MotherDuck DuckDB MCP Server

A local MCP server implementation that interacts with DuckDB and MotherDuck databases, providing SQL analytics capabilities to AI Assistants and IDEs.

→ fastmcp-me/mcp-server-motherduck · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 3 credentials: AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN, motherduck_token

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configAWS_ACCESS_KEY_ID— "": "<your_key>",

🔐 secretAWS_SECRET_ACCESS_KEY— "": "<your_secret>",

🔐 secretAWS_SESSION_TOKEN— For temporary credentials (AWS SSO), set the environment variable (and optionally AWS_DEFAULT_REGION) to automatically use DuckDB's credential_chain provider.

configAWS_DEFAULT_REGION— "": "<your_region>"

🔐 secretmotherduck_token— motherduck-token String None Access token to use for MotherDuck database connections (uses env var by default)

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/fastmcp-me-mcp-server-motherduck-qnwksr)](https://m8ven.ai/mcp/fastmcp-me-mcp-server-motherduck-qnwksr)

commit: d46de8f00a7a9b95f3553963a4d9722d5beb0fd6

code hash: 6a56ab0cf6d721137bd93047e2ce74fb7438e6aa179234bdd84a7215f410efc6

verified: 6/15/2026, 3:11:38 PM

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