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MCP Bauplan

@marcoeg

Repository

Basic information

Category

Data & Analytics

License

MIT license

Transports

stdio

Author

marcoeg

About MCP Bauplan

An MCP server to interact with data and run pipeline using Bauplan

#mcp-bauplan#data-interaction#pipeline-management

MCP Bauplan config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-bauplan": {
      "command": "/path/to/uvx",
      "args": [
        "mcp-bauplan"
      ],
      "env": {
        "BAUPLAN_API_KEY": "your-api-key",
        "BAUPLAN_BRANCH": "your-branch",
        "BAUPLAN_NAMESPACE": "your-namespace",
        "BAUPLAN_TIMEOUT": "query-timeout-secs"
      }
    }
  }
}

MCP Bauplan tools

3

- Lists all the tables in the configured namespace

- Get the schema of a data tables

- Run a SELECT query on the specified table

Overview

What is mcp-bauplan?

mcp-bauplan is a minimalist Model Context Protocol (MCP) server that enables AI assistants to interact with data tables and run queries on Bauplan, a data store of Iceberg tables in S3.

How to use mcp-bauplan?

Install via uvx mcp-bauplan and configure it in your Claude Desktop config file with environment variables BAUPLAN_API_KEY, BAUPLAN_BRANCH, and BAUPLAN_NAMESPACE. Optionally set BAUPLAN_TIMEOUT. It supports both STDIO and SSE transports. For SSE, run uvx mcp-bauplan --transport sse --port 9090 with a .env file.

Key features of mcp-bauplan

  • Lists all tables in the configured namespace
  • Retrieves the schema of any data table
  • Runs SELECT-only SQL queries on tables
  • Supports both STDIO and SSE transports
  • Configurable query timeout (default 30 seconds)

Use cases of mcp-bauplan

  • Discover available Iceberg tables in a Bauplan namespace
  • Inspect table schemas before writing queries
  • Run ad‑hoc SELECT queries from an AI chat interface
  • Validate data or explore dataset content without a separate client

Frequently asked questions

1

What are the runtime dependencies?

Python 3.10 or higher, the `uv` package manager, and a valid Bauplan API key.

2

What transports are supported?

Both STDIO and SSE transports are supported. You can switch between them in the MCP Inspector during development.

3

How do I get a Bauplan API key?

Request one at [https://www.bauplanlabs.com/#join](https://www.bauplanlabs.com/#join).

4

What types of queries can I run?

Only `SELECT` queries are allowed. No data modification commands are supported.

5

Where are my data tables stored?

Bauplan manages Iceberg tables in S3. The server reads from the configured namespace and branch.

Comments

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