[FREE] MCP Extension: Connect Coding Agents (Claude Code, etc.) directly to App Inventor

Extensions
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I built an MCP extension that lets coding agents like Claude Code or Cursor interact directly with your MIT App Inventor projects.

Why I built this

The current "workflow" for getting AI help with App Inventor is slow. You usually have to screenshot your blocks and UI, paste them into an LLM, wait for a fix, and then manually recreate it. It’s a massive bottleneck, especially for people just starting to learn programming who need a fast feedback loop.

How it works

This tool removes that friction by letting the AI directly read your project state and create blocks for you through an MCP server. No more manual uploading—just a direct connection between your agent and your workspace.

Open Source & Support

I’ve made this project open source. If you find it useful, please consider leaving a ‘:star:’ on the repo or contributing to the code.

GitHub Link: https://github.com/rhyumiranda/appinventor-mcp

I'm looking forward to hearing your thoughts or seeing what you build with it! :grinning_face_with_smiling_eyes:

2 Likes
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From the Github page

A Chrome extension that exposes MIT App Inventor's internal APIs as an MCP server. AI agents like Claude Code send structured tool calls; the extension translates them into live JS injections inside App Inventor.

As this is not an App Inventor Extension probably category Extensions is not rhe correct one?

Could you please provide an example App Inventor project and a screenshot of some blocks how your Chrome extension could be used in an App Inventor project

Taifun