Gets the schema and parameters of a specific stored procedure
AI agents call get_procedure_schema to retrieve information from SQL Server MCP Service 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 schema information (structure, parameters) of a stored procedure. It is purely informational with no side effects, reversible operations, or code execution. It belongs in the Read category, with low severity since exposure of schema metadata has minimal blast radius compared to actual query execution or destructive operations.
From the tool's definition Tool name and description: 'Gets the schema and parameters of a specific stored procedure' — retrieves metadata about a procedure without executing it or modifying data.
Attacks that exploit this kind of access
Gets the schema and parameters of a specific stored procedure. It is categorised as a Read tool in the SQL Server MCP Service MCP Server, which means it retrieves data without modifying state.
Register the SQL Server MCP Service MCP server in PolicyLayer and add a rule for get_procedure_schema: 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 Service. Nothing to install.
get_procedure_schema 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_procedure_schema 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_procedure_schema. 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_procedure_schema is provided by the SQL Server MCP Service MCP server (vini-cius/mcp-sqlserver). 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.
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