analyze-bundle

analyze-bundle is a command for coding agents from rohitg00/awesome-claude-code-toolkit. It costs 15 tokens per session (294 once invoked), scanned A, original, Apache-2.0.

A command that examines the files sent to users by a JavaScript web application after a production build. It reports which chunks and modules take up space and checks for duplication and other size issues.

In plain words
What is it for?
Use it with webpack, Vite, Rollup, esbuild, or Parcel projects to inspect raw, minified, and gzipped sizes, source maps, tree-shaking, duplicate packages, and performance budgets.
Why use it?
It shows what makes a web page download slowly and points to code-splitting, smaller packages, or import changes that may reduce the download.

Command

Part of the bundle-analyzer plugin — 2 commands shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/rohitg00/awesome-claude-code-toolkit/analyze-bundle
Clone the repo
git clone --depth 1 https://github.com/rohitg00/awesome-claude-code-toolkit

Or install bundle-analyzer, the plugin that ships this one along with the rest of its 2 commands.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for analyze-bundle

README.md
[![agentmods](https://agentmods.dev/badge/commands/rohitg00/awesome-claude-code-toolkit/analyze-bundle.svg)](https://agentmods.dev/commands/rohitg00/awesome-claude-code-toolkit/analyze-bundle)
Your own site
<a href="https://agentmods.dev/commands/rohitg00/awesome-claude-code-toolkit/analyze-bundle"><img src="https://agentmods.dev/badge/commands/rohitg00/awesome-claude-code-toolkit/analyze-bundle.svg" alt="Measured on agentmods" height="20"></a>
Per session 15 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 294 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00015 $0.00294
Opus 5 $0.00008 $0.00147
Sonnet 5 $0.00003 $0.00059
Haiku 4.5 $0.00002 $0.00029

Measured 4d ago against content hash 6cbf2bd2b4b2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

analyze-bundle scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/bundle-analyzer/commands/analyze-bundle.md · 34 lines

What it actually says

/analyze-bundle - Analyze Frontend Bundle

Analyze JavaScript bundle size and identify optimization opportunities.

Steps

  1. Detect the build tool: webpack, Vite, Rollup, esbuild, or Parcel
  2. Run a production build with bundle analysis enabled
  3. Parse the bundle stats to identify all chunks and their sizes
  4. List the top 20 largest modules by gzipped size
  5. Identify duplicate packages included multiple times in the bundle
  6. Detect packages that could be replaced with smaller alternatives
  7. Calculate the total bundle size: raw, minified, and gzipped
  8. Break down the bundle by category: app code, node_modules, assets
  9. Check for source maps leaking to production builds
  10. Identify dynamic import opportunities for code splitting
  11. Compare against performance budgets if configured
  12. Generate a report with size breakdown, duplicates, and recommendations

Rules

  • Always report gzipped sizes as that reflects actual transfer size
  • Flag any single chunk larger than 250KB gzipped as a concern
  • Identify tree-shaking failures (importing entire libraries for one function)
  • Check for development-only code included in production builds
  • Compare against the previous build if stats are available
  • Suggest specific alternatives for oversized dependencies
  • Do not suggest removing dependencies without checking usage
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 34 lines · 15 tokens per session scan A 6cbf2bd2b4b2

Subscribe to this mod's changes

analyze-bundle is a command published in the GitHub repository rohitg00/awesome-claude-code-toolkit (2,585 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 15 tokens to every session and 294 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.