finance.central-bank-rates
Current policy/benchmark rates across major central banks (US Fed, ECB, BoJ, BoE) in one normalized call, via FRED.
This record as markdown: /tools/io-github-2s-io-mcp/finance.central-bank-rates.md
What finance.central-bank-rates does on Mcp
AI agents call finance.central-bank-rates to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why finance.central-bank-rates is rated Low
This tool fetches public financial data (central bank interest rates) from FRED, a read-only data source. It has no side effects—it does not move money, execute trades, modify data, or trigger external state changes. The output is informational only. Even though the server context involves payments, this specific tool only queries historical/current rate information, which is a standard Read operation.
From the tool's definition Tool name 'finance.central-bank-rates' and description indicate it 'retrieves...Current policy/benchmark rates across major central banks...via FRED'. The verb is 'get' (implicit in retrieving rates). No modification, deletion, or financial transaction occurs.
Attacks that exploit this kind of access
The rule that runs finance.central-bank-rates safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For finance.central-bank-rates, this is the rule to start with:
finance.central-bank-rates 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 Mcp, apply this rule, and every finance.central-bank-rates call is checked against it from then on.
Questions about finance.central-bank-rates
Current policy/benchmark rates across major central banks (US Fed, ECB, BoJ, BoE) in one normalized call, via FRED. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for finance.central-bank-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 Mcp. Nothing to install.
finance.central-bank-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 finance.central-bank-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 finance.central-bank-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.
finance.central-bank-rates is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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