MCP MeasureMCP Measure

索引已觀測

DataGraph

Urban intelligence knowledge graph. Structured locality data for civic problem-solving.

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品質與安全性

A
說明品質
100%
結構描述完整度
70%
命名品質
100%
汙染風險
100%
權限相符程度
100%
協定合規性
100%

根據工具定義與協定合規性的自動化分析。

上下文成本

~481Token（工具定義）
~623 B典型回應大小
極小的注意力影響（128k 上下文的 0.38%）

這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。

安裝

一鍵安裝

將以下內容加入你的 `claude_desktop_config.json` 檔案：

{
  "mcpServers": {
    "datagraph": {
      "command": "npx",
      "args": [
        "datagraph-city-mcp-server"
      ]
    }
  }
}

可執行的套件

npmdatagraph-city-mcp-server1.7.2stdio

遠端端點

https://api.datagraph.city/mcpstreamable-http

它能做什麼

工具清單

工具（5）

🟢 唯讀🟡 寫入🔴 刪除⚪ 未知
🟢get_server_info

Get DataGraph MCP server metadata and GOSR framework info.

輸入結構描述

{
  "type": "object",
  "properties": {}
}
🟢list_datasets(locality)

List available datasets. Optionally filter by locality code.

輸入結構描述

{
  "type": "object",
  "properties": {
    "locality": {
      "type": "string",
      "description": "Filter by locality code (optional)"
    }
  }
}
🟢get_locality_schema(locality)

Get the graph schema for a locality (node types, relationships, sample queries). Call list_datasets first to get locality codes.

輸入結構描述

{
  "type": "object",
  "properties": {
    "locality": {
      "type": "string",
      "description": "Locality code (REQUIRED). Use the 'locality' field from list_datasets. Example: 'nova-scotia', 'kc', 'unlonely-nyc'."
    }
  },
  "required": [
    "locality"
  ]
}
🟢query_locality_data(query, locality, cypher_query, cypher_params, limit)

Query data using natural language or Cypher. Requires auth.

輸入結構描述

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "User question or description."
    },
    "locality": {
      "type": "string",
      "description": "Locality code (REQUIRED). Use the 'locality' field from list_datasets."
    },
    "cypher_query": {
      "type": "string",
      "description": "RECOMMENDED: Cypher query generated from schema. MUST include WHERE n.dataset = '<dataset_id>' filter. Must be read-only with LIMIT clause (max 1000)."
    },
    "cypher_params": {
      "type": "object",
      "description": "Parameters for Cypher query ($param syntax)."
    },
    "limit": {
      "type": "number",
      "description": "Max results for NL queries (default: 10, max: 100)",
      "default": 10
    }
  },
  "required": [
    "query"
  ]
}
🟢get_usage_stats

Check your API usage and quota. Requires auth.

輸入結構描述

{
  "type": "object",
  "properties": {}
}

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