# bls.macro.unemployment

Get U.S. national labor market data from the BLS Current Population Survey. Measures: "rate" = Unemployment Rate % (U-3, official), "participation" = Labor Force Participation Rate %, "employment_ratio" = Employment-Population Ratio %, "long_term" = Long-term Unemployed (27+ weeks, in thousands). Returns monthly data series with latest value and full history up to 10 years. Data goes back to 1948 for the unemployment rate. Use for macroeconomic research, labor market trend analysis, and policy evaluation.

Agent View of the PolicyLayer registry record for `bls.macro.unemployment`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/bls.macro.unemployment

## Facts

- Tool: `bls.macro.unemployment`
- 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: 3
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `measure` | string | no | Labor market measure: "rate" = Unemployment Rate % (default), "participation" = Labor Force Participation Rate %, "employment_ratio" = Employment-Population Rat |
| `end_year` | integer | no | Last year of data (default: current year). |
| `start_year` | integer | no | First year of data (default: current year - 4). |

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": "bls.macro.unemployment",
    "arguments": {}
  }
}
```

## Why bls.macro.unemployment is rated Low

Tool retrieves historical macroeconomic unemployment data with no write, execute, or destructive capabilities.

From the tool's own definition: "Get U.S. national labor market data from the BLS Current Population Survey"

## Use case

AI agents call bls.macro.unemployment 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": {
    "bls.macro.unemployment": {}
  }
}
```

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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