# adbkidb.data.query

Fetch annual macroeconomic time-series data from the ADB Key Indicators Database for any combination of Asian Development Bank member economies and SDMX indicators. Returns structured observations with values, units, data sources, and footnotes. Covers GDP, population, inflation, exchange rates, trade, energy, SDGs, and 700+ other indicators for 50 Asia-Pacific economies (China=PRC, India=IND, Japan=JPN, Indonesia=INO, etc.) from 1960s onward. Workflow: (1) adbkidb.dataflows_list to pick a topic, (2) adbkidb.indicators to find indicator codes, (3) this tool to fetch values. Example: dataflow=EO_NA, indicator_codes=[NGDP_XDC], economy_codes=[PRC,IND], start_year=2015 returns GDP at current prices for China and India from 2015 to present. Source: kidb.adb.org SDMX v3.0 API — ADB open data, no auth, 20 req/min.

Agent View of the PolicyLayer registry record for `adbkidb.data.query`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/adbkidb.data.query

## Facts

- Tool: `adbkidb.data.query`
- 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: 5 (3 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `dataflow` | string | yes | KIDB dataflow code (e.g. "EO_NA" for National Accounts, "PPL_POP" for Population, "MFP_XR" for Exchange Rates). Use adbkidb.dataflows_list to discover codes, th |
| `end_year` | integer | no | End year for the data range (e.g. 2024). Defaults to current year. Annual frequency only (A). |
| `start_year` | integer | no | Start year for the data range (e.g. 2010). Data availability varies by indicator; most series begin 1990–2000. Defaults to 2000. |
| `economy_codes` | array | yes | One or more ADB economy codes (e.g. ["PRC"] for China, ["IND"] for India, ["JPN"] for Japan, ["PRC","IND","INO"] for multiple). Use adbkidb.economies to list al |
| `indicator_codes` | array | yes | One or more indicator codes within the dataflow (e.g. ["NGDP_XDC"] for GDP at current prices in EO_NA, ["LP_PE_NUM_MOP"] for population in PPL_POP). Use adbkidb |

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": "adbkidb.data.query",
    "arguments": {
      "dataflow": "<dataflow>",
      "economy_codes": [],
      "indicator_codes": []
    }
  }
}
```

## Why adbkidb.data.query is rated Low

Tool retrieves public macroeconomic data with no side effects or modifications.

From the tool's own definition: "Fetch annual macroeconomic time-series data, Returns structured observations with values"

## Use case

AI agents call adbkidb.data.query 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": {
    "adbkidb.data.query": {}
  }
}
```

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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