wp-custom-theme

A set of instructions for creating, editing, maintaining, and debugging custom WordPress themes. A theme controls a site's templates, layout, styling, and some WordPress behavior.

In plain words
What is it for?
Use it for theme templates, `functions.php`, hooks, filters, CSS, `theme.json`, Gutenberg blocks, custom post types, performance, and security.
Why use it?
It tells the coding agent which WordPress theme files and concepts to consider when changing a site's appearance or theme code.

Plugin for Claude Code

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code
/plugin marketplace add trtmn/agent-plugins
agentmods
npx agentmods add plugins/trtmn/agent-plugins/wp-custom-theme
Clone the repo
git clone --depth 1 https://github.com/trtmn/agent-plugins

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

wp-custom-theme scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/wp-custom-theme/.claude-plugin/plugin.json · 6 lines

What it actually says

{
  "name": "wp-custom-theme",
  "version": "1.0.0",
  "description": "Use this skill whenever the user is creating, editing, maintaining, or debugging a custom WordPress theme. Trigger for any of the following: building a theme from scratch, modifying theme templates (header.php, footer.php, single.php, page.php, etc.), working with functions.php, registering hooks or filters, styling with theme CSS or theme.json, adding Gutenberg block support, customizing block styles, optimizing theme performance, or reviewing theme security. Also trigger when the user mentions template hierarchy, child themes, enqueuing scripts/styles, custom post types in a theme context, WordPress loop, or WP_Query customizations. If in doubt and WordPress theming is involved, use this skill."
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 6 lines scan A 1e2d38302339

Subscribe to this mod's changes

wp-custom-theme is a plugin published in the GitHub repository trtmn/agent-plugins (2 stars, last pushed 4d ago), licensed Unlicense. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.