mssql_describe_table · Enhanced MCP MSSQL Server MCP

WHAT IT DOES

What mssql_describe_table does on Enhanced MCP MSSQL Server

AI agents call mssql_describe_table to retrieve information from Enhanced MCP MSSQL Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why mssql_describe_table needs a policy

This tool retrieves table schema information (columns, types, constraints, etc.) which is a read-only operation with no side effects. It supports the server's stated 'schema discovery' capability and poses minimal risk if misused by an AI agent, as it only exposes structural metadata about database tables.

From the tool's definition Tool name 'mssql_describe_table' and description 'Get detailed information about a table structure' indicate schema/metadata retrieval with no data modification or execution.

Attacks that exploit this kind of access

Questions about mssql_describe_table

What does the mssql_describe_table tool do? +

Get detailed information about a table structure. It is categorised as a Read tool in the Enhanced MCP MSSQL Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mssql_describe_table? +

Register the Enhanced MCP MSSQL Server MCP server in PolicyLayer and add a rule for mssql_describe_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 Enhanced MCP MSSQL Server. Nothing to install.

What risk level is mssql_describe_table? +

mssql_describe_table is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit mssql_describe_table? +

Yes. Add a rate_limit block to the mssql_describe_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.

How do I block mssql_describe_table completely? +

Set action: deny in the PolicyLayer policy for mssql_describe_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.

What MCP server provides mssql_describe_table? +

mssql_describe_table is provided by the Enhanced MCP MSSQL Server MCP server (michaelyuwh/mcp-mssql-connector). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.