transform-text · Demo MCP Server MCP: Risk & Policy

WHAT IT DOES

What transform-text does on Demo MCP Server

AI agents use transform-text to create or update resources in Demo MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Demo MCP Server environment.

WHY IT NEEDS A POLICY

Why transform-text needs a policy

This tool transforms text by changing its case and format. It takes input text and returns a modified version, which is a Write operation (data modification). Since it processes text without persisting it or causing side effects beyond returning transformed text, it's low severity - likely just an in-memory transformation with no storage impact.

From the tool's definition "Transform text case and format" - modifies text by changing its case and formatting

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

transform-text Rate-limited

transform-text 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": {
    "transform-text": {
      "limits": [
        {
          "counter": "transform-text_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about transform-text

What does the transform-text tool do? +

Transform text case and format. It is categorised as a Write tool in the Demo MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on transform-text? +

Register the Demo MCP Server MCP server in PolicyLayer and add a rule for transform-text: 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 Demo MCP Server. Nothing to install.

What risk level is transform-text? +

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

Can I rate-limit transform-text? +

Yes. Add a rate_limit block to the transform-text 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 transform-text completely? +

Set action: deny in the PolicyLayer policy for transform-text. 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 transform-text? +

transform-text is provided by the Demo MCP Server MCP server (kylekanouse/test-mcp---demo-mcp-dev-1). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.