write_sql

执行写入 SQL(INSERT/UPDATE/DELETE/DDL)。

Server MCP Database Manager meimingqi222/mcp-database-manager
Category Destructive
Risk class Critical
Parameters 00 required

What write_sql does on MCP Database Manager

AI agents call write_sql to permanently remove resources in MCP Database Manager — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Why write_sql needs a policy

This tool executes arbitrary write SQL including DELETE and DDL statements, which can irreversibly destroy or alter schema and data across multiple databases. DDL operations like DROP TABLE or TRUNCATE are irreversible, placing this in the Destructive category. The blast radius is critical given multi-database access scope.

From the tool's definition 执行写入 SQL(INSERT/UPDATE/DELETE/DDL)— explicitly includes DELETE and DDL (DROP, ALTER, TRUNCATE) operations

Questions about write_sql

What does the write_sql tool do? +

执行写入 SQL(INSERT/UPDATE/DELETE/DDL)。. It is categorised as a Destructive tool in the MCP Database Manager MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on write_sql? +

Register the MCP Database Manager MCP server in PolicyLayer and add a rule for write_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 MCP Database Manager. Nothing to install.

What risk level is write_sql? +

write_sql is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit write_sql? +

Yes. Add a rate_limit block to the write_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.

How do I block write_sql completely? +

Set action: deny in the PolicyLayer policy for write_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.

What MCP server provides write_sql? +

write_sql is provided by the MCP Database Manager MCP server (meimingqi222/mcp-database-manager). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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