validate-element-update

Validates the request model for updating an element without actually updating it.

SERVERMcp Dev SOURCE@umbraco-cms/mcp-dev

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-dev/validate-element-update.md

WHAT IT DOES

What validate-element-update does on Mcp Dev

AI agents call validate-element-update to retrieve information from Mcp Dev without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why validate-element-update is rated Low

This tool examines and validates data but does not create, modify, delete, or execute operations. It is purely informational and safe for an AI agent to call, as it cannot affect system state. The explicit mention that it does not actually update the element confirms it has no write side effects.

From the tool's definition The tool 'validates the request model for updating an element without actually updating it' — it performs validation only and explicitly does 'not actually updat[e]' anything. This is a read-only operation that checks data without side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs validate-element-update safely

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

validate-element-update Allowed

validate-element-update is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "validate-element-update": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Dev, apply this rule, and every validate-element-update call is checked against it from then on.

FAQ

Questions about validate-element-update

What does the validate-element-update tool do? +

Validates the request model for updating an element without actually updating it. It is categorised as a Read tool in the Mcp Dev MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on validate-element-update? +

Register the Mcp Dev MCP server in PolicyLayer and add a rule for validate-element-update: 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 Mcp Dev. Nothing to install.

What risk level is validate-element-update? +

validate-element-update is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit validate-element-update? +

Yes. Add a rate_limit block to the validate-element-update 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 validate-element-update completely? +

Set action: deny in the PolicyLayer policy for validate-element-update. 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 validate-element-update? +

validate-element-update is provided by the Mcp Dev MCP server (@umbraco-cms/mcp-dev). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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