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GiggleLiu
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screenshot-cryohub

Generate a deterministic PNG screenshot of the cryohub dashboard.

32|3|Updated Feb 22, 2026
Search Tags:#automation#documentation#dashboard#screenshot#headless-chrome#cryo
One-click install
npx skills add https://github.com/GiggleLiu/cryochamber --skill screenshot-cryohub
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: screenshot-cryohub
Source: https://github.com/GiggleLiu/cryochamber/tree/main/.claude/skills/screenshot-cryohub
Command: npx skills add https://github.com/GiggleLiu/cryochamber --skill screenshot-cryohub

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires curl, python3, cargo.

What problem does it solve?

This Skill enables teams documenting cryohub to capture a deterministic PNG screenshot of the dashboard without disturbing running instances. It coordinates launching cryohub on a temporary port, waiting for readiness, launching headless Chrome with a fresh user data directory, and saving the image to a user-specified path.

Core Features & Use Cases

  • Deterministic dashboard captures: launches cryohub on a controlled port and produces a single PNG without impacting existing hubs.
  • Flexible workflow: supports selecting a chamber or the overview, with automated startup and teardown.
  • Use Case: generate README images for docs, mdbook pages, slides, or blog posts.

Quick Start

Capture a PNG of the cryohub dashboard by running the provided script and saving it to your desired path.

Frequently Asked Questions about screenshot-cryohub

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate dashboard screenshots for documentation without disrupting running instances?▼

To automate dashboard screenshots without disruption, this Skill launches a temporary instance on a non-default port, waits for readiness, and captures a deterministic PNG using headless Chrome before tearing it down.

Can I capture a specific chamber view in a dashboard screenshot?▼

Yes, you can capture a specific chamber view. The workflow supports selecting an individual chamber or the overview page when generating the dashboard screenshot.

Do I need headless Chrome to generate deterministic dashboard PNGs?▼

Yes, headless Chrome is required. The process drives a fresh Chrome user-data-dir to ensure the dashboard screenshot is deterministic and unaffected by existing browser state.

What dependencies are needed to run automated dashboard screenshot scripts?▼

Running the automated screenshot script requires curl, python3, and cargo installed in your environment to launch the instance, manage readiness, and capture the visual output.

Why does my automated dashboard capture launch on a temporary port?▼

The capture launches on a temporary port to avoid impacting existing running hubs. This controlled isolation ensures the screenshot reflects a clean state without disturbing active instances.

What is the best way to generate up-to-date dashboard images for mdbook or README files?▼

The best way to generate up-to-date dashboard images for README files or mdbook is automating a headless Chrome capture that outputs a single PNG to a specified file path.

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