Wikipedia / MediaWiki · Capability

Wikidata Knowledge Graph

Wikidata SPARQL query surface for traversing the 100M+ item structured knowledge graph. Self-contained Naftiko capability covering one Wikidata business surface.

Run with Naftiko WikidataSPARQLKnowledge Graph

What You Can Do

GET
Executesparqlqueryget — Execute a SPARQL query (GET)
/v1/sparql
POST
Executesparqlquerypost — Execute a SPARQL query (POST)
/v1/sparql

MCP Tools

execute-sparql-query-get

Execute a SPARQL query (GET)

read-only idempotent
execute-sparql-query-post

Execute a SPARQL query (POST)

read-only

Who This Is For

👤
AI Researcher / RAG Builder
Grounds LLM responses in Wikipedia content; needs cached, anonymous reads.
👤
RAG / Agent Builder
Builds retrieval-augmented agents using one of the many community Wikipedia MCP servers.

Capability Spec

wikipedia-knowledge-graph.yaml Raw ↑ 
naftiko: 1.0.0-alpha2
info:
  label: Wikidata Knowledge Graph
  description: Wikidata SPARQL query surface for traversing the 100M+ item structured knowledge graph. Self-contained Naftiko capability covering one Wikidata business surface.
  tags:
  - Wikidata
  - SPARQL
  - Knowledge Graph
  created: '2026-05-29'
  modified: '2026-05-29'
binds: []
capability:
  consumes:
  - type: http
    namespace: wikipedia-knowledge-graph
    baseUri: https://query.wikidata.org
    description: Wikidata Knowledge Graph business capability. Self-contained, no shared references.
    resources:
    - name: executesparqlqueryget
      path: /sparql
      operations:
      - name: executeSparqlQueryGet
        method: GET
        description: Execute a SPARQL query (GET)
        inputParameters: []
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: executesparqlquerypost
      path: /sparql
      operations:
      - name: executeSparqlQueryPost
        method: POST
        description: Execute a SPARQL query (POST)
        inputParameters:
        - name: body
          in: body
          type: object
          required: false
          description: Request body payload
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
  exposes:
  - type: rest
    namespace: wikipedia-knowledge-graph-rest
    port: 8082
    description: REST adapter for Wikidata Knowledge Graph. One Spectral-compliant resource per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/sparql
      name: executesparqlqueryget
      description: Execute a SPARQL query (GET)
      operations:
      - method: GET
        name: executeSparqlQueryGet
        description: Execute a SPARQL query (GET)
        call: wikipedia-knowledge-graph.executeSparqlQueryGet
        with: {}
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/sparql
      name: executesparqlquerypost
      description: Execute a SPARQL query (POST)
      operations:
      - method: POST
        name: executeSparqlQueryPost
        description: Execute a SPARQL query (POST)
        call: wikipedia-knowledge-graph.executeSparqlQueryPost
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: wikipedia-knowledge-graph-mcp
    port: 9092
    transport: http
    description: MCP adapter for Wikidata Knowledge Graph. One tool per consumed operation, routed inline through this capability's consumes block.
    tools:
    - name: execute-sparql-query-get
      description: Execute a SPARQL query (GET)
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: wikipedia-knowledge-graph.executeSparqlQueryGet
      with: {}
      outputParameters:
      - type: object
        mapping: $.
    - name: execute-sparql-query-post
      description: Execute a SPARQL query (POST)
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: wikipedia-knowledge-graph.executeSparqlQueryPost
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.