Process short or long rest for D&D 5e character. Short rest: spend hit dice to heal. Long rest: restore all HP, half hit dice (rounded up), and clear until_rest conditions. Supports batch for party rests.
AI agents use take_rest to create or update resources in ChatRPG — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ChatRPG environment.
This tool modifies character state by restoring HP, hit dice, and clearing conditions. These are reversible in-game data modifications (no real-world financial, destructive, or execution implications). The blast radius is low as it only affects fictional game state.
From the tool's definition Process short or long rest for D&D 5e character. Short rest: spend hit dice to heal. Long rest: restore all HP, half hit dice (rounded up), and clear until_rest conditions.
Attacks that exploit this kind of access
Process short or long rest for D&D 5e character. Short rest: spend hit dice to heal. Long rest: restore all HP, half hit dice (rounded up), and clear until_rest conditions. Supports batch for party rests. It is categorised as a Write tool in the ChatRPG MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the ChatRPG MCP server in PolicyLayer and add a rule for take_rest: 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 ChatRPG. Nothing to install.
take_rest is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the take_rest 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 take_rest. 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.
take_rest is provided by the ChatRPG MCP server (mnehmos/mnehmos.chatrpg.game). 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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