Cloud Coding AI
Sean Sullivan · Coding
Cloud Coding AI was a browser tool that ran Claude Code inside a cloud VM sandbox, letting you chain prompts into reusable templates and fire off coding tasks without touching a local terminal.
About Cloud Coding AI
What Is Cloud Coding AI
Cloud Coding AI was a web app built by indie developer Sean Sullivan that wrapped Anthropic's Claude Code in a cloud-hosted virtual machine, presenting it as a lightweight AI coding assistant you drive from a browser. Instead of installing a coding agent on your own laptop, you opened a browser tab, described a task, and watched an AI agent work through it inside a disposable sandbox.
The pitch was cost control. You could see a run's workflow before it started, which made spending easier to predict than the flat-fee subscriptions of rivals like Cursor or a raw Claude Code plan. The tool also offered model selection, parallel agents, file system navigation, and local checkpointing, so a run that went sideways could be rolled back.
The catch is simple and worth stating up front. The site is no longer maintained. Sullivan announced he now uses Claude Code on the web and recommends it instead, saying he believes the market already offers a better deal. The product had a short life, and anyone searching for it today finds a shutdown notice rather than a live app.
Getting Started
- Sign up at cloudcoding.ai and open the web chat interface.
- Create a template that lists the prompts you want Claude Code to run in order, such as writing a plan and then implementing it.
- Choose a model and launch the run inside its VM sandbox.
- Review the output, roll back to a checkpoint if needed, or open a new parallel run.
Product Information
A quick look at Cloud Coding AI's pricing, supported platforms, and performance.
Best for
The users, tasks, and scenarios where this tool fits best.
Users
- Solo developers testing AI coding agents
- Cost-conscious indie hackers
- Teams studying workflow automation
Tasks
- Running a plan-then-build sequence
- Automating repetitive repo chores
- Exploratory prototyping
Scenarios
- Evaluating coding agents before paying for one
- Working from a thin client
- Teaching prompt chaining
Key features
Reusable Prompt Templates
The signature feature let you script Claude Code by stacking prompts into a template. You might define step one as "write a plan" and step two as "implement the plan," then launch the whole chain in one run. That turned a loose back-and-forth into a repeatable recipe you could reuse or trigger later.
Cloud VM Sandbox
Every run happened inside a virtual machine in the cloud rather than on your own hardware. Isolation kept the agent's file edits and command execution away from your real machine, and it meant a modest laptop was enough to take part.
Parallel Agents
Cloud Coding AI could run several agents at once, so you weren't stuck waiting on one task to finish before starting another. For anyone juggling multiple changes, that overlap was the point.
Model Selection
You could pick which underlying model powered a run. Different tasks rewarded different models, and swapping them gave you a way to trade speed against quality without leaving the app.
Checkpointing and File Navigation
Local checkpointing recorded progress so a bad run could be reverted instead of rebuilt from scratch. A file system browser rounded out the package, letting you see and move around the files an agent created or changed.
Predictable Per-Run Costs
Because you controlled the workflow the agent followed, spending was easier to forecast than a flat subscription that quietly drains. Sullivan argued this made it cheaper than alternatives he tested, and new accounts started with free credits.
Pros and cons
Pros
- Ran a full coding agent in the browser, no local install required
- Templates made multi-step prompts reusable instead of one-off chats
- Sandbox isolation kept agent activity away from your own machine
- Per-run visibility made costs easier to predict than a flat fee
- Free starting credits lowered the cost of trying it out
Cons
- The service is discontinued, so you cannot sign up or run tasks today
- Pricing beyond the initial free credits was never fully documented
- As a small solo project, it lacked the support and polish of funded rivals
- Its core idea, cloud coding agents, now overlaps with features built into Claude Code and Cursor
Frequently asked questions
It was a web tool that ran Anthropic's Claude Code inside a cloud VM sandbox. You scripted prompts into templates and launched coding tasks from a browser instead of a local terminal.
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