orionbelt-semantic-layer
API-first semantic layer MCP server compiling YAML models into dialect-specific SQL
DatabasesAI & MLpython
How to use
orionbelt-semantic-layer is an MCP server that lets your AI assistant read from and write to your database straight from a conversation.
- Best for letting an assistant inspect schemas, run queries, and summarize results.
- Works in any MCP-compatible client — Claude Desktop, Claude Code, Cursor, and others.
- Add it once to your client config; its tools then appear to the assistant automatically.
Install
Distributed as a PyPI package. Prerequisite: Python 3.10+ and uv — https://docs.astral.sh/uv/.
- 1Install the prerequisite above if you don't have it.
- 2Open your Claude Desktop config (create it if missing):
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
- macOS:
- 3Add this under
mcpServers(merge if the key already exists):{ "mcpServers": { "orionbelt-semantic-layer": { "command": "uvx", "args": ["orionbelt-semantic-layer"] } } } - 4Save the file and fully quit, then reopen Claude Desktop.
- 5Click the tools (🔌) icon — orionbelt-semantic-layer's tools should now be listed.
Capabilities
No capabilities documented for this server yet.
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