db_list_indexes · Database MCP Server MCP: Risk & Policy

WHAT IT DOES

What db_list_indexes does on Database MCP Server

AI agents call db_list_indexes to retrieve information from Database MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why db_list_indexes needs a policy

This tool queries and returns information about database indexes without modifying any data or executing code with side effects. It is a straightforward read operation with minimal security impact.

From the tool's definition Tool name 'db_list_indexes' and description 'List indexes' indicate a retrieval operation with no data modification.

Attacks that exploit this kind of access

Questions about db_list_indexes

What does the db_list_indexes tool do? +

List indexes. It is categorised as a Read tool in the Database MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on db_list_indexes? +

Register the Database MCP Server MCP server in PolicyLayer and add a rule for db_list_indexes: 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 Database MCP Server. Nothing to install.

What risk level is db_list_indexes? +

db_list_indexes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit db_list_indexes? +

Yes. Add a rate_limit block to the db_list_indexes 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 db_list_indexes completely? +

Set action: deny in the PolicyLayer policy for db_list_indexes. 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 db_list_indexes? +

db_list_indexes is provided by the Database MCP Server MCP server (roilanrodriguez55/database-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.