RDF Explorer is an MCP server that provides a conversational interface for exploring and analyzing RDF-based Knowledge Graphs in either Local File mode or SPARQL Endpoint mode. Developed by Emeka Azuka Okoye, it facilitates communication between AI applications and RDF data through SPARQL queries, full-text search, and graph statistics tools. The server supports both local RDF files and external SPARQL endpoints, offering features like schema exploration, relationship discovery, and graph visualization. Particularly useful for knowledge graph research, semantic web exploration, and AI data preparation workflows where structured graph data needs to be queried conversationally.
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Execute a SPARQL query directly on an external endpoint. Parameters: endpoint (str), query (str), ctx (Context)
Execute a SPARQL query on the current graph or active external endpoint. Parameters: query (str), ctx (Context), use_service (bool)
Calculate and return statistics about the graph in JSON format. Parameters: ctx (Context)
Count triples in the graph. Disabled in SPARQL Endpoint Mode; use a custom prompt instead. Parameters: ctx (Context)
Perform a full-text search on the graph or endpoint, avoiding proprietary syntax. Parameters: search_term (str), ctx (Context)
Check the health of the triplestore connection. Parameters: ctx (Context)
Get the current mode of RDF Explorer. Useful for knowledge graph and semantic tech users to verify data source. Parameters: ctx (Context)
Initiate an analysis of the graph structure with schema data.
Generate a SPARQL query to find relationships for a given subject.
Convert a text prompt to a SPARQL query and execute it, with token limit checks. Parameters: prompt (str)
Retrieve schema information (classes and properties) from the graph.
Retrieve a predefined SPARQL query template by name.
Execute an exploratory SPARQL query by name and return results in JSON. Parameters: query_name (str)
Generate a Markdown report of exploratory queries.
