airflow-mcp-server: An MCP Server for controlling Airflow

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Overview

A Model Context Protocol server for controlling Airflow via Airflow APIs.

Demo Video

https://github.com/user-attachments/assets/f3e60fff-8680-4dd9-b08e-fa7db655a705

Setup

Usage with Claude Desktop

Note:

• Set base_url to the root Airflow URL (e.g., http://localhost:8080).

• Do not include /api/v2 in the base URL. The server will automatically fetch the OpenAPI spec from ${base_url}/openapi.json.

• Only JWT token is required for authentication. Cookie and basic auth are no longer supported in Airflow 3.0.

Operation Modes

The server supports two operation modes:

• Safe Mode (--safe): Only allows read-only operations (GET requests). This is useful when you want to prevent any modifications to your Airflow instance.

• Unsafe Mode (--unsafe): Allows all operations including modifications. This is the default mode.

To start in safe mode:

To explicitly start in unsafe mode (though this is default):

Considerations

Authentication

• Only JWT authentication is supported in Airflow 3.0. You must provide a valid AUTH_TOKEN.

Page Limit

The default is 100 items, but you can change it using maximum_page_limit option in [api] section in the airflow.cfg file.

Tasks

• Airflow 3 readiness

• Parse OpenAPI Spec

• Safe/Unsafe mode implementation

• Parse proper description with list_tools.

• Airflow config fetch (specifically for page limit)

• Env variables optional (env variables might not be ideal for airflow plugins)