English Français العربية

GrowBlocks Dev Kit

Official registry Search and web

Build, play-test with screenshots, and ship three.js browser games on GrowBlocks.

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).

NPM package growblocks
Claude Code 
claude mcp add growblocks-dev-kit -- npx -y growblocks@1.2.0 mcp
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "growblocks-dev-kit": {
            "command": "npx",
            "args": [
                "-y",
                "growblocks@1.2.0",
                "mcp"
            ]
        }
    }
}

Documentation

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

Contents
  1. GrowBlocks Dev Kit for Claude, Cursor and other AI assistants
  2. Install
  3. Tools
  4. Layout

GrowBlocks Dev Kit for Claude, Cursor and other AI assistants

Make a browser game with an AI assistant and ship it on GrowBlocks: three.js, Rapier physics, characters, multiplayer rooms and hosting, with no setup.

The assistant reads the API, writes game.js, plays the game headless and looks at a screenshot after every change, reuses parts other developers published (blocks), and pushes an unlisted test build you can share. Nothing goes public until you submit it and GrowBlocks reviews it.

Install

Claude Code (plugin: tools + skill)

/plugin marketplace add Gioluan/growblocks-devkit
/plugin install growblocks@growblocks

Claude Code (just the MCP server)

claude mcp add growblocks -- npx -y growblocks mcp

Claude Desktop: download growblocks.mcpb from the latest release and open it.

Cursor / Windsurf / any MCP client

{ "mcpServers": { "growblocks": { "command": "npx", "args": ["-y", "growblocks", "mcp"] } } }

Terminal: npx growblocks new my-game, then npx growblocks help.

Then ask: "Make me a GrowBlocks game where frogs race across lily pads", or use the make_game prompt.

Tools

ToolWhat it does
growblocks_docsThe Dev Kit API (or one section of it)
growblocks_checkStatic checks; with play it plays the game headless and returns a screenshot
growblocks_new_gameA new game folder from the starter kit
growblocks_blocks, growblocks_block_info, growblocks_add_blockFind and add published blocks (their authors earn when your game ships them)
growblocks_login, growblocks_whoamiSign in with a code you confirm in your browser
growblocks_create_game, growblocks_link_game, growblocks_update_gameMake the game on GrowBlocks and set its name, logo and details
growblocks_pushUpload an unlisted test build and get its link
growblocks_status, growblocks_gamesBuilds, links and the review note
growblocks_submit, growblocks_publish_blockOnly when you ask: submit for review, publish a block

Every tool takes dir, the game folder. Prompts: make_game, ship_game. Resources: llms.txt, gb.d.ts.

Money (collections, the coin, earnings) never goes through the assistant: it stays in your browser at growblocks.xyz. Developers keep 70% of the fees their game generates.

Layout

  • .claude-plugin/marketplace.json: this repo as a Claude Code plugin marketplace
  • plugins/growblocks/: the plugin (.mcp.json runs npx growblocks@1.2.0 mcp, pinned so every install runs the reviewed version, plus the growblocks-game skill)
  • desktop/: the Claude Desktop extension; build it with npx @anthropic-ai/mcpb pack desktop growblocks.mcpb
  • server.json: the entry for the official MCP Registry
  • TERMS.md: the Dev Kit terms

The server is one dependency-free file, growblocks.mjs, published on npm as growblocks.

Frequently asked questions

What is GrowBlocks Dev Kit?

Build, play-test with screenshots, and ship three.js browser games on GrowBlocks.

How do I install GrowBlocks Dev Kit?

It runs on your machine. In Claude Code: claude mcp add growblocks-dev-kit -- npx -y growblocks@1.2.0 mcp. For other clients, paste the JSON configuration from this page into their MCP settings.

Does GrowBlocks Dev Kit 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 GrowBlocks Dev Kit open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains GrowBlocks Dev Kit?

It is published by Gioluan. 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.