ai-agent

Optimize with mark-loader

Name: Optimize with mark-loader
Author: statianzo

Startup founders get Webpack performance insights using mark-loader, a JavaScript tool with 60 GitHub stars.

From the repo · “Wrap Webpack modules with performance.mark and performance.measure”

intermediate⏱ 30 minutes💵 Free (because it's open-source and self-hosted)

61 stars1 forksJavaScriptGuide quality 8/10 · reviewed Jul 1Updated 3/6/2017100% free · open source

What it is

Optimize Webpack performance with a simple JavaScript tool.

Real use case example

"A founder, Emily, wants to speed up their e-commerce app. She sets up mark-loader in her Webpack config, enables performance.mark and measure in her modules, and analyzes the performance insights. After identifying bottlenecks, Emily optimizes her code and sees a 20% increase in app loading speed."

Best insideClaude DesktopCursorCodex CLI

When to use it

•When optimizing Webpack bundle performance is crucial for your startup's web application
•When you need to identify performance bottlenecks in your Webpack configuration
•When you want to measure the execution time of specific modules in your Webpack pipeline

Ready-to-paste prompt

require('mark-loader?mark=MyModule!./MyModule.js') to wrap the MyModule module with performance metrics

Heads up: Ensure that your browser or performance monitoring tool supports the Performance API and its mark and measure methods

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/mark-loader && curl -fsSL https://workflowstacks.com/api/skills/mark-loader/claude-skill -o ~/.claude/skills/mark-loader/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How Optimize with mark-loader works

Codeflow

Free to inspect

Optimize with mark-loader is a tiny JavaScript project (~30 lines across 1 code files). Setup is light: installs like a normal app. Reading the code is optional. Last commit 117 months ago, no license file, no tests found.

Size

Tiny codebase

~30 lines · 1 code files · 2 min skim

Setup

One-command install

Installs like a normal app. Reading the code is optional.

Runs on

Node.js

No API keys detected

JavaScript 100%

Where to start reading

1
readme.md
Start here — what it does and how to install it
2
index.js
Where the program starts running
3
package.json
Dependencies and the commands it exposes

READMENo tests foundThin docsNo CINo licenseLast update 117 mo ago

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/mark-loader && curl -fsSL https://workflowstacks.com/api/skills/mark-loader/claude-skill -o ~/.claude/skills/mark-loader/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

statianzo

Language

JavaScript