AI agents call grounded_query to retrieve information from Ruflo without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves search results from Google Search through Gemini's grounding capability. It is a read-only operation that queries external data without creating, modifying, deleting, or executing code. The primary function is data retrieval, which falls squarely into the Read category. Severity is low as misuse would only retrieve unwanted information rather than cause operational damage or data loss.
From the tool's definition Tool name 'grounded_query' with description stating it 'Query[s] Google Search via Gemini 2.5 Flash grounding' - performs information retrieval with no side effects on data or systems.
Attacks that exploit this kind of access
Query Google Search via Gemini 2.5 Flash grounding. It is categorised as a Read tool in the Ruflo MCP Server, which means it retrieves data without modifying state.
Register the Ruflo MCP server in PolicyLayer and add a rule for grounded_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 Ruflo. Nothing to install.
grounded_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 grounded_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 grounded_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.
grounded_query is provided by the Ruflo MCP server (ruvnet/ruflo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
grounded_query is one line of Ruflo's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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