forex_rate

Get a forex exchange rate from Alpha Vantage.

SERVERUnClick SOURCEcreativelead/unclick

Low RISK CLASS

Category Read

Parameters 30 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/creativelead-unclick/forex-rate.md

WHAT IT DOES

What forex_rate does on UnClick

AI agents call forex_rate to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required
`api_key`	string	—
`to_currency`	string	—
`from_currency`	string	—

Parameters from the server's own tool schema.

RISK

Why forex_rate is rated Low

This tool only fetches/retrieves current forex exchange rate information. It has no capability to modify data, execute code, delete anything, or move money. The query is informational only, suitable for read operations. Severity is low because even if misused by an AI agent, retrieving exchange rates poses minimal security risk.

From the tool's definition Tool retrieves exchange rate data from Alpha Vantage API with 'Get a forex exchange rate' - a read-only query operation with no side effects on data.

Risk signalsHandles credentials or secrets (api_key)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs forex_rate safely

PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For forex_rate, this is the rule to start with:

forex_rate Allowed

forex_rate is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "forex_rate": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every forex_rate call is checked against it from then on.

FAQ

Questions about forex_rate

What does the forex_rate tool do? +

Get a forex exchange rate from Alpha Vantage. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.

What parameters does forex_rate accept? +

forex_rate accepts 3 parameters: api_key, to_currency, from_currency. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on forex_rate? +

Register the UnClick MCP server in PolicyLayer and add a rule for forex_rate: 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.

What risk level is forex_rate? +

forex_rate is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit forex_rate? +

Yes. Add a rate_limit block to the forex_rate 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.

How do I block forex_rate completely? +

Set action: deny in the PolicyLayer policy for forex_rate. 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.

What MCP server provides forex_rate? +

forex_rate is provided by the UnClick MCP server (creativelead/unclick). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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