Get all legal moves in the given position.
AI agents call get_legal_moves_tool to retrieve information from ChessPal Chess Engine without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about valid moves in a chess position—a pure read operation with no side effects. It does not create, modify, delete, or execute arbitrary code. The blast radius of misuse is minimal; returning incorrect or all legal moves does not compromise system integrity or cause financial/destructive harm.
From the tool's definition Tool name 'get_legal_moves_tool' and description 'Get all legal moves in the given position' indicate a query operation that retrieves computed game state without modifying the board, game history, or any persistent data.
Documented attack patterns abuse exactly the kind of access get_legal_moves_tool gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and ChessPal Chess Engine, and nothing reaches the server without passing your rules. This is the rule we recommend for get_legal_moves_tool:
{
"version": "1",
"default": "deny",
"tools": {
"get_legal_moves_tool": {}
}
}get_legal_moves_tool is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get all legal moves in the given position. It is categorised as a Read tool in the ChessPal Chess Engine MCP Server, which means it retrieves data without modifying state.
Register the ChessPal Chess Engine MCP server in PolicyLayer and add a rule for get_legal_moves_tool: 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 ChessPal Chess Engine. Nothing to install.
get_legal_moves_tool 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_legal_moves_tool 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_legal_moves_tool. 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_legal_moves_tool is provided by the ChessPal Chess Engine MCP server (wilson-urdaneta/chesspal-mcp-engine). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from ChessPal Chess Engine, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
4 ChessPal Chess Engine tools catalogued and risk-classified — across an index of 43,000+ MCP servers.