spin up dev containers
in seconds

isolated docker environments for rails, flask, and next.js.
ai-powered coding with a central mcp server. no local setup required.

get started sign in

~30s

container startup

frameworks

mcp server

supported frameworks

ruby on rails

v7.1

full-stack mvc with hotwire, tailwind css, and devise auth ready to go.

postgresql redis sidekiq

flask

v3.0

python micro-framework with sqlalchemy orm, flask-login, and jinja2 templates.

sqlite wtforms celery

next.js

v14

react framework with app router, typescript, prisma orm, and tailwind v4.

typescript prisma trpc

// ai integration

one mcp, all containers

connect your ai agent once and control all your development containers. no need to configure mcp for each container - our central server handles everything.

+ execute commands across containers
+ read and write files remotely
+ manage container lifecycle
+ stream logs in real-time

mcp.json

{
  "runer": {
    "url": "https://runer.dev/mcp",
    "apiKey": "user:your-id"
  }
}

ready to start building?