Infers a semantic layer from your data warehouse and serves it to agents over MCP.
Connect Runs on your machine
claude mcp add mcp -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -- uvx semlayer==0.7.0b3
{
"mcpServers": {
"mcp": {
"command": "uvx",
"args": [
"semlayer==0.7.0b3"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}
{
"mcpServers": {
"mcp": {
"command": "uvx",
"args": [
"semlayer==0.7.0b3"
],
"env": {
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}
{
"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
| Name | Description |
|---|---|
ANTHROPIC_API_KEYOptional, secret | Optional. Descriptions and LLM-validated joins need it; statistics-only inference works without it. |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 13 Nov 2026 |
| Last updated | 13 Nov 2026 |
| Registry name | dev.semlayer/mcp |
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