Query WHO Global Health Observatory data — 3,059 indicators across 194 member states with country, region, year, and sex filters via MCP. STDIO or Streamable HTTP.
claude mcp add --transport http who-gho-mcp-server https://who-gho.caseyjhand.com/mcpcodex mcp add who-gho-mcp-server --url https://who-gho.caseyjhand.com/mcp{
"mcpServers": {
"who-gho-mcp-server": {
"url": "https://who-gho.caseyjhand.com/mcp"
}
}
}gemini mcp add --transport http who-gho-mcp-server https://who-gho.caseyjhand.com/mcp{
"mcpServers": {
"who-gho-mcp-server": {
"command": "bunx",
"args": [
"mcp-remote",
"https://who-gho.caseyjhand.com/mcp"
]
}
}
}{
"mcpServers": {
"who-gho-mcp-server": {
"type": "http",
"url": "https://who-gho.caseyjhand.com/mcp"
}
}
}curl -X POST https://who-gho.caseyjhand.com/mcp \
-H "Content-Type: application/json" \
-H "MCP-Protocol-Version: 2026-07-28" \
-d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2026-07-28","capabilities":{},"clientInfo":{"name":"curl","version":"1.0.0"}}}'List all dimension type codes and human-readable titles available in the WHO Global Health Observatory API. Use this to discover valid dimension codes before calling who_list_dimension_values. Common dimensions include COUNTRY, REGION, SEX, WORLDBANKINCOMEGROUP, and AGEGROUP, but many additional types exist — this tool exposes them all.
List valid codes and labels for a WHO GHO dimension type such as COUNTRY, REGION, SEX, WORLDBANKINCOMEGROUP, or AGEGROUP. Use this to discover valid filter values before calling who_query_indicator_data, or to confirm the correct ISO code for a country. Use who_list_dimensions to discover all available dimension type codes. Results are paged in a deterministic order — narrow hierarchical dimensions with parent_code (e.g. the countries in one WHO region), and page the rest with offset.
Search the WHO Global Health Observatory indicator catalog by keyword in the indicator name. Returns indicator codes and names for use with who_query_indicator_data. The search uses a substring match on indicator names — try terms like "life expectancy", "immunization", "mortality", "diabetes", or "HIV". If results are truncated, refine the query or page further into the same filtered result set with offset.
Browse the WHO Global Health Observatory indicator catalog with pagination. Use when you want to explore indicators without a keyword, or to page through the full catalog. Use who_search_indicators when you have a keyword to narrow the results.
Fetch metadata for one or more WHO GHO indicator codes: the full indicator name and the dimensions it supports (e.g. COUNTRY, REGION, SEX, YEAR, WORLDBANKINCOMEGROUP, AGEGROUP). Call this before querying data with who_query_indicator_data to confirm which filter dimensions are valid for a given indicator. Accepts up to 10 codes per call. Many valid indicators have no dimension listing upstream — those return an empty dimensions array with a dimensionsNote, not a not-found. Only codes absent from the catalog are reported in the notFound array, and that is reported rather than raised as an error.
Query data rows for a single WHO GHO indicator with optional spatial, temporal, and dimension filters. Returns rows with numeric values, uncertainty intervals (Low/High), and spatial/time metadata. This is the primary data-fetching tool in the find-then-query workflow: use who_search_indicators to find the indicator code, optionally call who_get_indicator_metadata to confirm which filter dimensions are valid, then call this tool. Spatial filters are mutually exclusive per call: provide only one of country_codes, region_codes, or income_group_codes — mixing them triggers an error. Omitting all spatial filters returns all geographies (may be large; use limit to cap). The sex filter only applies when the indicator uses SEX as its first cross-cutting dimension — if not, the filter returns empty rows; check who_get_indicator_metadata first if uncertain. Rows are returned in a deterministic order (most recent first by default), so a capped result is the top of a defined slice rather than an arbitrary sample; page through the rest with offset.
No tools match the current filter.
Metadata for a single WHO GHO indicator: full name and the dimension types it supports for filtering. Dimensions come back empty with a dimensionsNote when the GHO dimension table lists none for the code — that is a gap upstream, not a missing indicator. Stable and suitable as injectable context before calling who_query_indicator_data.
One page of valid values for a WHO GHO dimension type, in a deterministic order. Useful as injectable context when building queries with who_query_indicator_data. Use who_list_dimensions to discover valid dimension type codes. Returns the first 100 values; read totalCount and nextOffset to reach the rest.
One page of valid values for a WHO GHO dimension type, in a deterministic order. Useful as injectable context when building queries with who_query_indicator_data. Use who_list_dimensions to discover valid dimension type codes. Both limit and offset must be present in the URI.
One page of valid values for a WHO GHO dimension type, in a deterministic order. Useful as injectable context when building queries with who_query_indicator_data. Use who_list_dimensions to discover valid dimension type codes. Narrowed to one parent code; limit, offset, and parentCode must all be present in the URI. A filter that matches nothing returns an empty page, not an error.