Get list of available currencies and exchange rates for token prices
AI agents call get_currencies to retrieve information from Odos 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 publicly available currency and exchange rate information—a read-only operation with no side effects, no code execution, no data modification, and no financial transactions. It has minimal blast radius if misused by an AI agent, as it only returns informational data about available currencies and their exchange rates.
From the tool's definition Tool name 'get_currencies' and description 'Get list of available currencies and exchange rates for token prices' indicate a retrieval operation that queries and returns data without modifying state or executing transactions.
Attacks that exploit this kind of access
Get list of available currencies and exchange rates for token prices. It is categorised as a Read tool in the Odos MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Odos MCP Server 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 Odos MCP Server. 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 Odos MCP Server MCP server (odos-xyz/odos-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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