Low Risk

vscode_get_element_by_id

Get an element by its ID (document.getElementById wrapper). Fast lookup for elements with known IDs.

How to control vscode_get_element_by_id ↓

What vscode_get_element_by_id does on VSCode Automation MCP

AI agents call vscode_get_element_by_id to retrieve information from VSCode Automation MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why vscode_get_element_by_id needs a policy

This tool retrieves DOM element references by ID without modifying, executing, or destroying any state. It is purely informational, analogous to inspecting a document structure. While it operates within VSCode automation context (which could theoretically enable malicious workflows), the tool itself only reads and returns element data.

From the tool's definition Tool description states it is a 'document.getElementById wrapper' that performs a 'fast lookup for elements with known IDs' — a read-only DOM query operation with no side effects.

Documented attack patterns abuse exactly the kind of access vscode_get_element_by_id gives an agent:

How to control vscode_get_element_by_id

PolicyLayer is an MCP gateway — it sits between your AI agents and VSCode Automation MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for vscode_get_element_by_id:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "vscode_get_element_by_id": {}
  }
}

vscode_get_element_by_id is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register VSCode Automation MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about vscode_get_element_by_id

What does the vscode_get_element_by_id tool do? +

Get an element by its ID (document.getElementById wrapper). Fast lookup for elements with known IDs. It is categorised as a Read tool in the VSCode Automation MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on vscode_get_element_by_id? +

Register the VSCode Automation MCP server in PolicyLayer and add a rule for vscode_get_element_by_id: 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 VSCode Automation MCP. Nothing to install.

What risk level is vscode_get_element_by_id? +

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

Can I rate-limit vscode_get_element_by_id? +

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

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

vscode_get_element_by_id is provided by the VSCode Automation MCP server (sukarth/vscode-automation-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every VSCode Automation MCP tool call.

Start from VSCode Automation MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

61 VSCode Automation MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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