Execute SELECT SQL in Tsurugi RDBMS.
AI agents call query to retrieve information from Tsurugi Python Mcp Tools without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
SELECT statements are read-only operations that query and retrieve data from the database without side effects. No data is created, modified, deleted, or destroyed. While the sibling tool executeDdl could be destructive and update could be write operations, this specific tool is explicitly limited to SELECT queries, which are inherently safe read operations.
From the tool's definition Tool name 'query' with description 'Execute SELECT SQL in Tsurugi RDBMS.' — SELECT queries retrieve data without modification or deletion.
Attacks that exploit this kind of access
Execute SELECT SQL in Tsurugi RDBMS. It is categorised as a Read tool in the Tsurugi Python Mcp Tools MCP Server, which means it retrieves data without modifying state.
Register the Tsurugi Python Mcp Tools MCP server in PolicyLayer and add a rule for query: 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 Tsurugi Python Mcp Tools. Nothing to install.
query 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 query 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 query. 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.
query is provided by the Tsurugi Python Mcp Tools MCP server (septigram/tsurugi-python-mcp-tools). 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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