Our World in Data
live DataStatisticsOWID indicators — curated catalog of high-signal global datasets (energy, climate, health, demographics, economy). No auth.
3 tools
0ms auth
free tier 50 calls/day
Tools
list_popular_indicators List curated OWID indicators (slug + title) grouped by category.
Parameters
Name Type Description
category opt string Optional category filter Try it
Response
fetch_indicator
required: slug Fetch tidy long-format data for an OWID indicator by slug. Returns {entity, year, value} rows.
Parameters
Name Type Description
slug req string OWID chart slug country opt string Filter to a single entity since_year opt number Drop rows before this year until_year opt number Drop rows after this year limit opt number Cap rows (default 5000) Try it
Response
get_indicator_metadata
required: slug Fetch metadata for an OWID indicator: title, units, source, last updated.
Parameters
Name Type Description
slug req string OWID chart slug Try it
Response
Test with curl
The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.
List available tools
bash
curl -X POST https://gateway.pipeworx.io/owid/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' Call a tool
bash
curl -X POST https://gateway.pipeworx.io/owid/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"list_popular_indicators","arguments":{}}}' Use with the SDK
Install @pipeworx/sdk to call tools from any TypeScript/Node project.
TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("list_popular_indicators", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("owid indicators — curated catalog of high-signal global datasets (energy, climate, health, demographics, economy)");