Introducing Claude Engineer V3 🚀 The first self-improving assistant capable of not just running tools, but creating them on the fly whenever needed! Want a web scraping tool? Just ask Claude, and it will build one for you.

This is my most ambitious release yet. I started exploring self-improving frameworks a few months ago, and after lots of usage and testing, it does feels like the future of computing.

Claude becomes an extension of my thoughts. When I ask it to do something beyond its capabilities, it doesn’t stop—it builds the tools needed to get the job done.

At one point during development, it ran into an error with one of the tools it built. It then searched the web, found the right package, and fixed it.

This release includes a range of pre-built tools to facilitate all regular coding tasks, along with extras like a screenshot tool to provide context, web search functionality, linting, and more. Even a tool to let Claude run python code safely using the @e2b_dev apis.

Tools are essentially swappable files placed in the tools folder (which Claude automatically detects without changes to the prompt).

I hope you enjoy this release! If you discover any useful tools Claude creates—or if you develop your own—feel free to submit a PR.

Oh, and this version also comes with a UI! For those who prefer not to use the CLI app, the interface makes it even more accessible.

Lastly, Claude Engineer now runs on UV by @charliermarsh, simplifying Python installation. When Claude creates a new tool and detects a missing dependency, it will automatically use its UV package manager to install it. Magic. 🪄

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Hmm. Since Cursor agent can now call arbitrary python code. I wonder if these tools could also be adapted to be plugged in and used as tools by cursor? cc @hive_echo I think all that you need is a way to convert the tools you have into trigger CLI compatible & returnable calls

@hive_echo Yeah I think this is super feasible!