根据关键词搜索数据库表
AI agents call search_tables to retrieve information from SP 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 searches for and returns information about database tables based on keyword criteria. It is a read-only operation that queries schema metadata with no side effects, no data modification, and no destructive actions. Consistent with sibling tools like 'list_all_tables' and 'get_table_info' which are also data retrieval functions.
From the tool's definition Tool name 'search_tables' and description '根据关键词搜索数据库表' (search database tables by keywords) indicate a query/search operation that retrieves metadata without modifying data.
Attacks that exploit this kind of access
根据关键词搜索数据库表. It is categorised as a Read tool in the SP Database MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SP Database MCP Server MCP server in PolicyLayer and add a rule for search_tables: 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 SP Database MCP Server. Nothing to install.
search_tables 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 search_tables 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 search_tables. 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.
search_tables is provided by the SP Database MCP Server MCP server (jjvvv/sp-enterprise-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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