Blockception Minecraft Bedrock Development vs Minecraft Bedrock Debugger

Blockception Minecraft Bedrock Development is a free extension for developing Minecraft Bedrock Addons and Minecraft Education Edition content. It supports .mcfunction, .json, .lang, and .molang files, with tools specific to each format. JSON features include validation, completions, hovers, signatures, code lens, code actions, and schemas. For .mcfunction, it provides completion, formatting, diagnostics, definition navigation, regions, symbols, syntax highlighting, and validation files; .lang tools include formatting, diagnostics, regions, symbols, and syntax highlighting. The extension can read .mcattributes, .mcdefinitions, and .mcignore project files. A setting adds Education Edition items, blocks, entities, and commands to suggestions and debugging. Other settings toggle diagnostics and selected completion options. During debugging, inline values can show variable lookups in mcfunction and Molang files, but are off by default. The extension is available for Windows, macOS, and Linux. Its earlier repository was archived on September 28, 2025, and points to Minecraft Bedrock Language Server as its successor.

Minecraft Bedrock Debugger is a free, open-source Visual Studio Code extension for developers building Minecraft Bedrock behavior packs and add-ons with JavaScript or TypeScript. It connects through script debugger commands, using port 19144 by default, and supports breakpoints, stepping, a Locals pane and watches. Developers can run Minecraft slash commands and keep shortcuts for favorite commands. Performance tools provide diagnostics and a script profiler that saves captures to a configured local path. Minecraft 1.21.10 or later can expose server statistics including entities, chunks, memory, tick time and network usage. Client diagnostics include FPS, memory, entity systems and CPU profiling, but require Minecraft’s “Enabled client diagnostics” creator setting. Scripts can add live diagnostics through the @minecraft/debug-utilities module. TypeScript projects can use source maps through sourceMapRoot and generatedSourceRoot. Dedicated Server debugging requires enabling inbound or outbound script-debugging settings in server.properties, which are disabled by default. Changing variable state and immediate mode are unsupported.