update_map_event_draft · RPG Maker MV Content Bridge MCP

WHAT IT DOES

What update_map_event_draft does on RPG Maker MV Content Bridge

AI agents use update_map_event_draft to create or update resources in RPG Maker MV Content Bridge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your RPG Maker MV Content Bridge environment.

WHY IT NEEDS A POLICY

Why update_map_event_draft needs a policy

This tool creates or modifies game content (map events) in a draft state within an RPG Maker project. The use of 'draft' suggests changes are staged and can be reviewed/discarded (as evidenced by 'discard_pending_changes' sibling), making it reversible rather than destructive. It falls into the Write category as it modifies data without permanently deleting or executing arbitrary code.

From the tool's definition Tool name contains 'update' and description states 'Update a map event draft'. The server context confirms this is a 'file-based bridge' that allows 'safely write content into an RPG Maker MV project', and sibling tools like 'create_*_draft' and 'apply_patch'…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_map_event_draft Rate-limited

update_map_event_draft 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": {
    "update_map_event_draft": {
      "limits": [
        {
          "counter": "update_map_event_draft_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 RPG Maker MV Content Bridge, so you can run agents against it safely.

FAQ

Questions about update_map_event_draft

What does the update_map_event_draft tool do? +

Update a map event draft. It is categorised as a Write tool in the RPG Maker MV Content Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_map_event_draft? +

Register the RPG Maker MV Content Bridge MCP server in PolicyLayer and add a rule for update_map_event_draft: 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 RPG Maker MV Content Bridge. Nothing to install.

What risk level is update_map_event_draft? +

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

Can I rate-limit update_map_event_draft? +

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

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

update_map_event_draft is provided by the RPG Maker MV Content Bridge MCP server (zdoss/herolink). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.