# bis-stats.finance.policy_rates

Fetch central bank policy interest rates for a country from the Bank for International Settlements' monthly policy rate series (WS_CBPOL) — the interest rate that best captures a monetary authority's policy intentions (e.g. the US Federal Reserve's federal funds rate target, the ECB's main refinancing rate). Covers dozens of central banks worldwide. Returns one or more time series with period/value pairs.

Agent View of the PolicyLayer registry record for `bis-stats.finance.policy_rates`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/bis-stats.finance.policy-rates

## Facts

- Tool: `bis-stats.finance.policy_rates`
- Server: Apibase (`apibase-mcp-client`) — https://policylayer.com/tools/io-github-whiteknightonhorse-apibase.md
- Install: `npx -y apibase-mcp-client`
- Homepage: https://github.com/whiteknightonhorse/APIbase
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 4 (1 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `country` | string | yes | ISO 2-letter BIS reference-area code (e.g. US, XM for euro area, JP, GB, CN, DE, FR, BR, IN, CA, AU, CH). See the BIS reference area codelist for the full list |
| `end_period` | string | no | End of the requested time range, e.g. "2024-06" for monthly data or "2024-Q2" for quarterly data. Defaults to the latest available observation if omitted. |
| `max_series` | integer | no | Maximum number of time series to return (1–100, default 20). Each series is a unique combination of dimensions such as rate type or unit of measure. |
| `start_period` | string | no | Start of the requested time range, e.g. "2020-01" for monthly data or "2020-Q1" for quarterly data. Defaults to the last 24 observations if both start_period an |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "bis-stats.finance.policy_rates",
    "arguments": {
      "country": "<country>"
    }
  }
}
```

## Why bis-stats.finance.policy_rates is rated Low

Retrieves historical monetary policy data; no modifications, side effects, or financial transactions.

From the tool's own definition: "Fetch central bank policy interest rates, time series with period/value pairs"

## Use case

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

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Apibase:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "bis-stats.finance.policy_rates": {}
  }
}
```

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## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-whiteknightonhorse-apibase · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-whiteknightonhorse-apibase