duckle

Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agents. No vendor cloud, no per-row billing.

{
  "mcpServers": {
    "duckle": {
      "command": "cargo",
      "args": [
        "run",
        "--",
        "duckle"
      ]
    }
  }
}

claude mcp add duckle cargo run -- duckle

{
  "mcpServers": {
    "duckle": {
      "command": "cargo",
      "args": [
        "run",
        "--",
        "duckle"
      ]
    }
  }
}