get_fx_rates_ecb
Return daily European Central Bank reference exchange rates and bounded cross-rates. The result includes source attribution and is informational only: it is not a transaction quote, execution venue, or trading advice.
This record as markdown: /tools/io-github-davidmosiah-delx-mcp-a2a/get-fx-rates-ecb.md
What get_fx_rates_ecb does on Delx Mcp A2a
AI agents call get_fx_rates_ecb to retrieve information from Delx Mcp A2a 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 | Description |
|---|---|---|---|
date | string | — | Optional ECB publication date, today or up to 31 days in the past. |
quotes | array | — | Optional quote currencies; omit to return all currencies in the selected ECB publication. |
timeout | integer | — | |
base_currency | string | — | Three-letter ISO currency code used as the base. |
Parameters from the server's own tool schema.
Why get_fx_rates_ecb is rated Low
This tool retrieves and queries publicly available financial reference data (ECB exchange rates). It has no capability to modify data, execute transactions, or commit financial obligations. The explicit disclaimer that it is not a transaction quote or trading advice further confirms it is purely informational.
From the tool's definition Tool returns 'daily European Central Bank reference exchange rates and cross-rates' with explicit statement that result 'is informational only: it is not a transaction quote, execution venue, or trading advice.' The verb 'return' and 'get' indicate data…
Attacks that exploit this kind of access
The rule that runs get_fx_rates_ecb safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Mcp A2a, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_fx_rates_ecb, this is the rule to start with:
get_fx_rates_ecb is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Delx Mcp A2a, apply this rule, and every get_fx_rates_ecb call is checked against it from then on.
Questions about get_fx_rates_ecb
Return daily European Central Bank reference exchange rates and bounded cross-rates. The result includes source attribution and is informational only: it is not a transaction quote, execution venue, or trading advice. It is categorised as a Read tool in the Delx Mcp A2a MCP Server, which means it retrieves data without modifying state.
get_fx_rates_ecb accepts 4 parameters: date, quotes, timeout, base_currency. The full parameter table on this page comes from the server's own tool schema.
Register the Delx Mcp A2a MCP server in PolicyLayer and add a rule for get_fx_rates_ecb: 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 Delx Mcp A2a. Nothing to install.
get_fx_rates_ecb 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_fx_rates_ecb 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_fx_rates_ecb. 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_fx_rates_ecb is provided by the Delx Mcp A2a MCP server (https://api.delx.ai/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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