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n-3.ai

Retrieves Japanese government statistics and public procurement data along with time zone information.

3 endpoints7 known toolsFirst detected July 25, 2026Last detected August 29, 2026

ENDPOINT 1

https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog

No auth detected

MCP server metadata

Name
n.3.ai MCP Server
Version
1.0.0
Capabilities
tools.listChanged

Known tools 3

e-stat-get-stats-list

指定した条件に基づき、e-Statに登録されている統計表の一覧および基本情報（統計表ID、統計名、調査年月、公開日など）を取得する。実際の統計数値は含まれないため、ここで得た統計表IDを e-stat-get-stats-data ツールに渡して取得する。

Inferred read-only
e-stat-get-meta-info

e-stat-get-stats-list ツールで取得した統計表IDに基づいて、メタ情報（分類項目、地域区分、時間軸、表章事項などの構造情報）を取得する。ここで得た分類ID・項目コードは e-stat-get-stats-data ツールの絞り込み引数（cdCat01, cdArea など）に指定する。

Inferred read-only
e-stat-get-data-catalog

e-Statに登録されている統計データベースのカタログ情報（統計名、説明、提供状況、ファイルのダウンロードURLなど）を取得する。統計データの全体像把握やファイル取得用途に使用する。

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.n-3-ai-mcp-server]
url = "https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "n-3-ai-mcp-server": {
      "type": "http",
      "url": "https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: n-3-ai-mcp-server
Remote MCP URL: https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "n-3-ai-mcp-server": {
      "url": "https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "n-3-ai-mcp-server": {
      "type": "http",
      "url": "https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "n-3-ai-mcp-server",
  "transport": "streamable-http",
  "url": "https://mcp.n-3.ai/mcp?tools=e-stat-get-stats-list,e-stat-get-meta-info,e-stat-get-data-catalog"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

ENDPOINT 2

https://mcp.n-3.ai/mcp?tools=kkj-search

No auth detected

MCP server metadata

Name
n.3.ai MCP Server
Version
1.0.0
Capabilities
tools.listChanged

Known tools 1

kkj-search

公共調達情報を検索します。検索クエリ、件名、機関名、都道府県コード、カテゴリ（物品、工事、役務）などのパラメータを使用して詳細な検索が可能です。

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.n-3-ai-mcp-server]
url = "https://mcp.n-3.ai/mcp?tools=kkj-search"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "n-3-ai-mcp-server": {
      "type": "http",
      "url": "https://mcp.n-3.ai/mcp?tools=kkj-search"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: n-3-ai-mcp-server
Remote MCP URL: https://mcp.n-3.ai/mcp?tools=kkj-search

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "n-3-ai-mcp-server": {
      "url": "https://mcp.n-3.ai/mcp?tools=kkj-search"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "n-3-ai-mcp-server": {
      "type": "http",
      "url": "https://mcp.n-3.ai/mcp?tools=kkj-search"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "n-3-ai-mcp-server",
  "transport": "streamable-http",
  "url": "https://mcp.n-3.ai/mcp?tools=kkj-search"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

ENDPOINT 3

https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list

No auth detected

MCP server metadata

Name
n.3.ai MCP Server
Version
1.0.0
Capabilities
tools.listChanged

Known tools 3

get-time

指定したタイムゾーンの現在時刻を取得します。フォーマット文字列には date-fns の形式を使用します（例: 'yyyy-MM-dd HH:mm:ss', 'yyyy年MM月dd日 HH時mm分ss秒'）。24時間表記には 'HH' を使用してください。

Inferred read-only
reinfolib-real-estate-price

国土交通省の不動産情報ライブラリから不動産価格（取引価格・成約価格）情報を取得します。取引時期、地域（都道府県、市区町村、駅）などを指定して検索することが可能。市区町村コードは reinfolib-city-list ツールで取得できます。

Inferred read-only
reinfolib-city-list

国土交通省の不動産情報ライブラリから都道府県内の市区町村一覧を取得します。都道府県コードを指定して検索します。ここで得た市区町村コード（id）は reinfolib-real-estate-price の city 引数に渡せます。

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.n-3-ai-mcp-server]
url = "https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "n-3-ai-mcp-server": {
      "type": "http",
      "url": "https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: n-3-ai-mcp-server
Remote MCP URL: https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "n-3-ai-mcp-server": {
      "url": "https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "n-3-ai-mcp-server": {
      "type": "http",
      "url": "https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "n-3-ai-mcp-server",
  "transport": "streamable-http",
  "url": "https://mcp.n-3.ai/mcp?tools=get-time,reinfolib-real-estate-price,reinfolib-city-list"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for n-3.ai was fetched 2026-08-05T00:35:08.317Z and is being refreshed.

Trust status Neutral

n-3.ai is assessed as Neutral: No suspicious signals found, but no strong positive signal either

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.