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semlayer

dev.semlayer/mcp ยท v0.7.0b3

Infers a semantic layer from your data warehouse and serves it to agents over MCP.

Connect Runs on your machine

Terminal
claude mcp add mcp -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -- uvx semlayer==0.7.0b3
claude_desktop_config.json
{
  "mcpServers": {
    "mcp": {
      "command": "uvx",
      "args": [
        "semlayer==0.7.0b3"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "command": "uvx",
      "args": [
        "semlayer==0.7.0b3"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "semlayer==0.7.0b3"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
ANTHROPIC_API_KEY
Optional, secret
Optional. Descriptions and LLM-validated joins need it; statistics-only inference works without it.

Details

Package[email protected] (PYPI, stdio)
First published13 Nov 2026
Last updated13 Nov 2026
Registry namedev.semlayer/mcp

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