An AI-powered tool that analyzes bundle size and provides actionable suggestions to reduce bloat in your JavaScript applications.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install bundle-analyzer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install bundle-analyzer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Bundle Checker?
Bundle Checker is a specialized diagnostic tool designed for modern web developers who need to keep their application bundles lean and fast. As part of the Openclaw Skills ecosystem, it eliminates the guesswork involved in performance optimization by scanning your build outputs and identifying the exact dependencies or files causing bloat.
By leveraging AI analysis, this tool goes beyond simple size reporting. It provides intelligent recommendations, such as suggesting lighter library alternatives or pinpointing missed tree-shaking opportunities. This ensures your Openclaw Skills workflow remains efficient and your final product delivers a superior user experience with minimal load times.
Bundle Checker Use Cases
- Resolving slow initial page loads caused by oversized JavaScript bundles.
- Evaluating the performance impact of a new NPM dependency before merging it into production.
- Conducting performance audits to identify hidden technical debt within build assets.
- Debugging CI/CD pipeline failures related to bundle size budget constraints.
How Bundle Checker Works
- The tool scans your local package.json and build artifacts to map the project dependency tree.
- It identifies heavy modules and analyzes the composition of the production bundle to find inefficiencies.
- The structural data is processed by GPT-4o-mini to recognize common bloat patterns and optimization targets.
- A detailed report is generated with specific actionable fixes, such as dynamic imports or library swaps.
Bundle Checker Setup
To start using this tool within your Openclaw Skills environment, ensure you have Node.js 18+ installed. No manual installation is required as it runs via npx.
# Set your OpenAI API Key environment variable
export OPENAI_API_KEY='your_api_key_here'
# Run the checker on your current project
npx ai-bundle-check
Bundle Checker Data Schema & Taxonomy
The skill organizes its analysis by mapping project dependencies and build output metadata into a readable format:
| Component | Description |
|---|---|
| Dependency Map | A breakdown of all project dependencies and their relative sizes in the bundle. |
| Bloat Analysis | AI-generated metadata identifying unnecessary code patterns or redundant libraries. |
| Optimization Report | Actionable suggestions for tree-shaking, code splitting, and alternative package usage. |
| Path Metadata | Size tracking information for specific project directories or build artifacts. |
Bundle Checker Advanced Features
- Verbose mode (
--verbose) for deep-dive dependency breakdowns and granular structural analysis. - Custom directory targeting to analyze specific micro-frontends or sub-packages within a monorepo.
- Seamless integration into CI pipelines for automated size regression monitoring using Openclaw Skills.
- Intelligent library alternative suggestions tailored to reduce the footprint of popular but heavy packages.
SKILL.md
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