Enables AI agents to create, compile, and run Scratch projects by editing plain text and using a live editor loop.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening
Playwright downloads and installs browsers without verifying the authenticity of the SSL certificate
JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases
js-yaml has prototype pollution in merge (<<)
process.env. You'll be asked to provide them before it can run.SCRATCH_MCP_HEADLESS— The editor browser tab launches lazily on the first reload/import_sb3 and stays open for the session, so changes appear live. Set =1 to run it without a visible window.SCRATCH_MCP_PROJECTS_DIR[](https://m8ven.ai/mcp/fromarkzoo-scratch-mcp-y9hkxu)