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Revolutionizing CLI Management: Shards to Kilt

Explore how 'Shards', now 'Kilt', transforms CLI management with Rust and GPUi.

Written by AI. Bob Reynolds

January 27, 2026

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Revolutionizing CLI Management: Shards to Kilt

Photo: Rasmus Widing / YouTube

Navigating the New Horizons of CLI Management: Shards Renamed to Kilt

In the world of software development, managing multiple command-line interfaces (CLIs) can be as chaotic as herding cats. Enter 'Shards', a tool now rebranded as 'Kilt', designed to streamline this process by offering a unified interface for various AI coding agents like Claude Code, Codex, Kiro, Gemini CLI, and Aider.

A Unified Interface for Diverse Agents

The primary draw of Kilt lies in its ability to manage multiple agents from a single, cohesive interface, eliminating the terminal chaos that developers often face. As Rasmus Widing, the creator, demonstrated, Kilt allows users to "add projects, create agents, and track status" seamlessly. The tool's ability to run each agent in an isolated git worktree ensures no conflicts arise, a feature that sets it apart from competitors like Cursor or Windsurf, which suffer from vendor lock-in.

Built in Rust: Performance and Reliability

Kilt is developed natively in Rust using GPUi, which Widing claims enhances performance significantly. Rust's reputation for safety and concurrency makes it a wise choice for developing a tool that aims to manage complex workflows efficiently. The use of GPUi (Graphics Processing Unit Interface) further suggests a focus on optimizing graphical performance, although the specifics of its implementation remain somewhat opaque.

The Significance of the Name Change

Originally called 'Shards', the tool was recently renamed to 'Kilt' due to "naming conflicts," as Widing notes. The new name draws from the Estonian word for 'shard', which may reflect a need to distinguish the product in a crowded market. However, the exact nature of these conflicts isn't detailed, leaving room for speculation about the competitive pressures in the realm of CLI management tools.

A Vision for the Future

Widing's roadmap for Kilt is ambitious. The future iterations of the tool aim to incorporate embedded terminals and a keyboard-first interface, allowing for a more intuitive and efficient user experience. From the video, it's clear that Widing plans to develop these features in phases, with the long-term vision of integrating a grid view for terminals, enhancing the ability to manage multiple workflows simultaneously.

Challenges and Opportunities

While Kilt's promise is significant, the tool is not without its teething issues. The video highlights some "filtering bugs" and incomplete features like copy-paste functionality. However, these are acknowledged as part of the development process, with Widing inviting user feedback to refine the tool.

Why Kilt Matters

In an era where development environments are increasingly complex, Kilt offers a solution that could simplify and enhance productivity. Its focus on avoiding vendor lock-in and providing a flexible, user-driven interface marks it as a tool to watch. As the software evolves, its ability to stay ahead of user needs while integrating new technologies will determine its ultimate success.

The shift from Shards to Kilt symbolizes more than just a name change; it's a step towards redefining how developers interact with their tools. As Widing continues to develop Kilt, one can't help but wonder how this tool will influence the broader landscape of software development.

Bob Reynolds, Senior Technology Correspondent

Watch the Original Video

This AI Agent Manager Just Changed How Developers Work With Multiple CLIs

This AI Agent Manager Just Changed How Developers Work With Multiple CLIs

Rasmus Widing

15m 11s
Watch on YouTube

About This Source

Rasmus Widing

Rasmus Widing

Rasmus Widing is a YouTube content creator exploring the cutting-edge intersection of AI and coding workflows. With a background as a product manager who learned to code through AI tools, Widing brings a fresh perspective to the evolving landscape of AI-enhanced programming. Despite the lack of publicly available subscriber data, Widing’s channel serves as a vital resource for tech enthusiasts eager to delve into parallel AI development and AI coding infrastructure. The channel, active for about five months, offers insights into how AI is reshaping the programming paradigm.

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