vscode_get_output_channels

THE RISK

Low Risk

Why vscode_get_output_channels needs a policy

This tool only retrieves or enumerates information about existing output channels. It has no side effects, does not execute code, does not modify state, and does not delete data. It is a straightforward information-gathering operation consistent with the 'Read' category.

From the tool's definition The tool name 'vscode_get_output_channels' and description 'Get list of available output channels in VSCode' indicate a retrieval operation that queries the current state of VSCode's output system without modifying, executing, or deleting anything.

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

POLICY

How to control vscode_get_output_channels

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_output_channels:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "vscode_get_output_channels": {}
  }
}

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

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

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More VSCode Automation MCP tools

Destructive vscode_clear_console Clear captured console logs. Execute vscode_execute_command Execute a VSCode command programmatically. Use this to trigger any command available in th Execute vscode_execute_script Execute arbitrary JavaScript code in the VSCode window context (like DevTools console). Ha Execute vscode_go_to_definition Trigger Go to Definition (F12) on the current cursor position. Execute vscode_hover Hover over an element for a specified duration to trigger hover effects. Execute vscode_initialize Initialize the VSCode automation driver. This is called automatically on first tool use, b Execute vscode_trigger_completion Trigger IntelliSense/code completion (Ctrl+Space) and optionally wait for items. Execute vscode_trigger_hover Trigger hover on an element and optionally wait for tooltip to appear. Returns tooltip con

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about vscode_get_output_channels

What does the vscode_get_output_channels tool do? +

Get list of available output channels in VSCode. 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_output_channels? +

Register the VSCode Automation MCP server in PolicyLayer and add a rule for vscode_get_output_channels: 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_output_channels? +

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

Can I rate-limit vscode_get_output_channels? +

Yes. Add a rate_limit block to the vscode_get_output_channels 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_output_channels completely? +

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

vscode_get_output_channels 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.

CHECK YOUR STACK →