AI agents call get_timer to retrieve information from DMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves timer information from the game state without modifying any data or triggering external actions. It is a passive read operation typical of status/state queries in game management systems. No destructive, financial, or code execution capabilities are present.
From the tool's definition Tool name 'get_timer' and description 'Get timer details' indicate data retrieval with no modification or side effects. The verb 'get' and context of retrieving timer state align with read-only query operations.
Documented attack patterns abuse exactly the kind of access get_timer gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and DMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_timer:
{
"version": "1",
"default": "deny",
"tools": {
"get_timer": {}
}
}get_timer is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get timer details. It is categorised as a Read tool in the DMCP MCP Server, which means it retrieves data without modifying state.
Register the D MCP server in PolicyLayer and add a rule for get_timer: 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 DMCP. Nothing to install.
get_timer 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 get_timer 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 get_timer. 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.
get_timer is provided by the D MCP server (shawnrushefsky/dmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from DMCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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204 DMCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.