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The Missing Developer UI for Spring Boot and Quarkus

BootUI, a new open-source developer console from Julien Dubois, adds an embedded, local-only UI to Spring Boot 4 and Quarkus applications, serving a shared Vue interface and REST contract from a framework-neutral engine. The tool activates only in local development and includes an opt-in Model Context Protocol server for AI coding agents like GitHub Copilot and Claude Code, plus integration with Coffilot, a GitHub Copilot canvas extension. BootUI is licensed under Apache License 2.0.

read1 min views1 publishedAug 10, 2026
The Missing Developer UI for Spring Boot and Quarkus
Image: source

BootUI adds an embedded, local-only developer console to your application. It runs on Spring Boot 4 (servlet or WebFlux) and Quarkus, serving the same Vue UI and REST contract (/bootui

and /bootui/api/**

by default, configurable with bootui.path

/ bootui.api-path

) from a shared, framework-neutral engine — add the matching Spring Boot starter or the Quarkus extension and BootUI activates only in local development.

Read the documentation at https://www.julien-dubois.com/boot-ui/.

Topic Link
Setup

https://www.julien-dubois.com/boot-ui/featureshttps://www.julien-dubois.com/boot-ui/propertieshttps://www.julien-dubois.com/boot-ui/ai-agentshttps://www.julien-dubois.com/boot-ui/try-sample-apphttps://www.julien-dubois.com/boot-ui/repositoryBootUI exposes a local, opt-in Model Context Protocol server so AI coding agents (GitHub Copilot, Claude Code, …) can run its advisors and read runtime diagnostics while fixing your code. It also pairs with Coffilot, a GitHub Copilot canvas extension that builds, runs, and scans your

app from the GitHub Copilot App's side panel. See the [AI agents guide](https://www.julien-dubois.com/boot-ui/ai-agents).

Licensed under the [Apache License, Version 2.0](/jdubois/boot-ui/blob/main/LICENSE).
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