load_my_ontology
Load a custom .ttl ontology file from an import folder
How to use it
load_my_ontology is exposed by the Orionbelt Analytics MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the load_my_ontology tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Orionbelt Analytics
claude mcp add orionbelt-analytics http://localhost:9000/mcpOther tools in Orionbelt Analytics (26)
Add custom metadata triples to the RDF store
Apply LLM-suggested semantic names and descriptions to ontology
Delete all workspace files for the current connection and start fresh
Connect to any supported database using .env credentials
Analyze schema structure with automatic GraphRAG + ontology generation
Download ontology or R2RML mapping as a Turtle file
Execute SQL with OBQC validation, security checks, and fan-trap detection
Generate Plotly charts (bar, line, scatter, heatmap) with MCP-UI rendering
Generate RDF/OWL ontology from schema with SQL mapping annotations
Retrieve a stored semantic model by name
Get detailed column, key, and constraint info for a specific table
Discover join paths between tables via graph traversal
Get optimized context for SQL generation (85-95% token reduction)
Semantic search + schema overview (auto-initialized by discoverschema)
List available schemas in the connected database
List all stored semantic models for the current connection
Measure-capable tables for an anchor grain (one-to-many closure)
Advise a fan-trap-safe Composite Fact Layer (UNION ALL) decomposition
Execute SPARQL queries (SELECT, ASK, CONSTRUCT — auto-detected)
Dimension-capable tables for an anchor grain (many-to-one closure)
Clear cached schema and ontology data for the current session
Preview table data with row limit and injection protection
Save a semantic model (e.g., OBML YAML) to the workspace
Persist ontology in Oxigraph for SPARQL access
Detect abbreviations and cryptic names for business-friendly renaming