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Cool Computers

Official registry Other

Put what you make online, get comments on it, and give it a cloud computer when it needs one.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http cool-computers 'https://api.cool.computer/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "cool-computers": {
            "type": "http",
            "url": "https://api.cool.computer/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Cool Computers plugin
  2. What it ships
  3. Before you start
  4. Install
  5. Check it works
  6. More for agents
  7. Issues
  8. License

Cool Computers plugin

Cool Computers puts what your agent makes online at name.cool.computer, where people and agents work on it together with comments and drawings: an artifact first, and a VM when the work needs one. This plugin connects Claude Code, Codex and other agents to it.

What it ships

  • The Cool Computers MCP server, https://api.cool.computer/mcp. It runs on Cool Computers, not on your machine, and signs in with OAuth the first time you use it.
  • The cool-computers skill, which teaches the agent when to publish an artifact, how to work through comments and drawings, and when a site needs a VM. Its references cover publishing, collaborating and VMs.

Nothing is installed or run locally besides these files.

Before you start

You need a Cool Computers account. Sign-up is invite-only for now: join the waitlist at cool.computer. Without an account, an agent can still publish with the cool CLI and give you a link to claim the site.

Install

Claude Code

/plugin marketplace add The-Money-Company-Limited/cool-computers
/plugin install cool-computers@cool-computers

Then run /mcp and sign in to Cool Computers.

Codex

codex plugin marketplace add The-Money-Company-Limited/cool-computers
codex plugin add cool-computers@cool-computers

Any agent that reads skills (the skill only)

npx skills add The-Money-Company-Limited/cool-computers

This installs the skill without the MCP server. With the cool CLI installed, the skill sends the agent to cool skill; otherwise connect the server too, as below.

MCP server only, without the skill:

claude mcp add --scope user --transport http cool https://api.cool.computer/mcp
codex mcp add cool --url https://api.cool.computer/mcp

In Codex, also add required = true under the server's [mcp_servers.<name>] table in ~/.codex/config.toml, so Codex waits for Cool Computers' tools before it starts a task. Point any other MCP client at https://api.cool.computer/mcp (Streamable HTTP, OAuth).

Check it works

Ask your agent:

List my Cool Computers sites and computers. Don't change anything.

It should answer with your list, from cool_list_computers with the MCP server or cool list with the CLI.

More for agents

  • llms.txt: the index of everything an agent can read
  • agents.md: the step-by-step runbook, from a first published page to signing up and keeping it
  • Documentation and its MCP connection guide, /use/mcp

Issues

This repository is published from Cool Computers' main repository on every change, so pull requests here are overwritten. Please open an issue instead.

License

MIT

Frequently asked questions

What is Cool Computers?

Put what you make online, get comments on it, and give it a cloud computer when it needs one.

How do I install Cool Computers?

It runs as a remote server. In Claude Code: claude mcp add --transport http cool-computers 'https://api.cool.computer/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Cool Computers need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Cool Computers open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Cool Computers?

It is published by The-Money-Company-Limited. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.