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MCP server to manage apache beam workflows with different runners
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Apache Beam MCP Server

A Model Context Protocol (MCP) server for managing Apache Beam pipelines across different runners: Flink, Spark, Dataflow, and Direct.

Python 3.9+ MCP Version Apache Beam Docker Kubernetes

What is This?

The Apache Beam MCP Server provides a standardized API for managing Apache Beam data pipelines across different runners. It's designed for:

  • Data Engineers: Manage pipelines with a consistent API regardless of runner
  • AI/LLM Developers: Enable AI-controlled data pipelines via the MCP standard
  • DevOps Teams: Simplify pipeline operations and monitoring

Key Features

  • Multi-Runner Support: One API for Flink, Spark, Dataflow, and Direct runners
  • MCP Compliant: Follows the Model Context Protocol for AI integration
  • Pipeline Management: Create, monitor, and control data pipelines
  • Easy to Extend: Add new runners or custom features
  • Production-Ready: Includes Docker/Kubernetes deployment, monitoring, and scaling

Quick Start

Installation

# Clone the repository
git clone https://github.com/yourusername/beam-mcp-server.git
cd beam-mcp-server

# Create a virtual environment
python -m venv beam-mcp-venv
source beam-mcp-venv/bin/activate  # On Windows: beam-mcp-venv\Scripts\activate

# Install dependencies
pip install -r requirements.txt

Start the Server

# With the Direct runner (no external dependencies)
python main.py --debug --port 8888

# With Flink runner (if you have Flink installed)
CONFIG_PATH=config/flink_config.yaml python main.py --debug --port 8888

Run Your First Job

# Create test input
echo "This is a test file for Apache Beam WordCount example" > /tmp/input.txt

# Submit a job using curl
curl -X POST http://localhost:8888/api/v1/jobs \
  -H "Content-Type: application/json" \
  -d '{
    "job_name": "test-wordcount",
    "runner_type": "direct",
    "job_type": "BATCH",
    "code_path": "examples/pipelines/wordcount.py",
    "pipeline_options": {
      "input_file": "/tmp/input.txt",
      "output_path": "/tmp/output"
    }
  }'

Docker Support

Using Pre-built Images

Pre-built Docker images are available on GitHub Container Registry:

# Pull the latest image
docker pull ghcr.io/yourusername/beam-mcp-server:latest

# Run the container
docker run -p 8888:8888 \
  -v $(pwd)/config:/app/config \
  -e GCP_PROJECT_ID=your-gcp-project \
  -e GCP_REGION=us-central1 \
  ghcr.io/yourusername/beam-mcp-server:latest

Building Your Own Image

# Build the image
./scripts/build_and_push_images.sh

# Build and push to a registry
./scripts/build_and_push_images.sh --registry your-registry --push --latest

Docker Compose

For local development with multiple services (Flink, Spark, Prometheus, Grafana):

docker-compose -f docker-compose.dev.yaml up -d

Kubernetes Deployment

The repository includes Kubernetes manifests for deploying the Beam MCP Server to Kubernetes:

# Deploy using kubectl
kubectl apply -k kubernetes/

# Deploy using Helm
helm install beam-mcp ./helm/beam-mcp-server \
  --namespace beam-mcp \
  --create-namespace

For detailed deployment instructions, see the Kubernetes Deployment Guide.

MCP Standard Endpoints

The Beam MCP Server implements all standard Model Context Protocol (MCP) endpoints, providing a comprehensive framework for AI-managed data pipelines:

/tools Endpoint

Manage AI agents and models for pipeline processing:

# Register a sentiment analysis tool
curl -X POST "http://localhost:8888/api/v1/tools/" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "sentiment-analyzer",
    "description": "Analyzes sentiment in text data",
    "type": "transformation",
    "parameters": {
      "text_column": {
        "type": "string",
        "description": "Column containing text to analyze"
      }
    }
  }'

/resources Endpoint

Manage datasets and other pipeline resources:

# Register a dataset
curl -X POST "http://localhost:8888/api/v1/resources/" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Customer Transactions",
    "description": "Daily customer transaction data",
    "resource_type": "dataset",
    "location": "gs://analytics-data/transactions/*.csv"
  }'

/contexts Endpoint

Define execution environments for pipelines:

# Create a Dataflow execution context
curl -X POST "http://localhost:8888/api/v1/contexts/" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Dataflow Prod",
    "description": "Production Dataflow environment",
    "context_type": "dataflow",
    "parameters": {
      "region": "us-central1",
      "project": "beam-analytics-prod"
    }
  }'

These MCP standard endpoints integrate seamlessly with Beam's core functionality to provide a complete solution for managing data pipelines. For detailed examples and use cases, see the MCP Protocol Compliance.

Documentation

Python Client Example

import requests

# Get available runners
headers = {"MCP-Session-ID": "my-session-123"}
runners = requests.get("http://localhost:8888/api/v1/runners", headers=headers).json()

# Create a job
job = requests.post(
    "http://localhost:8888/api/v1/jobs",
    headers=headers,
    json={
        "job_name": "wordcount-example",
        "runner_type": "flink",
        "job_type": "BATCH",
        "code_path": "examples/pipelines/wordcount.py",
        "pipeline_options": {
            "parallelism": 2,
            "input_file": "/tmp/input.txt",
            "output_path": "/tmp/output"
        }
    }
).json()

# Monitor job status
job_id = job["data"]["job_id"]
status = requests.get(f"http://localhost:8888/api/v1/jobs/{job_id}", headers=headers).json()

CI/CD Pipeline

The repository includes a GitHub Actions workflow for continuous integration and deployment:

  • CI: Runs tests, linting, and type checking on every pull request
  • CD: Builds and pushes Docker images on every push to main/master
  • Deployment: Automatically deploys to development and production environments

Monitoring and Observability

The Beam MCP Server includes built-in support for monitoring and observability:

  • Prometheus Metrics: Exposes metrics at /metrics endpoint
  • Grafana Dashboards: Pre-configured dashboards for monitoring
  • Health Checks: Provides health check endpoint at /health
  • Logging: Structured JSON logging for easy integration with log aggregation systems

Contributing

We welcome contributions! See our Contributing Guide for details.

To run the tests:

# Run the regression tests
./scripts/run_regression_tests.sh

License

This project is licensed under the Apache License 2.0.

MCP Implementation Status

The MCP (Model Context Protocol) implementation is divided into phases:

Phase 1: Core Connection Lifecycle (COMPLETED)

  • ✅ Connection initialization
  • ✅ Connection state management
  • ✅ Basic capability negotiation
  • ✅ HTTP transport with SSE
  • ✅ JSON-RPC message handling
  • ✅ Error handling

Phase 2: Full Capability Negotiation (COMPLETED)

  • ✅ Enhanced capability compatibility checking
  • ✅ Semantic version compatibility for features
  • ✅ Support levels for features (required, preferred, optional, experimental)
  • ✅ Capability property validation
  • ✅ Capability-based API endpoint control
  • ✅ Feature router integration with FastAPI

Phase 3: Advanced Message Handling (COMPLETED)

  • ✅ Structured message types
  • ✅ Message validation
  • ✅ Improved error handling
  • ✅ Batch message processing

Phase 4: Production Optimization (TODO)

  • ⬜ Performance optimizations
  • ⬜ Monitoring and metrics
  • ⬜ Advanced security features
  • ⬜ High availability support

When building clients to interact with the MCP server, you must follow the Model Context Protocol. For details, see the MCP Protocol Compliance.

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