High-risk tools in MSSQL MCP Server
4 of the 14 tools in MSSQL MCP Server are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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begin_transactionExecuteStart a new database transaction. Returns a transaction ID to use for subsequent operations.
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deploy_spExecuteDeploy a tested draft to production. This backs up the current version automatically and can be rolled back.
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execute_query_writeExecuteExecute a write query (INSERT, UPDATE, DELETE) against the database. Can be part of a transaction or auto-committed. Validates query safety before execution.
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test_sp_draftExecuteTest a draft stored procedure with specified parameters. Execute the draft version safely before deploying.
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.