Japan Statistics (e-Stat) MCP Server

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A pay-per-call MCP server giving AI agents structured access to Japan's official government statistics. Query labor force data, consumer prices, and population estimates with sub-second latency, LLM-optimized JSON responses, and full source attribution.

What's available (v1)

Three high-demand domains, five typed tools:

• search_indicator — find statistical indicators by keyword (English or Japanese)
• get_timeseries — fetch period-by-period values for an indicator
• list_categories — show available domains
• get_metadata — collection methodology, definitions, methodology notes
• compare_periods — absolute and percentage change between two periods

Roadmap Q3 2026: 6+ domains including National Accounts, Trade Statistics, Industrial Production.

Why use this Actor

• Sub-300ms warm latency, p50 200ms (KV-cached at the upstream layer)
• LLM-friendly: schema designed for agent consumption, not human dashboards
• Source-of-truth: every datapoint carries the e-Stat publication metadata and citation URL
• No equivalent currently exists in English-language MCP marketplaces

Data is sourced directly from the Statistics Bureau of Japan, e-Stat. This Actor proxies a hosted MCP server with full source attribution per e-Stat open-data terms.

Pricing

Pay Per Event: $0.012 per tool call. initialize, tools/list, and notifications are free. Only tools/call invocations are billed.

How to connect

Once the Actor is running in Standby mode, connect any MCP-capable client to:

https://aulvem--estat-mcp-apify.apify.actor/mcp

with Authorization: Bearer <YOUR_APIFY_API_TOKEN> to authorize Apify-side billing.

Example: Claude Desktop config

{
"mcpServers":{
"estat":{
"command":"npx",
"args":[
"mcp-remote",
"https://aulvem--estat-mcp-apify.apify.actor/mcp",
"--header",
"Authorization: Bearer ${APIFY_API_TOKEN}"
],
"env":{"APIFY_API_TOKEN":"<YOUR_APIFY_API_TOKEN>"}
}
}
}

Output

Tool responses are JSON. Example for get_timeseries:

{
"indicator":"Unemployment rate (seasonally adjusted)",
"unit":"percent",
"frequency":"monthly",
"values":[
{"period":"2025-01","value":2.5},
{"period":"2025-02","value":2.4}
],
"source":{
"publisher":"Statistics Bureau of Japan",
"dataset":"Labour Force Survey",
"url":"https://www.e-stat.go.jp/..."
}
}

FAQ

Is it legal? Yes. e-Stat data is published under open-data terms. This server attaches source attribution to every response.

Affiliation? Unofficial. Not affiliated with the Statistics Bureau of Japan or Anthropic.

Support / feedback? Open an issue on the Actor's Issues tab.