generate_freemarker · Mozaic MCP Server MCP: Risk & Policy

WHAT IT DOES

What generate_freemarker does on Mozaic MCP Server

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

WHY IT NEEDS A POLICY

Why generate_freemarker needs a policy

This tool generates templating code (Freemarker macros) as output rather than executing it. The generated code is a reversible write operation—produced text artifacts that can be edited, replaced, or deleted without permanent consequences. It does not execute code, delete data, or modify a system state irreversibly.

From the tool's definition Tool generates 'ready-to-use Freemarker macro code with import statements and configuration examples.' The word 'generate' combined with 'code' indicates code generation as output, which creates text artifacts (templates/macros) that would be consumed or…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_freemarker Rate-limited

generate_freemarker 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": {
    "generate_freemarker": {
      "limits": [
        {
          "counter": "generate_freemarker_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 Mozaic MCP Server, so you can run agents against it safely.

FAQ

Questions about generate_freemarker

What does the generate_freemarker tool do? +

Generate ready-to-use Freemarker macro code with import statements and configuration examples for Mozaic components. It is categorised as a Write tool in the Mozaic 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 generate_freemarker? +

Register the Mozaic MCP Server MCP server in PolicyLayer and add a rule for generate_freemarker: 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 Mozaic MCP Server. Nothing to install.

What risk level is generate_freemarker? +

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

Can I rate-limit generate_freemarker? +

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

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

generate_freemarker is provided by the Mozaic MCP Server MCP server (merzoukemansouri/adeo-mozaic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.