Waldur MCP server

Integrates Waldur instances with Claude Desktop using the Model Context Protocol (MCP).

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Waldur MCP server

Waldur MCP server enables integration between Waldur instance and Claude Desktop by implementing the Model Context Protocol (MCP). This allows Claude to interact with your Waldur instance directly.

Quickstart

  1. Install Claude Desktop for your platform from the Claude Desktop releases page

  2. Install Python 3.13 or higher.

  3. Install uv package manager.

Installation

To install the package:

pip install waldur-mcp-server

Or with uv:

uv pip install waldur-mcp-server

Generate Waldur Token

  1. Log in to your Waldur instance
  2. Navigate to Username > Credentials > API Token
  3. Generate a new token with appropriate token lifetime - you'll need it for configuration

Claude Desktop MCP Server Configuration

On Windows: %APPDATA%\Claude\claude_desktop_config.json

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Development/Unpublished Servers Configuration 
{
  "mcpServers": {
    "waldur-mcp-server": {
      "command": "uv",
      "args": [
        "--directory",
        "C:\\waldur_service",
        "run",
        "waldur-mcp-server"
      ],
      "env": {
        "WALDUR_API_URL": "https://your-waldur-instance",
        "WALDUR_TOKEN": "your-token"
      }
    }
  }
}
Published Servers Configuration 
{
  "mcpServers": {
    "waldur-mcp-server": {
      "command": "uvx",
      "args": [
        "waldur-mcp-server"
      ],
      "env": {
        "WALDUR_API_URL": "https://your-waldur-instance",
        "WALDUR_TOKEN": "your-token"
      }
    }
  }
}

Debugging

On macOS, log files are located at ~/Library/Logs/Claude/mcp.log

If you encounter a spawn uvx ENOENT error, verify that your PATH environment variable includes the Python installation directory where uv is installed. Alternatively, you can specify the full path to uvx in the configuration file, for example: ~/Library/Frameworks/Python.framework/Versions/3.13/bin/uvx

Since MCP servers run over stdio, debugging can be challenging. For the best debugging experience, we strongly recommend using the MCP Inspector.

You can launch the MCP Inspector via npm with this command:

npx @modelcontextprotocol/inspector uv --directory C:\\waldur_service run waldur-mcp-server

When debugging, you'll need to set the required environment variables. Upon launching, the Inspector will display a URL that you can access in your browser to begin debugging.

Common issues

  • Invalid token: Verify token permissions and expiration
  • Connection issues: Check WALDUR_API_URL is accessible

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