO title, description, focus keyword, canonical URL, robots, Open Graph, primary category, pillar content SEO — SEOPress: Get full SEOPress metadata for any post/page (title, description, focus keyword, robots, canonical, Open Graph, Twitter Card) Update SEOPress metadata: SEO title, description, focus keyword, canonical URL, robots directives, Open Graph, Twitter Card SEO — Yoast SEO: Get full Yoast SEO metadata for any post/page (title, description, focus keyphrase, canonical, robots, Open Graph, Twitter Card) Update Yoast SEO metadata: SEO title, description, focus keyphrase, canonical URL, robots (noindex, nofollow, advanced), Open Graph, Twitter Card Get Yoast sitemap index — fetch and parse the sitemap index, returning all registered sitemap URLs with last modification date Custom Post Types: List all registered custom post types with configuration and taxonomies Get items from any CPT with filtering, search, and taxonomy queries Get full details of a CPT item including all meta fields (WooCommerce, ACF, JetEngine, etc.) Create, update, and delete CPT items with taxonomy and meta field support Get CPT taxonomies with their terms Assign taxonomy terms to CPT items WooCommerce: List products with price, SKU, stock status, categories, and type Get full product detail including gallery, attributes, and variations Update product price, sale price, stock quantity, and status List orders with customer, total, status, and date (HPOS-compatible) Get full order detail: line items, billing/shipping, totals, and notes Update order status with optional note List customers with email, name, total spent, and order count The Events Calendar: List events with start/end date, venue, organizer, and date range filter Get full event detail with resolved venue address and organizer contact Create new events with title, description, dates, venue, and organizer Update existing events Navigation Menus: List menus with item counts and theme locations, and get one menu’s full item hierarchy Create a new menu, and add pages, posts, categories, tags, or custom URLs as items (with parent and position) Update an item’s title, URL, parent, or position Remove an item, assign a menu to a theme location, or delete a menu entirely (opt-in — destructive) Tutor LMS: Read a lesson’s video source configuration (type, value, and runtime) Set a lesson’s video source (external URL, YouTube, Vimeo, HTML5, or a third-party source such as Bunny.net) using Tutor’s own storage function — avoids the string-only limitation of the generic Update Post Meta ability, which Tutor cannot read back List courses, and get a single course’s full detail with its topics/lessons hierarchy Get a user’s enrollment status and completion progress for a course Get a user’s quiz attempt results, optionally filtered to a single quiz Enroll a user in a course, and unenroll them (both opt-in, manage_options only) Utility: Search and replace text in post content Site statistics overview (includes custom post type counts) Update any post meta field by exact key (with protected internal key blocklist) Requirements WordPress 6.9 or later (Abilities API) MCP Adapter plugin installed and configured PHP 8.0 or later