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MCP Server

DataGraph

io.github.team-earth/datagraph
Data & Analytics Maps & Location Public & reachable MCP 2026-07-28

What this MCP does

Provides locality datasets and schemas through a structured urban intelligence knowledge graph, queryable with natural language or Cypher.

Capabilities

Tools

5 tools
get_locality_schema
Get the graph schema for a locality (node types, relationships, sample queries). Call list_datasets first to get locality codes.
Read only
Input schema 
{'type': 'object', 'required': ['locality'], 'properties': {'locality': {'type': 'string', 'description': "Locality code (REQUIRED). Use the 'locality' field from list_datasets. Example: 'nova-scotia', 'kc', 'unlonely-nyc'."}}}
get_server_info
Get DataGraph MCP server metadata and GOSR framework info.
Read only
Input schema 
{'type': 'object', 'properties': {}}
get_usage_stats
Check your API usage and quota. Requires auth.
Read only
Input schema 
{'type': 'object', 'properties': {}}
list_datasets
List available datasets. Optionally filter by locality code.
Read only
Input schema 
{'type': 'object', 'properties': {'locality': {'type': 'string', 'description': 'Filter by locality code (optional)'}}}
query_locality_data
Query data using natural language or Cypher. Requires auth.
Read only Open world
Input schema 
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'number', 'default': 10, 'description': 'Max results for NL queries (default: 10, max: 100)'}, '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).'}}}
History

Recent tool changes

Added
get_usage_stats
Sept. 17, 2026, 12:52 p.m.
Added
query_locality_data
Sept. 17, 2026, 12:52 p.m.
Added
get_locality_schema
Sept. 17, 2026, 12:52 p.m.
Added
list_datasets
Sept. 17, 2026, 12:52 p.m.
Added
get_server_info
Sept. 17, 2026, 12:52 p.m.
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