Connect World Bank to Claude Code
Query World Bank directly from Claude Code. Arlet links the two through one MCP connection and takes care of API keys.
Connects your AI client to the World Bank's public APIs - all four families in one server, no API key.
Numeric data (Open Data API v2):
- search_wb_indicators: keyword search over ~29,500 indicators.
- get_wb_indicator_data: values by ISO country codes and year range.
- list_wb_countries: country/aggregate codes with region and income level.
Documents (Documents & Reports API):
- search_wb_reports: full-archive search over 270,000+ publications; omit query for newest first.
- fetch_wb_report_content: report body as plain text (CC BY 3.0 IGO, windowed by offset for long documents).
Operations (Projects API):
- search_wb_projects: lending projects by keyword, country and status.
Poverty (PIP API):
- get_wb_poverty_stats: official poverty/inequality series per country (headcount at a poverty line, Gini, mean/median).
Each response carries the source and, for documents, license (CC BY 3.0 IGO) and attribution.
How to connect World Bank to Claude Code
- 1
In the Arlet dashboard, open Data tools, find World Bank and switch it on. No API key setup is needed.
- 2
In your terminal, run claude mcp add --transport http arlet https://mcp.arlet.dev/mcp/ to add Arlet as an MCP server.
- 3
Start Claude Code, run /mcp, select arlet and click Authenticate.
- 4
Your browser opens. Sign in with Google and click Allow on the consent screen. The connection is complete.
The connection is per user and works across every project on the same machine.