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    WordPress Production Build Kit

    by Arnstein Larsen

    Ship production-grade, block-first WordPress themes and plugins with CI/CD and accessibility baked in.

    Updated Jun 2026
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    $19

    /mo

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    • Always the latest version
    • Delivered live to your agent via MCP
    • Cancel anytime, access ends at period end

    Included in download

    • Downloadable skill package
    • Works with Cursor, Codex CLI
    • Instant install

    Sample input

    Audit my current theme code and help me move the custom post types out of functions.php into a proper plugin structure.

    Sample output

    MODE: HARDEN-BUILD

    | # | Gap | Standard | Priority | Fix | |---|---|---|---|---| | 1 | Post types in functions.php | 3 | P1 | Extract to namespaced plugin | | 2 | No PHPCS gate | 2 | P0 | Add phpcs.xml.dist + CI gate |

    Patch 1: New Plugin src/plugins/my-cpt-logic.php (Namespaced code follows...)

    Screenshots

    About This Skill

    What it does

    The WordPress Production Build Kit is a specialized engineering skill that transforms an AI agent into a senior WordPress developer. It eliminates the "fragile build" problem by enforcing modern, production-grade standards: Full Site Editing (FSE), block-first architecture, and CI/CD-driven deployments.

    Why use this skill

    Most AI-generated WordPress code is "spaghetti" — logic mixed into themes, hard-coded HTML, and ignored security standards. This skill "holds the line" on professional engineering. It ensures functionality is abstracted into plugins, design tokens are centralized in theme.json, and every line of code is WPCS-compliant and accessible (WCAG 2.1 AA) by default.

    Supported tools & frameworks

    • WordPress Core: Full Site Editing (FSE), Block API, and Block Bindings.
    • Standards: WPCS (WordPress Coding Standards) via PHPCS.
    • DevOps: GitHub Actions/CI workflows for automated deployment and linting.
    • Frontend: theme.json design tokens and semantic HTML5.

    The Output

    The skill operates in two modes: BUILD (producing a full scaffold including a block theme, feature-specific plugins, and CI configuration) or HARDEN-BUILD (an audit of existing code with a prioritized, scored upgrade plan and ready-to-merge patches).

    Use Cases

    • Scaffold accessible FSE block themes from a design spec or Figma tokens.
    • Audit legacy themes for modern block-editor compatibility and security.
    • Automate WPCS-compliant code linting and GitHub Actions deployment workflows.
    • Extract theme spaghetti into reusable, namespaced WordPress plugins.
    • Modernize existing templates into reusable block patterns and block.json components.

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    Permissions

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    Works with any SKILL.md-compatible agent (Claude Code, Cursor, Codex CLI, Gemini CLI, OpenCode). Targets current stable WordPress + supported PHP and states assumptions for older targets. Best with repo access so it can scaffold files and wire CI.

    Frequently Asked Questions

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