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2025-03-30

MCP服务器与数据交互并使用BAUPLAN运行管道

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mcp-bauplan

A mimimalist Model Context Protocol MCP server to interact with data tables and running Bauplan queries.

Bauplan manages a data store of Iceberg tables in S3.

Features

  • Get Bauplan data tables and their schemas in the configured namespace
  • Query Bauplan data tables using SQL (SELECT only)

It supports both SSE and STDIO transports.

Tools

The server implements the following tools to interact with Bauplan data tables:

  • list_tables:
    • Lists all the tables in the configured namespace
  • get_schema:
    • Get the schema of a data tables
  • run_query:
    • Run a SELECT query on the specified table

Configuration

  1. Create _or edit the Claude Desktop configuration file located at:

    • On macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
    • On Windows: %APPDATA%/Claude/claude_desktop_config.json
  2. Add the following:

{
  "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",
        // Optional
        "BAUPLAN_TIMEOUT": "query-timeout-secs" // default 30 seconds
      }
    }
  }
}
  1. Replace /path/to/uvx with the absolute path to the uvx executable. Find the path with which uvx command in a terminal. This ensures that the correct version of uvx is used when starting the server.

  2. Restart Claude Desktop to apply the changes.

Run the stand-alone SSE server

Create a .env file from .env.example and then execute the following command:

$ uvx --env-file /path/to/.env mcp-bauplan --transport sse --port 9090

Note the use of nvx and not uvx will fetch mcp-bauplan from the default registry https://pypi.org.

Development

Setup

  1. Prerequisites:

  2. Clone the Repository:

git clone https://github.com/marcoeg/mcp-bauplan
cd mcp-nvd
  1. Set Environment Variables:

    • Create a .env file in the project root:
      BAUPLAN_API_KEY=your-api-key
      BAUPLAN_BRANCH=your-branch
      BAUPLAN_NAMESPACE=your-namespace
      
  2. Install Dependencies:

uv sync
uv pip install -e .

Run with the MCP Inspector

cd /path/to/the/repo
source .env

CLIENT_PORT=8077 SERVER_PORT=8078 npx @modelcontextprotocol/inspector \
     uv run mcp-bauplan

Note: omit CLIENT_PORT=8077 SERVER_PORT=8078 if the standard ports are not conflicting.

Then open the browser to the URL indicated by the MCP Inspector, typically http://localhost:8077?proxyPort=8078

Switch freely between stdio and sse transport types in the inspector. To use sse you need to run the server as explained below.

Testing with the SSE transport

Run the Server:

cd /path/to/the/repo
source .env

uv run mcp-bauplan --transport sse --port 9090
  • Runs with SSE transport on port 9090 by default.

Then open the browser to the URL indicated by the MCP Inspector. Select SSE Transport Type.

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    Reviews

    1 (1)
    Avatar
    user_39WwYs10
    2025-04-16

    As a loyal user of the mcp-bauplan application, I find it to be an invaluable tool for my projects. Developed by marcoeg, this tool offers a seamless integration into my workflow. It simplifies complex tasks with its intuitive design and powerful features. Highly recommend checking it out on GitHub!