ralfbecher/database-ontology-mcp

3.4

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Orionbelt Semantic Layer is an ontology-based MCP server designed for Text-2-SQL convenience, providing automatic ontology integration and advanced SQL safety features.

Tools

Functions exposed to the LLM to take actions

connect_database

Connects to PostgreSQL, Snowflake, or Dremio with environment variable fallback.

list_schemas

Retrieves available database schemas.

analyze_schema

Analyzes database schema and returns comprehensive table information including relationships.

generate_ontology

Generates RDF/OWL ontology from database schema with SQL mapping annotations.

execute_sql_query

Executes SQL queries with comprehensive safety protocols.

Prompts

Interactive templates invoked by user choice

No prompts

Resources

Contextual data attached and managed by the client