mcp_add_widget

Add a widget to a sidebar

SERVERWordpress SOURCE@cavort-it-systems/wordpress-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/io-github-cvrt-jh-wordpress-mcp/mcp-add-widget.md

WHAT IT DOES

What mcp_add_widget does on Wordpress

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

RISK

Why mcp_add_widget is rated Medium

Adding a widget modifies the website's appearance and functionality by inserting content into a sidebar. This is a reversible change (widgets can be removed or replaced), making it a Write-category action.

From the tool's definition Tool name is 'mcp_add_widget' and description states 'Add a widget to a sidebar' — both indicate creating/adding a new UI component to a WordPress site.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mcp_add_widget safely

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

mcp_add_widget Rate-limited

mcp_add_widget 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": {
    "mcp_add_widget": {
      "limits": [
        {
          "counter": "mcp_add_widget_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 Wordpress, apply this rule, and every mcp_add_widget call is checked against it from then on.

FAQ

Questions about mcp_add_widget

What does the mcp_add_widget tool do? +

Add a widget to a sidebar. It is categorised as a Write tool in the Wordpress MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mcp_add_widget? +

Register the Wordpress MCP server in PolicyLayer and add a rule for mcp_add_widget: 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 Wordpress. Nothing to install.

What risk level is mcp_add_widget? +

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

Can I rate-limit mcp_add_widget? +

Yes. Add a rate_limit block to the mcp_add_widget 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 mcp_add_widget completely? +

Set action: deny in the PolicyLayer policy for mcp_add_widget. 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 mcp_add_widget? +

mcp_add_widget is provided by the Wordpress MCP server (@cavort-it-systems/wordpress-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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