This record as markdown: /tools/mukul975-mysql-mcp-server/mysql-drop-index.md
What mysql_drop_index does on Mysql
AI agents call mysql_drop_index to permanently remove resources in Mysql, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why mysql_drop_index is rated Critical
Dropping an index is an irreversible action that cannot be undone without recreating the index from scratch. While it does not delete data rows, it permanently removes database metadata and degrades query performance until the index is restored.
From the tool's definition Tool name 'mysql_drop_index' and description 'Drop an index from a table' directly indicate permanent removal of a database index. The verb 'drop' is a core destructive operation in SQL that irreversibly deletes database objects.
Attacks that exploit this kind of access
The rule that runs mysql_drop_index safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mysql, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mysql_drop_index, this is the rule to start with:
mysql_drop_index is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Mysql, apply this rule, and every mysql_drop_index call is checked against it from then on.
Questions about mysql_drop_index
Drop an index from a table. It is categorised as a Destructive tool in the Mysql MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mysql MCP server in PolicyLayer and add a rule for mysql_drop_index: 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 Mysql. Nothing to install.
mysql_drop_index is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the mysql_drop_index 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 mysql_drop_index. 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.
mysql_drop_index is provided by the Mysql MCP server (mukul975/mysql-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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