AI agents call retrieve_btc_usd_utils to retrieve information from Zbd without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches real-time cryptocurrency pricing information. It is a read-only operation that queries external data sources and returns information. There are no side effects, no data modifications, and no execution of code or commands. The low severity reflects that price data retrieval poses minimal security risk—it cannot be misused to cause harm even with arbitrary inputs.
From the tool's definition Tool name contains 'retrieve' and description states 'Get the latest price for Bitcoin in US Dollars' — a query operation that retrieves current market data without modification or side effects.
Attacks that exploit this kind of access
Get the latest price for Bitcoin in US Dollars. It is categorised as a Read tool in the Zbd MCP Server, which means it retrieves data without modifying state.
Register the Zbd MCP server in PolicyLayer and add a rule for retrieve_btc_usd_utils: 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 Zbd. Nothing to install.
retrieve_btc_usd_utils 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 retrieve_btc_usd_utils 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 retrieve_btc_usd_utils. 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.
retrieve_btc_usd_utils is provided by the Zbd MCP server (zebedeeio/zbd-payments-typescript-sdk). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
retrieve_btc_usd_utils is one line of Zbd'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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