# who.health.indicator_search

Search the WHO Global Health Observatory catalog of 3,000+ health indicators by keyword. Returns indicator codes, full names, and definitions for topics like immunization, life expectancy, mortality, tuberculosis, malaria, maternal health, NCDs, and SDG health metrics. Use the returned indicator_code with who.indicator_data to retrieve actual values. No auth — WHO CC BY-NC-SA 3.0 IGO, unlimited free.

Agent View of the PolicyLayer registry record for `who.health.indicator_search`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/who.health.indicator-search

## Facts

- Tool: `who.health.indicator_search`
- 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: 2
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | integer | no | Maximum number of indicators to return (1–100, default 20). |
| `keyword` | string | no | Keyword to search indicator names (e.g. "immunization", "mortality", "tuberculosis"). Omit to list all indicators. |

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": "who.health.indicator_search",
    "arguments": {}
  }
}
```

## Why who.health.indicator_search is rated Low

Retrieves publicly available WHO health indicator metadata without modifying data or executing operations.

From the tool's own definition: "Search...catalog...Returns indicator codes, names, definitions. No side effects."

## Use case

AI agents call who.health.indicator_search 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": {
    "who.health.indicator_search": {}
  }
}
```

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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