Show the indexes of a table.
AI agents call show_indexes_table to retrieve information from MySQL Managing MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays index information from a table, which is a read-only operation that queries database metadata. It has no side effects, does not execute arbitrary code, and does not modify data. The blast radius of misuse is minimal—an attacker could only discover structural information about the database that would likely be discoverable through other means like schema introspection.
From the tool's definition Tool name 'show_indexes_table' and description 'Show the indexes of a table' indicate retrieval of metadata about table indexes without modification or execution of arbitrary operations.
Attacks that exploit this kind of access
Show the indexes of a table. It is categorised as a Read tool in the MySQL Managing MCP MCP Server, which means it retrieves data without modifying state.
Register the MySQL Managing MCP server in PolicyLayer and add a rule for show_indexes_table: 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 Managing MCP. Nothing to install.
show_indexes_table 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 show_indexes_table 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 show_indexes_table. 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.
show_indexes_table is provided by the MySQL Managing MCP server (lclpedro/mcp-mysql). 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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