mysql_grant_privileges
A write tool on the Mysql MCP server.
This record as markdown: /tools/mukul975-mysql-mcp-server/mysql-grant-privileges.md
What mysql_grant_privileges does on Mysql
AI agents use mysql_grant_privileges to create or update resources in Mysql, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mysql environment.
Why mysql_grant_privileges is rated Medium
Granting privileges to database users is a Write operation that modifies the security configuration of the MySQL server. It doesn't delete data, but it can have significant security implications by expanding access rights. The description is empty, which lowers confidence, but the name clearly implies modifying user permissions via GRANT statements.
From the tool's definition Tool name: 'mysql_grant_privileges' — granting privileges modifies database access control.
Attacks that exploit this kind of access
The rule that runs mysql_grant_privileges 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_grant_privileges, this is the rule to start with:
mysql_grant_privileges stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mysql, apply this rule, and every mysql_grant_privileges call is checked against it from then on.
Questions about mysql_grant_privileges
mysql_grant_privileges is a write tool on the Mysql MCP server. It is categorised as a Write tool in the Mysql MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mysql MCP server in PolicyLayer and add a rule for mysql_grant_privileges: 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_grant_privileges is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the mysql_grant_privileges 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_grant_privileges. 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_grant_privileges 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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