SQL analytics and data engineering for AI Assistants and IDEs
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We found mcp-server-motherduck in the official MCP registry. Our automated check passed on Nov 1, 2026 (it confirms the server is published and reachable), but no one at CuratedMCP has reviewed its code, permissions or credentials handling. Check what it can access before you give it keys. Scan your machine free to see every MCP server you have installed.
{
"mcpServers": {
"motherduck": {
"command": "uvx",
"args": [
"mcp-server-motherduck"
]
}
}
}| Environment variable | Required | What it is |
|---|---|---|
| motherduck_tokensecret | No | Access token for MotherDuck connections (alternative to --motherduck-token) |
| MOTHERDUCK_TOKENsecret | No | Access token for MotherDuck connections (alternative to --motherduck-token) |
| HOME | No | Used by DuckDB for extensions and config. Override with --home-dir if not set. |
| AWS_ACCESS_KEY_IDsecret | No | AWS access key for S3 database connections |
| AWS_SECRET_ACCESS_KEYsecret | No | AWS secret access key for S3 database connections |
| AWS_SESSION_TOKENsecret | No | AWS session token for temporary credentials |
| AWS_DEFAULT_REGION | No | AWS region for S3 database connections |
| AWS_ENDPOINT | No | AWS endpoint for S3 database connections |
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