Validate a SQL statement and return a deterministic safety and risk analysis.
AI agents call validate_sql to retrieve information from MSSQL MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs validation and analysis of SQL statements—purely informational operations with no side effects. It does not execute SQL, modify data, delete records, or trigger external operations. The static analysis nature places it firmly in the Read category with low severity, as misuse would only return analysis results without affecting systems or data.
From the tool's definition Tool name 'validate_sql' and description 'Validate a SQL statement and return a deterministic safety and risk analysis' indicate static analysis of SQL syntax and risk assessment without executing queries or modifying data.
Attacks that exploit this kind of access
Validate a SQL statement and return a deterministic safety and risk analysis. It is categorised as a Read tool in the MSSQL MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MSSQL MCP Server MCP server in PolicyLayer and add a rule for validate_sql: 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 MSSQL MCP Server. Nothing to install.
validate_sql 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 validate_sql 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 validate_sql. 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.
validate_sql is provided by the MSSQL MCP Server MCP server (mortada7-11/mssql-mcpo-server). 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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