AI agents call wise_exchange_rates 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 |
|---|---|---|---|
source | string | — | |
target | string | — | |
api_key | string | — |
Parameters from the server's own tool schema.
This tool queries exchange rate data from Wise and returns it without any side effects. It does not execute code, modify financial transactions, transfer money, or alter any state. It is a simple read operation that retrieves publicly available pricing information.
From the tool's definition The tool 'wise_exchange_rates' with description 'Get exchange rates from Wise' performs a retrieval operation. The verb 'Get' indicates data fetching with no modification, creation, or deletion of data.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
Get exchange rates from Wise. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
wise_exchange_rates accepts 3 parameters: source, target, api_key. 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 wise_exchange_rates: 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.
wise_exchange_rates 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 wise_exchange_rates 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 wise_exchange_rates. 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.
wise_exchange_rates 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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