List all maps
AI agents call list_maps to retrieve information from RPG Maker MV Content Bridge without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about maps in an RPG Maker MV project without creating, modifying, or deleting any data. It is a simple enumeration/query operation typical of Read category tools. The severity is low because even if an AI agent misuses this, it only gains visibility into project structure with no destructive potential.
From the tool's definition Tool name is 'list_maps' and description is 'List all maps'. The verb 'list' indicates a query operation with no side effects.
Attacks that exploit this kind of access
List all maps. It is categorised as a Read tool in the RPG Maker MV Content Bridge MCP Server, which means it retrieves data without modifying state.
Register the RPG Maker MV Content Bridge MCP server in PolicyLayer and add a rule for list_maps: 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.
list_maps is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_maps 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.
Set action: deny in the PolicyLayer policy for list_maps. 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.
list_maps 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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