列出当前账号可访问的非系统库。
AI agents call list_databases to retrieve information from Yooztech Mcp Mysql without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about available databases without modifying, executing code, or causing any side effects. It is a pure query/listing operation that returns information about the database structure accessible to the current account. The low severity reflects minimal blast radius—exposing database names poses limited risk compared to data extraction or destructive operations.
From the tool's definition Tool name 'list_databases' and description stating it lists accessible non-system databases. The server is explicitly described as providing 'secure read-only access' with sibling tools (get_table_schema, infer_database, list_tables, select_rows) that are all…
Attacks that exploit this kind of access
列出当前账号可访问的非系统库。. It is categorised as a Read tool in the Yooztech Mcp Mysql MCP Server, which means it retrieves data without modifying state.
Register the Yooztech Mcp Mysql MCP server in PolicyLayer and add a rule for list_databases: 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 Yooztech Mcp Mysql. Nothing to install.
list_databases 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_databases 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_databases. 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_databases is provided by the Yooztech Mcp Mysql MCP server (yooztech/mcp_mysql). 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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