AI agents call forex_latest to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
base | string | — | |
api_key | string | — | |
symbols | string | — |
Parameters from the server's own tool schema.
This tool retrieves current exchange rate data from an external service. It performs a read-only lookup with no capability to modify, delete, or execute code. While the data concerns financial markets, the tool itself does not move money, create financial obligations, or execute financial transactions. The blast radius of misuse is minimal—an agent could only retrieve publicly available exchange rate information.
From the tool's definition Tool name 'forex_latest' and description 'Get latest forex exchange rates' indicate a query/retrieval operation with no side effects.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
Get latest forex exchange rates from Open Exchange Rates. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
forex_latest accepts 3 parameters: base, api_key, symbols. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for forex_latest: 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 UnClick. Nothing to install.
forex_latest 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 forex_latest 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 forex_latest. 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.
forex_latest is provided by the UnClick MCP server (@unclick/mcp-server). 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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