AI agents call db_describe_table to retrieve information from LuzzyTool 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 SQLite database schema information—column definitions, indexes, primary keys, and CREATE TABLE statements. It performs no modifications, deletions, or side effects. It is purely informational metadata inspection, fitting the Read category.
From the tool's definition Tool name 'db_describe_table' and description '【数据库】查看 SQLite 表结构，包括列信息、索引、主键和建表 SQL' indicate retrieval of database metadata (table structure, columns, indexes, primary keys, and DDL statements).
Attacks that exploit this kind of access
【数据库】查看 SQLite 表结构，包括列信息、索引、主键和建表 SQL。. It is categorised as a Read tool in the LuzzyTool MCP Server, which means it retrieves data without modifying state.
Register the LuzzyTool MCP server in PolicyLayer and add a rule for db_describe_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 LuzzyTool. Nothing to install.
db_describe_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 db_describe_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 db_describe_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.
db_describe_table is provided by the LuzzyTool MCP server (luzzymeow/luzzytool). 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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