Public Data Catalog
Reviewed public-data search and execution with provenance and verifiable integrity receipts.
我该使用它吗
质量与安全性
A
基于对工具定义和协议合规性的自动分析。
上下文开销
~918token 数（工具定义）
~2.9 KB典型响应大小
对注意力有中等影响（占 128k 上下文窗口的 0.72%）
这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。
安装
一键安装
将以下内容添加到你的 `claude_desktop_config.json` 文件中：
{
"mcpServers": {
"public-data-catalog": {
"url": "https://public-data-catalog-mcp.yusuke8h.workers.dev/mcp"
}
}
}远程端点
https://public-data-catalog-mcp.yusuke8h.workers.dev/mcpstreamable-http它能做什么
工具清单
工具（3）
🟢 只读🟡 写入🔴 删除⚪ 未知
🟢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.
输入模式
{
"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"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}输出模式
{
"type": "object",
"properties": {
"status": {
"type": "string",
"const": "ok"
},
"query": {
"type": "string"
},
"interpreted_as": {
"type": "array",
"items": {
"type": "string"
}
},
"searched_at": {
"type": "string"
},
"results": {
"type": "array",
"items": {}
},
"total": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"available": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
},
"sources": {
"type": "array",
"items": {}
},
"note": {
"type": "string"
}
},
"required": [
"status",
"query",
"interpreted_as",
"searched_at",
"results",
"total",
"available",
"sources",
"note"
],
"$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.
输入模式
{
"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#"
}输出模式
{
"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"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}🟢verify(execution)
Check receipt and result hashes plus the execution envelope against the reviewed catalog. This detects later modification; it does not prove publisher authenticity or current freshness.
输入模式
{
"type": "object",
"properties": {
"execution": {
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {}
}
},
"required": [
"execution"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}输出模式
{
"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
}社区
证据
最近观测
已验证未记录版本3 个工具
已验证未记录版本3 个工具
已验证未记录版本3 个工具