get_table_definition

Get the full CREATE TABLE definition for a table

Server SQL Server MCP millelog/sql-server-mcp
Category Read
Risk class Low
Parameters 00 required

What get_table_definition does on SQL Server MCP

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

Why get_table_definition needs a policy

This tool retrieves and queries table schema metadata (the CREATE TABLE definition) with no side effects. It performs introspection only, similar to INFORMATION_SCHEMA queries or DESCRIBE commands, which are non-destructive read operations. The read-only nature of the server and the informational purpose of the tool confirm this classification.

From the tool's definition Tool name 'get_table_definition' and description 'Get the full CREATE TABLE definition for a table' indicate retrieval of metadata without modification.

Questions about get_table_definition

What does the get_table_definition tool do? +

Get the full CREATE TABLE definition for a table. It is categorised as a Read tool in the SQL Server MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_table_definition? +

Register the SQL Server MCP server in PolicyLayer and add a rule for get_table_definition: 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 SQL Server MCP. Nothing to install.

What risk level is get_table_definition? +

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

Can I rate-limit get_table_definition? +

Yes. Add a rate_limit block to the get_table_definition 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 get_table_definition completely? +

Set action: deny in the PolicyLayer policy for get_table_definition. 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 get_table_definition? +

get_table_definition is provided by the SQL Server MCP server (millelog/sql-server-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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