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1. orionbelt-ontology-builder orionbelt-ontology-builderPublic

   Browser-based ontology workbench for OWL ontologies and SKOS vocabularies. Streamlit + rdflib, no Java, no Protégé. Bulk operations, OWL-RL reasoning, gist upper-ontology starters, merge-aware impo…

   Python 130 13

2. orionbelt-semantic-layer orionbelt-semantic-layerPublic

   Open-source Semantic Sidecar for AI, analytics, and governed data systems. Compiles declarative YAML models into optimized SQL, semantic context, KPIs, and DQ rules.

   Python 71 8

3. orionbelt-analytics orionbelt-analyticsPublic

   Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for fan-trap-free Text-to-SQL.

   Python 45 4

4. orionbelt-semantic-layer-mcp orionbelt-semantic-layer-mcpPublic

   MCP server for the OrionBelt Semantic Layer. Enables LLMs to explore semantic models, compile queries, and execute analytics via natural language. Works with Claude, Cursor, Windsurf, Copilot.

   Python 3

5. orionbelt-chat orionbelt-chatPublic

   AI-powered chat interface for OrionBelt Analytics & Semantic Layer MCP servers. Built with Chainlit and Pydantic AI, supporting OpenRouter, Anthropic, OpenAI, MLX, and Ollama.

   Python 3

6. orionbelt-runner orionbelt-runnerPublic

   Run OBML query batches against the OrionBelt Semantic Layer and emit reports. YAML-defined runs produce self-contained markdown, HTML, or PDF reports with audit-grade YAML run-logs. Built for cron,…

   Python 2