List all indexes for a specific table
AI agents call 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.
This tool performs schema introspection to enumerate database indexes on a table. It is a read-only operation with no side effects, similar to sibling tools like list_columns, list_constraints, and describe_table. The blast radius of misuse is minimal—an agent could only learn about database structure, not modify data or execute arbitrary queries.
From the tool's definition Tool name 'list_indexes' and description 'List all indexes for a specific table' indicate a query operation that retrieves schema metadata without modifying or executing code.
Attacks that exploit this kind of access
List all indexes for a specific table. It is categorised as a Read tool in the Database MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Database MCP Server MCP server in PolicyLayer and add a rule for 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.
list_indexes 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 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.
Set action: deny in the PolicyLayer policy for 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.
list_indexes is provided by the Database MCP Server MCP server (zeaozhang/database-mcp). 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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