Get a list of all currencies supported by Splitwise. Returns ISO 4217 currency codes.
AI agents call splitwise_get_currencies to retrieve information from Splitwise 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 a read-only list of supported currencies—a static reference dataset. It has no side effects, does not create, modify, or delete data, and does not execute code or trigger external operations. This is a straightforward data retrieval operation with minimal blast radius if misused by an AI agent.
From the tool's definition Tool name and description indicate retrieval of static reference data: 'Get a list of all currencies supported by Splitwise. Returns ISO 4217 currency codes.' No parameters that would allow manipulation or execution.
Attacks that exploit this kind of access
Get a list of all currencies supported by Splitwise. Returns ISO 4217 currency codes. It is categorised as a Read tool in the Splitwise MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Splitwise MCP Server MCP server in PolicyLayer and add a rule for splitwise_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 Splitwise MCP Server. Nothing to install.
splitwise_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 splitwise_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 splitwise_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.
splitwise_get_currencies is provided by the Splitwise MCP Server MCP server (svarun115/splitwise-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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