Public Data Catalog
Reviewed public-data search and execution with provenance and verifiable integrity receipts.
使うべきか
品質と安全性
A
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
~918トークン数（ツール定義）
~2.9 KB一般的なレスポンスサイズ
注意への影響は中程度（128k コンテキストの 0.72%）
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"public-data-catalog": {
"url": "https://public-data-catalog-mcp.yusuke8h.workers.dev/mcp"
}
}
}リモートエンドポイント
https://public-data-catalog-mcp.yusuke8h.workers.dev/mcpstreamable-httpできること
ツール一覧
ツール（3）
🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢search_data(query, kind, limit)
Search current metadata from e-Gov Data Portal and Statistics Dashboard, then return a short ranked list with publisher, formats, coverage, usage terms, and official links.
入力スキーマ
{
"type": "object",
"properties": {
"query": {
"type": "string",
"minLength": 2,
"maxLength": 80,
"description": "What data to find, preferably in Japanese"
},
"kind": {
"default": "all",
"description": "Search all sources, downloadable datasets, or statistical series",
"type": "string",
"enum": [
"all",
"dataset",
"statistics"
]
},
"limit": {
"default": 10,
"type": "integer",
"minimum": 1,
"maximum": 20
}
},
"required": [
"query"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}出力スキーマ
{
"type": "object",
"properties": {
"status": {
"type": "string",
"const": "ok"
},
"query": {
"type": "string"
},
"interpreted_as": {
"type": "array",
"items": {
"type": "string"
}
},
"searched_at": {
"type": "string"
},
"results": {
"type": "array",
"items": {}
},
"total": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"available": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"sources": {
"type": "array",
"items": {}
},
"note": {
"type": "string"
}
},
"required": [
"status",
"query",
"interpreted_as",
"searched_at",
"results",
"total",
"available",
"sources",
"note"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}🟢execute(recipeId, parameters)
Run one allowlisted, bounded HTTPS GET contract and return extracted values, provenance, and an integrity receipt.
入力スキーマ
{
"type": "object",
"properties": {
"recipeId": {
"type": "string",
"minLength": 1,
"maxLength": 100
},
"parameters": {
"type": "object",
"propertyNames": {
"type": "string",
"pattern": "^[a-z0-9][a-z0-9-]+$"
},
"additionalProperties": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
}
}
},
"required": [
"recipeId"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}出力スキーマ
{
"type": "object",
"properties": {
"status": {
"type": "string",
"const": "ok"
},
"recipe_id": {
"type": "string"
},
"contract_version": {
"type": "string"
},
"question": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"parameters": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"retrieved_at": {
"type": "string"
},
"elapsed_ms": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"request_url": {
"type": "string"
},
"results": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"interpretation": {
"type": "array",
"items": {
"type": "string"
}
},
"provenance": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"receipt": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"required": [
"status",
"recipe_id",
"contract_version",
"question",
"parameters",
"retrieved_at",
"elapsed_ms",
"request_url",
"results",
"interpretation",
"provenance",
"receipt"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}🟢verify(execution)
Check receipt and result hashes plus the execution envelope against the reviewed catalog. This detects later modification; it does not prove publisher authenticity or current freshness.
入力スキーマ
{
"type": "object",
"properties": {
"execution": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"required": [
"execution"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}出力スキーマ
{
"type": "object",
"properties": {
"valid": {
"type": "boolean"
},
"receipt_id": {
"type": "string"
},
"checks": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"required": [
"valid",
"receipt_id",
"checks"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}コミュニティ
エビデンス
最近の観測
検証済みバージョンは記録されていませんツール 3 件
検証済みバージョンは記録されていませんツール 3 件