Refresh flow and safety data for a city (called from UI).
AI agents call refresh_flow to retrieve information from Aareguru MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries river safety data without side effects. Refreshing data means fetching the latest state from an authoritative source (BAFU thresholds), not creating, modifying, deleting, or executing arbitrary operations. The blast radius of misuse is minimal—an AI could at worst make excessive requests, but the data itself is read-only and informational for swimming safety.
From the tool's definition Tool is described as refreshing/fetching flow and safety data for a city. The verb 'refresh' indicates retrieving updated data from the server rather than modifying or deleting it.
Attacks that exploit this kind of access
Refresh flow and safety data for a city (called from UI). It is categorised as a Read tool in the Aareguru MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Aareguru MCP Server MCP server in PolicyLayer and add a rule for refresh_flow: 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 Aareguru MCP Server. Nothing to install.
refresh_flow 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 refresh_flow 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 refresh_flow. 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.
refresh_flow is provided by the Aareguru MCP Server MCP server (schlpbch/aareguru-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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