audit-bundle-size SKILL.md skillA
This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.
audit-bundle-size from kensaurus/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add kensaurus/skills/audit-bundle-size@git:20261001.51b58c8Pins git:20261001.51b58c8 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- kensaurus/skills
- Path
skills/audit-bundle-size/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261001.51b58c8, committed Oct 1, 2026
- First version recorded
- Aug 28, 2026
- Size
- 10,627 bytes
- Repository stars
- 9
- License
- MIT
Analyse and shrink a web app's JavaScript bundle. Use when "reduce bundle size", "code splitting", "slow initial load", or "why is the bundle so big". Runtime → audit-performance.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# audit-bundle-size — Find and Eliminate Bundle Bloat **Degree of freedom: MIXED** — Offender triage and swap choice `[HIGH freedom]`; Phase 1 production build + analyser `[LOW freedom — run exactly]`. > **Audit-and-fix exception.** Measure the payload, then shrink it. Runtime > slowness → `audit-performance`. > > Fix only what the measurement named, in the files it named; a repo-wide > dependency sweep the report did not list is a different session. Edit > surgically — the offending import, `dynamic()` boundary, or chunk config — > rather than rewriting whole files. Pre-existing bugs met on the way go in > the report as follow-ups. Add or change tests only where the repo already > keeps them for that surface; scratch checks and generated analyser reports > (`client.html`, `bundle-report.html`) stay out of the commit. An > `ANALYZE=true`-guarded analyser config stays only if the repo already keeps one. **Every kilobyte of JavaScript the browser must download, parse, and compile before showing anything costs real users real time.** A large initial bundle is the #1 avoidable cause of slow LCP and poor Core Web Vitals. Find exactly what is bloating it and fix each item. …
Read the whole file at its exact version.
How to install
mdr add kensaurus/skills/audit-bundle-size@sha256:25f4d46517522adbThe line at the top of this page pins the label git:20261001.51b58c8, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_ovil6oqokkogx6yt)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Aug 28, 2026 and Oct 1, 2026, about one every 8 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261001.51b58c8 latest | 2026-10-01 | 51b58c8 | 10,627 B | A | view · diff |
| git:20260923.938ff43 | 2026-09-23 | 938ff43 | 10,695 B | A | view · diff |
| git:20260923.68c095e | 2026-09-23 | 68c095e | 10,702 B | A | view · diff |
| git:20260923.cf348bd | 2026-09-23 | cf348bd | 10,767 B | A | view · diff |
| git:20260828.284b0b3 | 2026-08-28 | 284b0b3 | 10,136 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (10627 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
kensaurus/skills · 9 stars · license MIT · pushed 2026-10-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ovil6oqokkogx6yt GET https://markdownregistry.com/api/v1/resolve?ref=kensaurus/skills/audit-bundle-size GET https://markdownregistry.com/api/v1/blob/25f4d46517522adb5bae826eb0fc7dcd3c10f9d0181300413ef78a019601754d
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
More from kensaurus/skills
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