level_up_character · DM20 Protocol MCP: Risk & Policy

WHAT IT DOES

What level_up_character does on DM20 Protocol

AI agents use level_up_character to create or update resources in DM20 Protocol — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your DM20 Protocol environment.

WHY IT NEEDS A POLICY

Why level_up_character needs a policy

Based on the tool name, this likely modifies a character sheet by increasing their level, which is a reversible data modification (Write). The empty description lowers confidence. In context with sibling tools like 'add_item_to_character', 'apply_effect', and 'approve_sheet_change', this server pattern confirms Write-type character modifications. Severity is medium as misuse could corrupt campaign character data.

From the tool's definition Tool name 'level_up_character' suggests modifying a character's level. Description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

level_up_character Rate-limited

level_up_character 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": {
    "level_up_character": {
      "limits": [
        {
          "counter": "level_up_character_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 DM20 Protocol, so you can run agents against it safely.

FAQ

Questions about level_up_character

What does the level_up_character tool do? +

level_up_character. It is categorised as a Write tool in the DM20 Protocol MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on level_up_character? +

Register the DM20 Protocol MCP server in PolicyLayer and add a rule for level_up_character: 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 DM20 Protocol. Nothing to install.

What risk level is level_up_character? +

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

Can I rate-limit level_up_character? +

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

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

level_up_character is provided by the DM20 Protocol MCP server (polloinfilzato/dm20-protocol). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.