Manage D&D 5e concentration on spells. Operations: set (begin concentrating), get (query state), check (roll save after damage), break (end concentration). DC = max(10, damage/2). Supports advantage/disadvantage on saves.
AI agents invoke manage_concentration to trigger actions in ChatRPG. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
This tool performs game-state operations including setting concentration state, rolling saving throws, and breaking concentration — all of which are external operations that modify game state and trigger dice-roll mechanics. The most severe applicable category is Execute, as it runs game logic and triggers state changes beyond simple data reads or writes.
From the tool's definition Operations: set (begin concentrating), get (query state), check (roll save after damage), break (end concentration). DC = max(10, damage/2). Supports advantage/disadvantage on saves.
Attacks that exploit this kind of access
Manage D&D 5e concentration on spells. Operations: set (begin concentrating), get (query state), check (roll save after damage), break (end concentration). DC = max(10, damage/2). Supports advantage/disadvantage on saves. It is categorised as a Execute tool in the ChatRPG MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the ChatRPG MCP server in PolicyLayer and add a rule for manage_concentration: 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.
manage_concentration is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the manage_concentration 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 manage_concentration. 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.
manage_concentration 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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