AI agents call strato.protocol-fees to retrieve information from Griphook without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial metadata (protocol fee summaries and revenue data) but does not move money, execute code, or modify state. It is a read-only query operation. Severity is low because misuse would only expose existing data, not cause financial loss or irreversible changes.
From the tool's definition Tool name 'strato.protocol-fees' and description 'Fetch aggregated or per-protocol revenue summaries' indicate data retrieval only.
Attacks that exploit this kind of access
Fetch aggregated or per-protocol revenue summaries. It is categorised as a Read tool in the Griphook MCP Server, which means it retrieves data without modifying state.
Register the Griphook MCP server in PolicyLayer and add a rule for strato.protocol-fees: 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 Griphook. Nothing to install.
strato.protocol-fees 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 strato.protocol-fees 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 strato.protocol-fees. 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.
strato.protocol-fees is provided by the Griphook MCP server (strato-net/strato-griphook). 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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