apply_prompt_change · MCP Server Template for Cursor IDE MCP

WHAT IT DOES

What apply_prompt_change does on MCP Server Template for Cursor IDE

AI agents invoke apply_prompt_change to trigger actions in MCP Server Template for Cursor IDE. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why apply_prompt_change needs a policy

The tool applies prompts to handle change requests within Cursor IDE, suggesting it triggers modifications or operations based on provided arguments. 'Apply' implies execution of actions beyond simple reads. The description is vague, but sibling tools like 'apply_prompt_fix' and 'apply_prompt_unit_tests' suggest this family of tools executes IDE-level operations.

From the tool's definition 'apply_prompt_change' - 'Provides a prompt for systematically handling change requests'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

apply_prompt_change Rate-limited

apply_prompt_change stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "apply_prompt_change": {
      "limits": [
        {
          "counter": "apply_prompt_change_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Server Template for Cursor IDE, so you can run agents against it safely.

FAQ

Questions about apply_prompt_change

What does the apply_prompt_change tool do? +

Provides a prompt for systematically handling change requests. It is categorised as a Execute tool in the MCP Server Template for Cursor IDE MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on apply_prompt_change? +

Register the MCP Server Template for Cursor IDE MCP server in PolicyLayer and add a rule for apply_prompt_change: 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 Server Template for Cursor IDE. Nothing to install.

What risk level is apply_prompt_change? +

apply_prompt_change is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit apply_prompt_change? +

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

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

apply_prompt_change is provided by the MCP Server Template for Cursor IDE MCP server (jankowtf/mcp-hitchcode). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.