inspect_schema

Inspect tables, columns, and indexes for the current or specified database.

Server MCP Server MySQL nilsir/mcp-server-mysql
Category Read
Risk class Low
Parameters 00 required

What inspect_schema does on MCP Server MySQL

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

Why inspect_schema needs a policy

This tool retrieves and displays schema information (tables, columns, indexes) from a database. It performs no modifications, deletions, or code execution—purely informational inspection. The action is read-only with no side effects, making it a Read category risk with low severity.

From the tool's definition Tool name 'inspect_schema' and description 'Inspect tables, columns, and indexes' indicate query/retrieval of database metadata with no modification capability.

Questions about inspect_schema

What does the inspect_schema tool do? +

Inspect tables, columns, and indexes for the current or specified database. It is categorised as a Read tool in the MCP Server MySQL MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on inspect_schema? +

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

What risk level is inspect_schema? +

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

Can I rate-limit inspect_schema? +

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

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

inspect_schema is provided by the MCP Server MySQL MCP server (nilsir/mcp-server-mysql). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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