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Who Gho MCP Server

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Who Gho MCP Server is answering right now. Last checked 10 min ago. 90 installs a week from npm. It exposes 6 tools. Last commit 25 Aug 2026.

WHO Global Health Observatory — 3,059 indicators across 194 member states.

Installs per day peak 716 · avg 51 · +142% w/w
a month agotoday
Uptime history 48 days of history · worst day 0%
48 days agonow
100.0%
Uptime 24h
91 of 91 checks
6
Tools
read from the server
357 ms
Response time
average over 24h
90
Installs / week
npm and PyPI

What changed 21

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 18 August 2026. No other catalogue keeps this.

25 Aug 6 tools changed the parameters they ask for who_get_indicator_metadata, who_list_dimensions, who_list_dimension_values and 3 more
25 Aug a tool changed version
18 Aug a tool changed version6 times that day
18 Aug 4 tool descriptions were rewritten who_get_indicator_metadata, who_list_dimension_values, who_query_indicator_data and 1 more
18 Aug 3 tools changed the parameters they ask for4 times that day who_list_dimension_values, who_query_indicator_data, who_search_indicators
and 6 more, back to 18 August 2026

Nothing serious here today

Today is the operative word: we check Who Gho MCP Server every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

run in your terminal
claude mcp add who-gho-mcp-server --transport http https://who-gho.caseyjhand.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "who-gho-mcp-server": {
      "url": "https://who-gho.caseyjhand.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.who-gho-mcp-server]
url = "https://who-gho.caseyjhand.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "who-gho-mcp-server": {
      "url": "https://who-gho.caseyjhand.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "who-gho-mcp-server": {
      "url": "https://who-gho.caseyjhand.com/mcp"
    }
  }
}

This one needs environment variables set before it will start: MCP_HTTP_HOST (The hostname for the HTTP server.), MCP_HTTP_PORT (The port to run the HTTP server on.), MCP_HTTP_ENDPOINT_PATH (The endpoint path for the MCP server.), MCP_AUTH_MODE (Authentication mode to use: 'none', 'jwt', or 'oauth'.), MCP_LOG_LEVEL (Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').). The author declared them in the registry entry; get the values from the project itself.

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

who
who_get_indicator_metadata
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.
who_list_dimension_values
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.
who_list_dimensions
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.
who_list_indicators
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.
who_query_indicator_data
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.
who_search_indicators
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.

Endpoints

URLTransportStateLatencyChecked
https://who-gho.caseyjhand.com/mcp streamable-http answering 389 ms 10 min ago

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Who Gho MCP Server — questions

Answers built from our own checks of this server.

What can Who Gho MCP Server do?
It exposes 6 tools, read directly from the server on our last check. Among them: who_get_indicator_metadata, who_list_dimensions, who_list_dimension_values, who_list_indicators, who_query_indicator_data, who_search_indicators. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Who Gho MCP Server working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 357 ms. The bar chart above shows every period we have measured.
How do I connect Who Gho MCP Server?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Who Gho MCP Server need an API key?
No. Who Gho MCP Server completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Who Gho MCP Server?
It answers our handshake in 357 ms on average, which is faster than 44% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Who Gho MCP Server?
The npm package @cyanheads/who-gho-mcp-server was installed 90 times in the last week. Week over week that is +142%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Who Gho MCP Server open source?
Yes — it is published under the Apache-2.0 licence, written in TypeScript, 2 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.