Put an item from inventory into the nearest chest in reach (within 4 blocks). Returns clear errors when chest/item is missing or amount is too high.
AI agents use put_item_in_chest to create or update resources in Minecraft Survival MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Minecraft Survival MCP Server environment.
This tool modifies game state by transferring items into a chest, which is a Write operation (creates or modifies data reversibly). It does not execute arbitrary code, delete data permanently, move money, or cause irreversible harm. The blast radius is low because placing items in a chest in a survival game is a normal, reversible action with no external consequences.
From the tool's definition Tool description states it 'Put[s] an item from inventory into the nearest chest' - a create/modify operation that stores data (items) in a game state container (chest). The action is reversible: items can be retrieved from the chest later.
Attacks that exploit this kind of access
Put an item from inventory into the nearest chest in reach (within 4 blocks). Returns clear errors when chest/item is missing or amount is too high. It is categorised as a Write tool in the Minecraft Survival MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Minecraft Survival MCP Server MCP server in PolicyLayer and add a rule for put_item_in_chest: 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 Minecraft Survival MCP Server. Nothing to install.
put_item_in_chest 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 put_item_in_chest 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 put_item_in_chest. 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.
put_item_in_chest is provided by the Minecraft Survival MCP Server MCP server (netherite-stack/minecraft-survival-mcp-server). 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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