List supported fiat currencies for price display
AI agents call get_currencies to retrieve information from CSPR[dot]trade MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists static configuration data (supported fiat currencies) for display purposes only. It has no capability to modify data, execute commands, delete records, or move funds. The blast radius of misuse is negligible — an agent could at worst retrieve an inconsequential list of currency codes. This is a straightforward Read operation.
From the tool's definition Tool name is 'get_currencies' and description states it 'List supported fiat currencies for price display' — a pure retrieval operation with no data modification or side effects.
Attacks that exploit this kind of access
List supported fiat currencies for price display. It is categorised as a Read tool in the CSPR[dot]trade MCP MCP Server, which means it retrieves data without modifying state.
Register the CSPR[dot]trade MCP server in PolicyLayer and add a rule for get_currencies: 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 CSPR[dot]trade MCP. Nothing to install.
get_currencies 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 get_currencies 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 get_currencies. 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.
get_currencies is provided by the CSPR[dot]trade MCP server (make-software/cspr-trade-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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