AI agents call show_create_table to retrieve information from Mcp Windows without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays existing database schema information (the CREATE TABLE DDL statement). It performs no data modification, deletion, or code execution—it simply queries and returns metadata about table structure. This is a classic Read operation with minimal risk.
From the tool's definition Tool name 'show_create_table' and description 'Show the CREATE TABLE statement for a table' indicate retrieval of schema metadata. The verb 'show' and lack of modification keywords (create, alter, drop) confirm read-only operation.
Documented attack patterns abuse exactly the kind of access show_create_table gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Windows, and nothing reaches the server without passing your rules. This is the rule we recommend for show_create_table:
{
"version": "1",
"default": "deny",
"tools": {
"show_create_table": {}
}
}show_create_table is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Show the CREATE TABLE statement for a table. It is categorised as a Read tool in the Mcp Windows MCP Server, which means it retrieves data without modifying state.
Register the Mcp Windows MCP server in PolicyLayer and add a rule for show_create_table: 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 Mcp Windows. Nothing to install.
show_create_table 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 show_create_table 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 show_create_table. 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.
show_create_table is provided by the Mcp Windows MCP server (mukul975/mcp-windows-automation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 441 Mcp Windows tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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441 Mcp Windows tools catalogued and risk-classified — across an index of 42,500+ MCP servers.