Rsdoctor

An MCP server that provides build analysis and optimization recommendations for Rspack projects.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "rsdoctor": {
      "command": "npx",
      "args": [
        "-y",
        "rsdoctor"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

Rsdoctor

English | 简体中文

Rsdoctor is a build analyzer tailored for projects built with Rspack.

Rsdoctor is committed to being a one-stop, intelligent build analyzer that makes the build process transparent, predictable, and optimizable through visualization and smart analysis, helping development teams precisely identify bottlenecks, optimize performance, and improve engineering quality.

For webpack projects, continue using Rsdoctor 1.x or migrate to Rspack. See the migration guide for details.

🔥 Features

Compilation Visualization: Rsdoctor visualizes the compilation behavior and time consumption, making it easy to view build issues.
Multiple Analysis Capabilities: Rsdoctor supports build artifact, build-time analysis, and anti-degradation capabilities:
- Build artifact support for resource lists and module dependencies, etc.
- Build-time analysis supports Loader, Plugin, and Resolver building process analysis
- Build rules support duplicate package detection and ES Version Check, etc.
Support Custom Rules: In addition to built-in build scan rules, Rsdoctor also supports users adding custom component scan rules based on the build data of Rsdoctor.

📚 Getting started

To get started with Rsdoctor, see the Quick Start.

🤝 Contribution

New contributors welcome!

Please read the Contributing Guide.

🧑‍💻 Community

Come and chat with us on Discord! The Rstack team and users are active there, and we're always looking for contributions.

🦀 Rstack

Rsdoctor is part of Rstack, the fast, unified JavaScript toolchain for developers and agents.

Name	Description	Version
Rspack	Bundler
Rsbuild	Build tool
Rslib	Library development tool
Rspress	Static site generator
Rsdoctor	Build analyzer
Rstest	Testing framework
Rslint	Linter

🙌 Code of conduct

This repo has adopted the ByteDance Open Source Code of Conduct. Please check Code of Conduct for more details.

🙏 Credits

Some of the implementation of Rsdoctor refers to the excellent projects in the community, and we would like to thank them:

bundle-stats is an excellent tool for analyzing build artifacts, and Rsdoctor is inspired by it in terms of build analysis.
webpack-bundle-analyzer is a classic tool for analyzing Webpack, and Rsdoctor is inspired by it in terms of build artifact analysis. Rsdoctor also uses its classic treemap visualization.
Statoscope is an excellent tool for analyzing build artifacts, and Rsdoctor is inspired by it in terms of build analysis.
Webpack Team and Community have created an excellent bundling tool and a rich ecosystem.
vite-plugin-inspect has inspired Rsdoctor's exploration of build process analysis.

This Rsdoctor website is powered by Netlify.

📖 License

Rsdoctor is licensed under the MIT License.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Rsdoctor

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "rsdoctor": { "command": "npx", "args": ["-y", "rsdoctor"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Rsdoctor →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

Rsdoctor

English | 简体中文

Rsdoctor is a build analyzer tailored for projects built with Rspack.

For webpack projects, continue using Rsdoctor 1.x or migrate to Rspack. See the migration guide for details.

🔥 Features

Compilation Visualization: Rsdoctor visualizes the compilation behavior and time consumption, making it easy to view build issues.
Multiple Analysis Capabilities: Rsdoctor supports build artifact, build-time analysis, and anti-degradation capabilities:
- Build artifact support for resource lists and module dependencies, etc.
- Build-time analysis supports Loader, Plugin, and Resolver building process analysis
- Build rules support duplicate package detection and ES Version Check, etc.
Support Custom Rules: In addition to built-in build scan rules, Rsdoctor also supports users adding custom component scan rules based on the build data of Rsdoctor.

📚 Getting started

To get started with Rsdoctor, see the Quick Start.

🤝 Contribution

New contributors welcome!

Please read the Contributing Guide.

🧑‍💻 Community

Come and chat with us on Discord! The Rstack team and users are active there, and we're always looking for contributions.

🦀 Rstack

Rsdoctor is part of Rstack, the fast, unified JavaScript toolchain for developers and agents.

Name	Description	Version
Rspack	Bundler
Rsbuild	Build tool
Rslib	Library development tool
Rspress	Static site generator
Rsdoctor	Build analyzer
Rstest	Testing framework
Rslint	Linter

🙌 Code of conduct

This repo has adopted the ByteDance Open Source Code of Conduct. Please check Code of Conduct for more details.

🙏 Credits

Some of the implementation of Rsdoctor refers to the excellent projects in the community, and we would like to thank them:

bundle-stats is an excellent tool for analyzing build artifacts, and Rsdoctor is inspired by it in terms of build analysis.
webpack-bundle-analyzer is a classic tool for analyzing Webpack, and Rsdoctor is inspired by it in terms of build artifact analysis. Rsdoctor also uses its classic treemap visualization.
Statoscope is an excellent tool for analyzing build artifacts, and Rsdoctor is inspired by it in terms of build analysis.
Webpack Team and Community have created an excellent bundling tool and a rich ecosystem.
vite-plugin-inspect has inspired Rsdoctor's exploration of build process analysis.

This Rsdoctor website is powered by Netlify.

📖 License

Rsdoctor is licensed under the MIT License.