This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/get-table-schema.md
What get_table_schema does on Pypi:best Cad
AI agents call get_table_schema to retrieve information from Pypi:best Cad without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_table_schema is rated Low
This tool retrieves structural information about database tables (column names, types, constraints). It is a read-only query operation with no side effects—it does not create, modify, delete, or execute arbitrary code. The low severity reflects minimal risk even if misused by an AI agent, as it only exposes schema information without accessing data values or enabling destructive operations.
From the tool's definition Tool name 'get_table_schema' and description '获取指定数据库表的列结构(列名、类型、约束)' (get columns structure, types, constraints of a specified database table) indicate a query operation that retrieves schema metadata without modification.
Attacks that exploit this kind of access
The rule that runs get_table_schema safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Pypi:best Cad, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_table_schema, this is the rule to start with:
get_table_schema is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Pypi:best Cad, apply this rule, and every get_table_schema call is checked against it from then on.
Questions about get_table_schema
获取指定数据库表的列结构(列名、类型、约束)。. It is categorised as a Read tool in the Pypi:best Cad MCP Server, which means it retrieves data without modifying state.
Register the Pypi:best Cad MCP server in PolicyLayer and add a rule for get_table_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 Pypi:best Cad. Nothing to install.
get_table_schema 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 get_table_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.
Set action: deny in the PolicyLayer policy for get_table_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.
get_table_schema is provided by the Pypi:best Cad MCP server (pypi:best-cad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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