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 Google ADK 2 tools — connect in under 2 minutes

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

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 2 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Japan e-Stat as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

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Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="japan_e_stat_agent",
    instruction=(
        "You help users interact with Japan e-Stat "
        "using 2 available tools."
    ),
    tools=[mcp_tools],
)

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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.

Google ADK natively supports Japan e-Stat as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 2 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

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 Google ADK 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 Google ADK via MCP

Follow these steps to integrate the Japan e-Stat MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 2 tools from Japan e-Stat via MCP

Why Use Google ADK with the Japan e-Stat MCP Server

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

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Japan e-Stat

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine Japan e-Stat tools with BigQuery, Vertex AI, and Cloud Functions

Japan e-Stat + Google ADK Use Cases

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

Enterprise data agents: ADK agents query Japan e-Stat and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Japan e-Stat tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Japan e-Stat regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Japan e-Stat

Japan e-Stat MCP Tools for Google ADK (2)

These 2 tools become available when you connect Japan e-Stat to Google ADK 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 Google ADK

Ready-to-use prompts you can give your Google ADK 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 Google ADK

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

McpToolset not found

Update: pip install --upgrade google-adk

Japan e-Stat + Google ADK FAQ

Common questions about integrating Japan e-Stat MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.