List all active Minesweeper boards
AI agents call list_boards to retrieve information from Minesweeper MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about existing Minesweeper boards without modifying, creating, deleting, or executing any operations. It is a straightforward read operation with minimal risk even if misused by an AI agent.
From the tool's definition Tool name is 'list_boards' and description states 'List all active Minesweaker boards' — a retrieval operation with no side effects.
Attacks that exploit this kind of access
List all active Minesweeper boards. It is categorised as a Read tool in the Minesweeper MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Minesweeper MCP Server MCP server in PolicyLayer and add a rule for list_boards: 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 Minesweeper MCP Server. Nothing to install.
list_boards 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_boards 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_boards. 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_boards is provided by the Minesweeper MCP Server MCP server (vic563/mindsweeper-mcp). 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.
Teams ship this data inside their own products. See what a licence covers →