What is vtcode-battery-pack?

This repository is a curated bundle of Rust building blocks pulled from a larger project called VT Code, which is a coding agent application. Rather than depending on the whole VT Code application, a Rust developer can pull in just the pieces they need to build their own coding agent, using something called a battery pack, which is a way to bundle related Rust crates together for easy installation. The bundle includes pieces for loading configuration, shared error handling and logging helpers, macros, a bridge for connecting to the Zed editor's agent protocol, a sandboxed shell execution runner with telemetry, session state tracking, tool specifications and code search, an agent evaluation framework, and OAuth style credential storage. A developer can install the entire pack with one command, or choose only specific pieces such as configuration, shared helpers, and execution support. There is also a command to start a brand new project from a minimal starting template. The README explains that two related packages, vtcode-core and vtcode-ui, are not included in this pack yet because their published versions currently fail to compile due to a dependency issue, and because they rely on internal crates that have not been published separately. The author plans to add them once those issues are resolved. This project is aimed at Rust developers who want to build their own AI coding agent tools and would rather reuse tested components than write sandboxing, session tracking, or tool handling code from scratch. It is licensed under either the Apache License 2.0 or the MIT license, at the user's choice.