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pbixray-mcp-server

by jonaolden
GitHub
Python
MIT License
16
  • Linux
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PBIXRay MCP Server

A Model Context Protocol (MCP) server for PBIXRay.

This MCP server exposes the capabilities of PBIXRay as tools and resources for LLM clients to interact with Power BI (.pbix) files.

Features

  • Loading and analyzing PBIX files
  • Data model exploration
    • Listing tables in the model
    • Retrieving model metadata
    • Checking model size
    • Getting model statistics
    • Getting comprehensive model summary
  • Query language access
    • Viewing Power Query (M) code
    • Accessing M Parameters
    • Exploring DAX calculated tables
    • Viewing DAX measures
    • Examining DAX calculated columns
  • Data structure analysis
    • Retrieving schema information
    • Analyzing table relationships
    • Accessing table contents with pagination

The list of tools is configurable, so you can choose which tools you want to make available to the MCP client. This is useful if you don't use certain functionality or if you don't want to expose sensitive information.

Tools

ToolCategoryDescription
load_pbix_fileCoreLoad a Power BI (.pbix) file for analysis
get_tablesModelList all tables in the model
get_metadataModelGet metadata about the Power BI configuration
get_power_queryQueryDisplay all M/Power Query code used for data transformation
get_m_parametersQueryDisplay all M Parameters values
get_model_sizeModelGet the model size in bytes
get_dax_tablesQueryView DAX calculated tables
get_dax_measuresQueryAccess DAX measures with filtering by table or measure name
get_dax_columnsQueryAccess calculated column DAX expressions with filtering options
get_schemaStructureGet details about the data model schema and column types
get_relationshipsStructureGet the details about the data model relationships
get_table_contentsDataRetrieve the contents of a specified table with pagination
get_statisticsModelGet statistics about the model with optional filtering
get_model_summaryModelGet a comprehensive summary of the current Power BI model

Usage

Add the server configuration to your client configuration file. For example, for Claude Desktop:

{ "mcpServers": { "pbixray": { "command": "wsl.exe", "args": [ "bash", "-c", "source ~/dev/pbixray-mcp/venv/bin/activate && python ~/dev/pbixray-mcp/src/pbixray_server.py" ] } } }

WSL Path conversion (Claude Project instructions for instance)

When using the PBIXRay MCP Server in WSL with Claude Desktop on Windows, you need to be aware of path differences when loading PBIX files. Windows paths (like C:\Users\name\file.pbix) cannot be directly accessed in WSL. Let your AI assistant know how to convert between pats by adding "Note that mcp server is running in wsl. Windows paths (like C:\Users\name\file.pbix) cannot be directly accessed in WSL. Instead, use WSL paths when referencing files: Windows: C:\Users\name\Downloads\file.pbix" WSL: /mnt/c/Users/name/Downloads/file.pbix" to project instructions or similar.

Command Line Options

The server supports several command line options:

  • --disallow [tool_names]: Disable specific tools for security reasons
  • --max-rows N: Set maximum number of rows returned (default: 100)
  • --page-size N: Set default page size for paginated results (default: 20)

Command-line options can be added as needed in config json:

{ "mcpServers": { "pbixray": { "command": "wsl.exe", "args": [ "bash", "-c", "source ~/dev/pbixray-mcp/venv/bin/activate && python ~/dev/pbixray-mcp/src/pbixray_server.py --max-rows 100 --page-size 50 --disallow get_power_query" ], "env": {} } } }

Query Options

Tools support additional parameters for filtering and pagination:

Filtering by Name

Tools like get_dax_measures, get_dax_columns, get_schema and others support filtering by specific names:

# Get measures from a specific table get_dax_measures(table_name="Sales") # Get a specific measure get_dax_measures(table_name="Sales", measure_name="Total Sales")
Pagination for Large Tables

The get_table_contents tool supports pagination to handle large tables efficiently:

# Get first page of Customer table (default 20 rows per page) get_table_contents(table_name="Customer") # Get second page with 50 rows per page get_table_contents(table_name="Customer", page=2, page_size=50)

Development and testing

You can install PBIXRay MCP Server:

pip install pbixray-mcp-server

Development Installation

For developers working on the project:

  1. Clone the repository:
    git clone https://github.com/username/pbixray-mcp.git cd pbixray-mcp
  2. Install in development mode:
    pip install -e .
  3. If installing from source, create a virtual environment and install dependencies:
    python -m venv venv source venv/bin/activate # On Windows: venv\Scripts\activate pip install mcp pbixray numpy

Testing with Sample Files

The repository includes sample files and test scripts to help you get started:

# Test with sample AdventureWorks Sales.pbix file in demo/ folder python tests/test_with_sample.py # Try the interactive demo python examples/demo.py # For isolated tests of specific features python test_pagination.py python test_metadata_fix.py

The test scripts will help you understand how to interact with the server using the sample PBIX files provided in the demo/ directory.

Development Mode

To test the server during development, use the MCP Inspector:

# Activate your environment first source venv/bin/activate # Run the MCP Inspector mcp dev src/pbixray_server.py

This starts an interactive session where you can call tools and test responses.

Project Structure

pbixray-mcp/ ├── README.md - This file ├── INSTALLATION.md - Detailed installation instructions ├── src/ - Source code │ ├── __init__.py │ └── pbixray_server.py ├── tests/ - Test scripts │ ├── __init__.py │ ├── conftest.py │ ├── test_server.py │ └── test_with_sample.py ├── examples/ - Example scripts and configs │ ├── demo.py │ └── config/ ├── demo/ - Sample PBIX files │ ├── README.md │ └── AdventureWorks Sales.pbix └── docs/ - Additional documentation └── ROADMAP.md

Contributions

Contributions are much welcomed!

Credits

  • Hugoberry - Original PBIXRay library
  • rusiaaman - WCGW (This MCP was fully written by Claude using wcgw)

License (claude insists on adding these)

MIT License

This server cannot be installed

-
security - not tested
A
license - permissive license
-
quality - not tested

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

A Model Context Protocol enabling AI clients to interact with PowerBI Models by querying metadata through PBIXRay python package.

  1. Features
    1. Tools
      1. Usage
        1. WSL (Recommended)
          1. WSL Path conversion (Claude Project instructions for instance)
          2. Command Line Options
          3. Query Options
        2. Development and testing
          1. Development Installation
          2. Testing with Sample Files
          3. Development Mode
          4. Project Structure
        3. Contributions
          1. Credits
            1. License (claude insists on adding these)

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