Yes, Cloudcrane is free to use.

How do I install Cloudcrane?

Cloudcrane is a remote plugin. You do not need to install anything locally. Add the server URL to your AI app's MCP configuration and you are ready to go.

Is Cloudcrane safe to use?

Yes. Cloudcrane passed MCP Marketplace's automated security scan with a score of 10/10 (low risk). Every server on MCP Marketplace is security-scanned before it's listed; see the full security report on this page for the findings and permissions.

What AI apps work with Cloudcrane?

Cloudcrane uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Cloudcrane MCP Server

by Cloudcrane Dev

Developer ToolsLow Risk10.0MCP RegistryRemote

Free

Server data from the Official MCP Registry

Ask your assistant for an app and it lands on your phone: offline, data on the phone.

About

Ask your assistant for an app and it lands on your phone: offline, data on the phone.

Remote endpoints: streamable-http: https://cloudcrane.ai/api/apps/mcp

Security Report

10.0

Low Risk10.0Low Risk

Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.

Endpoint verified · Requires authentication · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Found in Source Code

Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

{
  "mcpServers": {
    "ai-cloudcrane-workspace": {
      "url": "https://cloudcrane.ai/api/apps/mcp"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

CloudCrane MCP

Ask your assistant for an app, and it lands on your phone's home screen.

Your assistant writes a small app (a habit tracker, a spending log, a workout timer) and publishes it with CloudCrane. Open the link on your phone, add it to your home screen: its own icon, full screen, offline.

Your data stays on your phone. An app reaches only the sites it lists, and you see them first.
Every app has a blueprint. What it does, keeps and promises, in plain words.
Checked, and with testing on, proven. No password or card fields, no undeclared camera or location; tests run in a real browser before a version is kept.
Every version is kept. Change it by asking; go back to any version.
Build your own from anyone's. Public apps are on Explore.

Connect

One remote MCP server, Streamable HTTP (stateless, no SSE stream), with OAuth sign-in and dynamic client registration. Nothing to install.

https://cloudcrane.ai/api/apps/mcp

(https://cloudcrane.ai/api/build/mcp, the older address, is the same server.)

Add the URL with no key. The client opens a CloudCrane page where you sign in (Google or an emailed code) and pick your workspace. Once you connect, the assistant can see, make, change, roll back and delete your apps. You can sign an assistant out at any time in the dashboard.

Sign-in has been tested with Claude, ChatGPT, Cursor and Cline. Exact settings for each are in llms-install.md, which an agent can follow to set it up.

Claude: Settings → Connectors → Add custom connector with the URL above.

ChatGPT: add a custom MCP server with the URL above and choose OAuth.

Cursor (~/.cursor/mcp.json):

{ "mcpServers": { "cloudcrane": { "url": "https://cloudcrane.ai/api/apps/mcp" } } }

Cline (cline_mcp_settings.json):

{ "mcpServers": { "cloudcrane": { "transport": { "type": "streamableHttp", "url": "https://cloudcrane.ai/api/apps/mcp" } } } }

Claude plugin: this repo is also a plugin. It adds nothing but the connection to the server above: no hooks, scripts or local code. What you ask for, and the apps your assistant writes, go to CloudCrane so it can check and host them; what you save in an app stays on your phone.

Gemini CLI (an extension, from this repo):

gemini extensions install https://github.com/cloudcrane-dev/cloudcrane-mcp

Then run /mcp auth cloudcrane in Gemini CLI to sign in.

Tools

Tool	What it does
`list_apps`	Your apps, with their install links
`get_app`	An app's code
`find_in_app`	The lines of an app's code that match, to change part of a big app
`get_spec`	An app's blueprint and tests
`list_versions`	Every version, and which one is current
`list_remixes`, `get_remix`	Apps you chose to build your own of on Explore
`get_spec_guide`	How to write an app spec: the format, the catalog, worked examples
`check_publish`	A dry run of a publish: every problem, nothing stored
`publish_app`	A new app, with its blueprint; returns its install link
`update_app`	A new version: the whole file, or just the edits
`rename_app`	A new name; the address stays
`rollback_app`	Serves an earlier version again
`delete_app`	Deletes an app and every version
`publish_spec`, `update_spec`	An app from a Blackbox spec: no code, built the same every time

When it connects, the server tells the assistant how to write an app that works here. Tools that change apps are marked so, and clients like Claude ask before each call.

Try

"Make me a habit tracker for water, reading and the gym, and put it on my phone."
"Add a 'walk 20 minutes' habit to my Habits app."
"My packing list app: go back to the version from before the last change."

Things that look like a broken server

406: MCP requires Accept: application/json, text/event-stream on every POST, even though this server never sends a stream.
405 on GET: the server is stateless and offers no SSE stream, so only POST is allowed. A client that silently falls back to SSE connects but lists no tools.
403: a request from a browser (any request with an Origin header) is refused. Call it from a server or a desktop client.

Links

This repository holds documentation and the registry entry (server.json), not the server's source.

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