# oecd.economy.gdp

Fetch annual GDP and national accounts data for any OECD member country. Returns GDP at current USD exchange rates, gross operating surplus, compensation of employees, and other national accounts aggregates from the OECD National Accounts Main Aggregates database (NAMAIN10). Covers 38 OECD countries from the 1970s to the latest year. Data is sourced from official national statistics offices and harmonised to SNA 2008 standards. Each series includes the exact transaction code (e.g. B1GQ = GDP at market prices), sector, unit of measure (USD millions at exchange rates), and price base. Source: OECD SDMX API, CC BY 4.0, no auth required, unlimited.

Agent View of the PolicyLayer registry record for `oecd.economy.gdp`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/oecd.economy.gdp

## Facts

- Tool: `oecd.economy.gdp`
- 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 3-letter OECD country code (e.g. USA, GBR, DEU, FRA, JPN, CAN, AUS, KOR, ITA, ESP). See OECD reference area codes for the full list of 38 member countries. |
| `end_period` | string | no | End year for annual GDP data (e.g. "2024"). Defaults to latest available. |
| `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 sector, measure, or adjustment type. |
| `start_period` | string | no | Start year for annual GDP data (e.g. "2018"). Defaults to 5 years prior. |

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": "oecd.economy.gdp",
    "arguments": {
      "country": "<country>"
    }
  }
}
```

## Why oecd.economy.gdp is rated Low

Tool retrieves historical economic data from public OECD databases with no side effects or modifications.

From the tool's own definition: "Fetch annual GDP and national accounts data. Returns GDP, gross operating surplus, compensation of employees."

## Use case

AI agents call oecd.economy.gdp 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": {
    "oecd.economy.gdp": {}
  }
}
```

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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