How do I get an e-Stat API key?

Register for a free account at e-stat.go.jp, then visit your My Page to generate an Application ID (appId). Approval is instant.

Is the data available in English?

Many tables support English translations for table titles and category names. The API uses lang=E by default. Some specialized datasets may only be available in Japanese.

What types of statistics are covered?

The database covers national census data, labor force surveys, consumer price indices (CPI), trade statistics, industrial production, health, and education metrics published by all Japanese government ministries.

Japan e-Stat MCP Server for Pydantic AI 2 tools — connect in under 2 minutes

Name: Japan e-Stat
Availability: InStock
Author: Vinkius

ai.pydantic.dev/mcp

Built by Vinkius GDPR 2 Tools SDK

Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect Japan e-Stat through the Vinkius and every tool is automatically validated against Pydantic schemas — catch errors at build time, not in production.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

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Vinkius supports streamable HTTP and SSE.

python

import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP

async def main():
    # Your Vinkius token — get it at cloud.vinkius.com
    server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

    agent = Agent(
        model="openai:gpt-4o",
        mcp_servers=[server],
        system_prompt=(
            "You are an assistant with access to Japan e-Stat "
            "(2 tools)."
        ),
    )

    result = await agent.run(
        "What tools are available in Japan e-Stat?"
    )
    print(result.data)

asyncio.run(main())

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About Japan e-Stat MCP Server

The Japan e-Stat MCP Server connects your AI agent to the official Portal of Government Statistics of Japan — the most comprehensive public data repository for the world's third-largest economy.

Pydantic AI validates every Japan e-Stat tool response against typed schemas, catching data inconsistencies at build time. Connect 2 tools through the Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code — full type safety, structured output guarantees, and dependency injection for testable agents.

Core Capabilities

Table Search — Discover statistical tables across all Japanese government ministries by keyword. Covers census data, national accounts, industrial production, foreign trade, labor force surveys, and more.
Data Retrieval — Pull raw numerical data from any table, fully classified by category, geographic area, and time period.
English Support — The API supports lang=E for English-translated table names and categories where available.

Free API key required (instant registration at e-stat.go.jp). Japan publishes some of the most detailed and reliable economic statistics in the world, making this an essential resource for global macro analysis, trade research, and market intelligence.

The Japan e-Stat MCP Server exposes 2 tools through the Vinkius. Connect it to Pydantic AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Japan e-Stat to Pydantic AI via MCP

Follow these steps to integrate the Japan e-Stat MCP Server with Pydantic AI.

Install Pydantic AI

Run pip install pydantic-ai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save to agent.py and run: python agent.py

Explore tools

The agent discovers 2 tools from Japan e-Stat with type-safe schemas

Why Use Pydantic AI with the Japan e-Stat MCP Server

Pydantic AI provides unique advantages when paired with Japan e-Stat through the Model Context Protocol.

Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application

Model-agnostic architecture — switch between OpenAI, Anthropic, or Gemini without changing your Japan e-Stat integration code

Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors

Dependency injection system cleanly separates your Japan e-Stat connection logic from agent behavior for testable, maintainable code

Japan e-Stat + Pydantic AI Use Cases

Practical scenarios where Pydantic AI combined with the Japan e-Stat MCP Server delivers measurable value.

Type-safe data pipelines: query Japan e-Stat with guaranteed response schemas, feeding validated data into downstream processing

API orchestration: chain multiple Japan e-Stat tool calls with Pydantic validation at each step to ensure data integrity end-to-end

Production monitoring: build validated alert agents that query Japan e-Stat and output structured, schema-compliant notifications

Testing and QA: use Pydantic AI's dependency injection to mock Japan e-Stat responses and write comprehensive agent tests

Japan e-Stat MCP Tools for Pydantic AI (2)

These 2 tools become available when you connect Japan e-Stat to Pydantic AI via MCP:

get_japan_stats_data

Use search_japan_statistics first to find the correct table ID. Returns category-classified data with time periods, areas, and values. Retrieve statistical data from a specific Japanese Government e-Stat table

search_japan_statistics

Returns table IDs, organization names, titles, and survey dates. Use the returned table ID with get_japan_stats_data to retrieve actual numbers. Keywords work in both English and Japanese. Common topics: population, GDP, industry, trade, employment, tourism, education, health. Search for statistical tables in the Japanese Government e-Stat database

Example Prompts for Japan e-Stat in Pydantic AI

Ready-to-use prompts you can give your Pydantic AI agent to start working with Japan e-Stat immediately.

"Find Japanese population statistics by prefecture."

"Fetch the latest Consumer Price Index (CPI) data for Tokyo."

"Show me the industrial production index for the automotive sector."

Troubleshooting Japan e-Stat MCP Server with Pydantic AI

Common issues when connecting Japan e-Stat to Pydantic AI through the Vinkius, and how to resolve them.

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

Japan e-Stat + Pydantic AI FAQ

Common questions about integrating Japan e-Stat MCP Server with Pydantic AI.

How does Pydantic AI discover MCP tools?

Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.

Does Pydantic AI validate MCP tool responses?

Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer — your Japan e-Stat MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.