Clash Nyanpasu: A Tauri-Based Clash Client With Multiple Kernel Support

What Clash Nyanpasu Solves for Proxy Management

Clash Nyanpasu addresses a specific pain point: managing multiple Clash-compatible proxy kernels from a single desktop interface. Instead of juggling separate configuration files and command-line tools for Clash Premium, Mihomo, Clash Rust, or Meow, you get a unified GUI that handles profiles, providers, and rulesets. The target user is someone who runs a Clash-based proxy setup and wants a visual way to switch between kernels, edit rules, and manage subscriptions without touching raw YAML every time. The local-first UI means your configuration stays on your machine, which matters for privacy-conscious users who do not want their proxy settings synced to a cloud service. The project is a fork or derivative of Clash Verge, as acknowledged in the README, so it inherits a proven design while adding its own features.

The Tauri Architecture and Its Trade-Offs

Clash Nyanpasu is built on Tauri, a framework that uses a web frontend with a Rust backend. This is a deliberate choice over Electron, which is what many other Clash GUIs use. The README lists Tauri as a core dependency and describes the project as a Clash GUI based on Tauri. The implication is a smaller binary footprint and lower memory usage compared to Electron-based clients, though the README does not provide specific numbers. The trade-off is that Tauri apps rely on the system's webview, which can behave differently across operating systems. On Linux, for example, WebKitGTK may render the Material You design differently than on Windows or macOS. The development setup requires both Rust and Node.js, as the README points to Tauri prerequisites, so you need a more complex toolchain than a pure Go or JavaScript project.

Multi-Kernel Support: The Core Feature

The most distinctive feature is built-in support for four different proxy kernels: Clash Premium, Mihomo, Clash Rust, and Meow. This is not just a list for show; it means you can select which kernel handles your traffic, depending on your needs. Clash Premium is the original Go-based Clash, Mihomo is a fork with extra features, Clash Rust is a Rust implementation, and Meow is another Rust-based implementation of the Mihomo protocol. For a user, this flexibility is useful if one kernel has a bug or a performance issue, you can switch without reinstalling. However, the README does not explain how the kernel selection works in the UI or whether you can run multiple kernels simultaneously. The documentation link for profile management suggests that each profile can specify a kernel, but the exact mechanism is not detailed in the provided material.

Profile Management with YAML, JavaScript, and Lua

Clash Nyanpasu goes beyond simple profile storage. The README mentions 'Profiles management and enhancement (by YAML, JavaScript & Lua)' and links to a tutorial on proxy chains. This implies you can write scripts to transform or generate your Clash configuration. For example, a JavaScript or Lua script could take a subscription URL, parse it, and inject custom rules before the profile is loaded. This is a significant upgrade over static YAML files, because it lets you automate complex rule generation. The downside is that scripting adds a learning curve. A user who only wants to paste a subscription link may find the scripting features overwhelming, and there is no documentation in the README about the script API. You would need to visit the tutorial at nyanpasu.org to understand how to write these scripts, and the README does not provide examples.

Getting It Running: Development and Build Commands

To run Clash Nyanpasu from source, you need Rust and Node.js, plus pnpm as the package manager. The README gives a clear sequence: install dependencies with `pnpm i`, then run `pnpm prepare:check` to download the Clash binary and other dependencies. There is a comment that you can force update to the latest version with `pnpm prepare:check --force`. For development, you use `pnpm dev`, and if an app instance already exists, `pnpm dev:diff` runs it in another way. To build a release, you run `pnpm build`. These commands are straightforward, but they assume you have a working Rust toolchain and Node.js environment. The `prepare:check` step is critical because it fetches the actual Clash kernel binaries; without it, the app will not function. The README does not specify which kernel version it downloads or whether it downloads all four kernels, so you may need to check the script to know what you are getting.

Limitations and Red Flags: Inactivity and Pre-Release Status

The repository's last push was on 2023-11-11, and the most recent release listed is a pre-release from that date, while v1.6.1 is dated 2024-09-07. This is a contradiction: the last push is older than the latest release, which suggests that the release may have been tagged on a branch that did not update the default branch, or the repository history is not fully reflected in the metadata. Either way, the project appears to have low activity in its default branch. The README says 'Issue and PR welcome!' but there is no indication of active maintenance. For a proxy client, this is a concern because security vulnerabilities in the kernel or the GUI could go unpatched. Also, the latest release is a pre-release, which means it may contain bugs. Users who need a stable, production-ready tool should look elsewhere. The GPL-3.0 license is another consideration: if you plan to distribute a modified version, you must comply with copyleft obligations, which may be a barrier for commercial use.

Alternatives and How They Differ

The README itself acknowledges several alternatives. Clash Verge (zzzgydi/clash-verge) is the direct predecessor, also Tauri-based, but it is no longer maintained, and Clash Verge Rev is a fork that includes bug fixes. Clash for Windows (Fndroid/clash_for_windows_pkg) is an Electron-based GUI that supports Windows and macOS but not Linux, and it uses a single Clash kernel rather than multiple. The key difference with Clash Nyanpasu is the multi-kernel support and the scripting capability. Clash Verge Rev might be a better choice if you want a more actively maintained fork with a similar UI. Mihomo itself provides a command-line interface and a web dashboard, which is a lighter-weight alternative if you do not need a desktop app. The choice depends on whether you value the GUI's convenience or the flexibility of running a kernel directly.

Maintenance and Upgrade Cost

The maintenance cost is tied to the Tauri and Rust ecosystem. Upgrading Clash Nyanpasu means rebuilding the app and re-running `pnpm prepare:check` to fetch the latest kernel binaries. The README does not describe an auto-update mechanism, so you likely handle upgrades manually. The dependency on pnpm and Node.js for development, plus Rust for the backend, means that keeping the project up to date requires tracking changes in three ecosystems. The GPL-3.0 license means that if you modify the source and distribute it, you must release your changes under the same license. This is not necessarily a negative, but it is a constraint. Given the project's inactivity, the upgrade path is uncertain: if a new kernel version is released, you may need to fork the project yourself to update the kernel binaries. The FAQ at nyanpasu.org may answer some of these questions, but the README does not address them.

Editorial conclusion

Clash Nyanpasu is for users who want a lightweight, cross-platform Clash GUI with the flexibility to switch between Clash Premium, Mihomo, Clash Rust, and Meow kernels, and who need advanced profile scripting via YAML, JavaScript, or Lua. It is not for users who require a stable, production-grade release, as the latest release is a pre-release and the repository has been inactive since late 2023. Before adopting it, verify that the kernel binaries you need are available for your platform and that the Tauri-based build works on your OS. Check the FAQ and installation docs at nyanpasu.org for current compatibility, and consider whether the GPL-3.0 license fits your distribution plans.

Official sources

1. Official documentation
2. Official README
3. Project repository
4. Release notes