claudeus_wp_theme__update_custom_css

Update theme custom CSS

SERVERClaudeus WordPress MCP SOURCEdeus-h/claudeus-wp-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/deus-h-claudeus-wp-mcp/claudeus-wp-theme--update-custom-css.md

WHAT IT DOES

What claudeus_wp_theme__update_custom_css does on Claudeus WordPress MCP

AI agents use claudeus_wp_theme__update_custom_css to create or update resources in Claudeus WordPress MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Claudeus WordPress MCP environment.

RISK

Why claudeus_wp_theme__update_custom_css is rated Medium

Updating custom CSS is a reversible modification (Write category) rather than deletion or code execution. However, severity is high because malicious CSS can deface the site, inject JavaScript via content, hide content, or redirect users—affecting all site visitors.

From the tool's definition Tool name 'update_custom_css' and description 'Update theme custom CSS' indicate modification of theme styling code. This is a write operation that alters site appearance and functionality through CSS injection.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs claudeus_wp_theme__update_custom_css safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Claudeus WordPress MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For claudeus_wp_theme__update_custom_css, this is the rule to start with:

claudeus_wp_theme__update_custom_css Rate-limited

claudeus_wp_theme__update_custom_css stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "claudeus_wp_theme__update_custom_css": {
      "limits": [
        {
          "counter": "claudeus_wp_theme__update_custom_css_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Claudeus WordPress MCP, apply this rule, and every claudeus_wp_theme__update_custom_css call is checked against it from then on.

FAQ

Questions about claudeus_wp_theme__update_custom_css

What does the claudeus_wp_theme__update_custom_css tool do? +

Update theme custom CSS. It is categorised as a Write tool in the Claudeus WordPress MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on claudeus_wp_theme__update_custom_css? +

Register the Claudeus WordPress MCP server in PolicyLayer and add a rule for claudeus_wp_theme__update_custom_css: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Claudeus WordPress MCP. Nothing to install.

What risk level is claudeus_wp_theme__update_custom_css? +

claudeus_wp_theme__update_custom_css is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit claudeus_wp_theme__update_custom_css? +

Yes. Add a rate_limit block to the claudeus_wp_theme__update_custom_css rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block claudeus_wp_theme__update_custom_css completely? +

Set action: deny in the PolicyLayer policy for claudeus_wp_theme__update_custom_css. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides claudeus_wp_theme__update_custom_css? +

claudeus_wp_theme__update_custom_css is provided by the Claudeus WordPress MCP server (deus-h/claudeus-wp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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