A
securityA
licenseA
qualityA dynamic service that creates and manages Model Context Protocol (MCP) servers, allowing users to spawn, customize, and control multiple MCP servers as child processes.
Last updated -
5
4
95
MIT License
Manages Django database migrations in distributed environments by wrapping Django's migration commands as MCP endpoints, providing functionality to check migration status, create new migrations, and apply migrations with additional validation and safety checks.
Provides containerized deployment options with various configurations for running the MCP service, including development, testing, and production environments with appropriate network setups.
Enables CI/CD pipeline integration for automating migration checks on pull requests, particularly when model or migration files are modified.
Integrates with Redis for MCP server communication, allowing the Django migrations service to use Redis as a transport layer for message passing in distributed environments.
Django Migrations MCP Service
A Model Context Protocol (MCP) service for managing Django migrations in distributed environments. This service wraps Django's migration commands and exposes them as MCP endpoints, making it easy to manage migrations across multiple services and integrate with CI/CD pipelines.
Features
Check migration status (equivalent to
showmigrations)Create new migrations with validation (equivalent to
makemigrations)Apply migrations with safety checks (equivalent to
migrate)Additional validation and safety checks:
Sequential migration order verification
Conflict detection
Dependency validation
Safety analysis of migration operations
Installation
Local Development
Clone the repository:
git clone https://github.com/mrrobotke/django-migrations-mcp.git
cd django-migrations-mcp
Install dependencies:
pip install -r requirements.txt
Configuration
Set the following environment variables:
export DJANGO_SETTINGS_MODULE="your_project.settings"
export MCP_SERVICE_PORT=8000 # Optional, defaults to 8000
Usage
Running the Service
Directly with Python:
python -m migrations_mcp.service
Using Docker:
docker build -t django-migrations-mcp .
docker run -e DJANGO_SETTINGS_MODULE=your_project.settings \
-v /path/to/your/django/project:/app/project \
-p 8000:8000 \
django-migrations-mcp
MCP Endpoints
Show Migrations:
from mcp import MCPClient
client = MCPClient()
migrations = await client.call("show_migrations")
Make Migrations:
result = await client.call("make_migrations", {
"app_labels": ["myapp"], # Optional
"dry_run": True # Optional
})
Apply Migrations:
result = await client.call("migrate", {
"app_label": "myapp", # Optional
"migration_name": "0001", # Optional
"fake": False, # Optional
"plan": True # Optional
})
CI/CD Integration
Example GitHub Actions workflow:
name: Django Migrations Check
on:
pull_request:
paths:
- '*/migrations/*.py'
- '*/models.py'
jobs:
check-migrations:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Set up Python
uses: actions/setup-python@v2
with:
python-version: '3.11'
- name: Install dependencies
run: |
pip install -r requirements.txt
- name: Start MCP service
run: |
python -m migrations_mcp.service &
- name: Check migrations
run: |
python ci/check_migrations.py
Example check_migrations.py script:
import asyncio
from mcp import MCPClient
async def check_migrations():
client = MCPClient()
# Check current status
migrations = await client.call("show_migrations")
# Try making migrations
result = await client.call("make_migrations", {"dry_run": True})
if not result.success:
print(f"Error: {result.message}")
exit(1)
print("Migration check passed!")
if __name__ == "__main__":
asyncio.run(check_migrations())
Development
Running Tests
pytest migrations_mcp/tests/
Code Style
The project follows PEP 8 guidelines. Format your code using:
black migrations_mcp/
isort migrations_mcp/
License
MIT License. See LICENSE file for details.
Contributing
Fork the repository
Create your feature branch (
git checkout -b feature/amazing-feature)Commit your changes (
git commit -m 'Add amazing feature')Push to the branch (
git push origin feature/amazing-feature)Open a Pull Request
Docker Usage
The project includes a docker-commands.json file that provides structured commands for different deployment scenarios. You can use these commands directly or parse them in your scripts.
Available Docker Configurations
Redis MCP Server
# Run Redis MCP server
docker run -i --rm mcp/redis redis://host.docker.internal:6379
Django Migrations MCP Server
# Basic setup
docker run -d \
--name django-migrations-mcp \
-e DJANGO_SETTINGS_MODULE=your_project.settings \
-e MCP_SERVICE_PORT=8000 \
-v /path/to/your/django/project:/app/project \
-p 8000:8000 \
django-migrations-mcp
# With Redis integration
docker run -d \
--name django-migrations-mcp \
-e DJANGO_SETTINGS_MODULE=your_project.settings \
-e MCP_SERVICE_PORT=8000 \
-e REDIS_URL=redis://host.docker.internal:6379 \
-v /path/to/your/django/project:/app/project \
-p 8000:8000 \
--network host \
django-migrations-mcp
Development Environment
# Using docker-compose
docker-compose up -d --build
Testing Environment
# Run tests in container
docker run --rm \
-e DJANGO_SETTINGS_MODULE=your_project.settings \
-e PYTHONPATH=/app \
-v ${PWD}:/app \
django-migrations-mcp \
pytest
Production Environment
# Production setup with health check
docker run -d \
--name django-migrations-mcp \
-e DJANGO_SETTINGS_MODULE=your_project.settings \
-e MCP_SERVICE_PORT=8000 \
-e REDIS_URL=redis://your-redis-host:6379 \
-v /path/to/your/django/project:/app/project \
-p 8000:8000 \
--restart unless-stopped \
--network your-network \
django-migrations-mcp
Using the Commands Programmatically
You can parse and use the commands programmatically:
import json
import subprocess
# Load commands
with open('docker-commands.json') as f:
commands = json.load(f)
# Run Redis MCP server
redis_config = commands['mcpServers']['redis']
subprocess.run([redis_config['command']] + redis_config['args'])
# Run Django Migrations MCP server
django_config = commands['mcpServers']['djangoMigrations']
subprocess.run([django_config['command']] + django_config['args'])
Network Setup
Development Network
docker network create mcp-dev-network
Production Network
docker network create --driver overlay --attachable mcp-prod-network
Using MCP Tools
The service exposes several endpoints that can be accessed via curl or any HTTP client:
Show Migrations
curl -X POST http://localhost:8000/mcp \
-H "Content-Type: application/json" \
-d '{"method": "show_migrations"}'
Make Migrations
curl -X POST http://localhost:8000/mcp \
-H "Content-Type: application/json" \
-d '{"method": "make_migrations", "params": {"apps": ["your_app"]}}'
Apply Migrations
curl -X POST http://localhost:8000/mcp \
-H "Content-Type: application/json" \
-d '{"method": "migrate", "params": {"app": "your_app"}}'
This server cannot be installed
hybrid server
The server is able to function both locally and remotely, depending on the configuration or use case.
A Model Context Protocol service that wraps Django's migration commands as MCP endpoints, making it easy to manage migrations across multiple services and integrate with CI/CD pipelines.
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