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Agent skill

Screenshot Assets

by tsingyuai in tsingyuai/growth-lab

Capture authenticated product screenshots through the repository-owned Playwright CDP script and archive them in the invoking loop's Memory.

Apache-2.0Auto-check passedTesting & QA

Install Screenshot Assets

skills CLI
$ npx skills add tsingyuai/growth-lab --skill screenshot-assets -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install tsingyuai/growth-lab screenshot-assets --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/tsingyuai/growth-lab.git skills-src && mkdir -p .claude/skills && cp -r skills-src/executors/screenshot-assets .claude/skills/screenshot-assets && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
screenshot-assets
GitHub stars
2k
Token cost
~583 tokens
SKILL.md length
218 words
Files
3 (incl. scripts)
Skills in repo
22
Repo updated
First seen
Licence
Apache-2.0

At a glance

Capture authenticated product screenshots through the repository-owned Playwright CDP script and archive them in the invoking loop's Memory.

  • Content needs truthful UI evidence
  • SKILL.md covers Preconditions, Capture and Quality and privacy
  • Runs Python scripts from its folder; calls uv
  • Reusable product screenshots

What it does

Screenshot Assets is an agent skill from tsingyuai/growth-lab. Capture authenticated product screenshots through the repository-owned Playwright CDP script and archive them in the invoking loop's Memory. Use when content needs truthful UI evidence, reusable product screenshots, a selected component, or a full-page browser capture. Requires only user-installed uv and Chrome configured by onboarding; never depends on MCP tools, external Skills, private repositories, or external scripts.

Its SKILL.md is about 580 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including scripts (for example `agents/openai.yaml` and `scripts/capture.py`).

It sits in Testing & QA, covering Browser testing. It works with Playwright. The repository describes itself as: An end-to-end growth tool that understands the product, fetch the data it needs, researches the market, executes campaigns, and reviews results to improve the next round of… The licence is Apache-2.0.

When your agent uses it

  • Content needs truthful UI evidence
  • Reusable product screenshots
  • A selected component
  • A full-page browser capture

Example prompts

  • “/screenshot-assets”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit 2d0807c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • uv

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Screenshot Assets loads about 583 tokens when it runs. Until then it costs about 111 tokens; SKILL.md has 218 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~111
When it runs · the whole SKILL.md, loaded when a task matches
~583

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from tsingyuai/growth-lab at commit 2d0807c, republished under its Apache-2.0 licence (© tsingyuai). 218 words, ~583 tokens.

Download SKILL.mdSave it as .claude/skills/screenshot-assets/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
screenshot-assets
description
Capture authenticated product screenshots through the repository-owned Playwright CDP script and archive them in the invoking loop's Memory. Use when content needs truthful UI evidence, reusable product screenshots, a selected component, or a full-page browser capture. Requires only user-installed uv and Chrome configured by onboarding; never depends on MCP tools, external Skills, private repositories, or external scripts.

Screenshot assets

Use scripts/capture.py. It connects to the user's already-running Chrome through CDP, so the user completes login in their own browser and retains control of authentication.

Preconditions

If uv, Chrome, CDP, or the target login is unavailable, invoke onboard-growth-lab. Do not look for credentials in another repository and do not inject copied tokens or cookies.

Ask for the target URL, what UI fact the screenshot must prove, output path under the invoking Model's Memory, viewport, and optional CSS selector. Never infer a staging URL or test account.

Capture

Start Chrome with remote debugging as directed by onboarding, let the user log in, then run:

bash
uv run --with playwright python executors/screenshot-assets/scripts/capture.py \
  --cdp http://127.0.0.1:9222 \
  --url "https://product.example/workspace/..." \
  --out memory/<loop>/assets/screenshots/<descriptive-name>.png \
  --width 1440 --height 900

For one stable component, add --selector '<css-selector>'. Add --wait-selector for a loading boundary and --delay-ms only when the application needs a short settling interval.

Quality and privacy

  • Capture only the minimum region needed to support the claim.
  • Inspect the output at full size. Reject loading, error, stale, clipped, blurred, or wrong-account states.
  • Redact personal data before distribution; do not capture secrets, cookies, tokens, admin panels, or unrelated user content.
  • Record source URL, capture time, viewport, selector, product version/environment, and what the screenshot demonstrates in a neighboring metadata file.
  • Do not use AI-generated UI as product evidence.
  • Store reusable screenshots once in the loop's Memory; outputs may reference them without duplicating the source asset.

© tsingyuai, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (scripts) in executors/screenshot-assets of tsingyuai/growth-lab.

  • SKILL.md
  • agents/openai.yaml
  • scripts/capture.py

Open the folder on GitHubat commit 2d0807c

Compare with similar skills

Screenshot Assets next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Screenshot Assets compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Screenshot Assets this skilltsingyuai/growth-lab2k—~583Automated safety check: PassApache-2.0
Web Application Testinganthropics/skills180k51 repos~966Automated safety check: PassApache-2.0
Playwright CLIsanity-io/sanity6.4k18 repos~1.9kAutomated safety check: PassMIT
Write and Verify Playwright Testsappsmithorg/appsmith41k—~2.9kAutomated safety check: NotesApache-2.0
playwright-cli Browser Automationgithub/gh-aw5.4k25 repos~2.8kAutomated safety check: PassMIT
Cucumber and Playwright E2E Testslanggenius/dify158k—~682Automated safety check: PassCustom licence

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  • Playwright CLI

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Works with

Categories

Questions about Screenshot Assets

What does Screenshot Assets do?

Capture authenticated product screenshots through the repository-owned Playwright CDP script and archive them in the invoking loop's Memory. Screenshot Assets is an agent skill from tsingyuai/growth-lab. Capture authenticated product screenshots through the repository-owned Playwright CDP script and archive them in the invoking loop's Memory.

When should I use Screenshot Assets?

Screenshot Assets fits situations like: content needs truthful UI evidence; reusable product screenshots; A selected component; A full-page browser capture.

How do I install Screenshot Assets in Claude Code?

Run `npx skills add tsingyuai/growth-lab --skill screenshot-assets -a claude-code`. Or copy the skill folder (executors/screenshot-assets in tsingyuai/growth-lab) into .claude/skills/screenshot-assets in your project. Claude Code loads it when a task matches its description.

How do I install Screenshot Assets in Codex?

Run `npx skills add tsingyuai/growth-lab --skill screenshot-assets -a codex`. Or copy the skill folder (executors/screenshot-assets in tsingyuai/growth-lab) into .agents/skills/screenshot-assets in your project. Codex loads it when a task matches its description.

Can I use Screenshot Assets in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add tsingyuai/growth-lab --skill screenshot-assets -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/screenshot-assets, .gemini/skills/screenshot-assets, .github/skills/screenshot-assets and .opencode/skills/screenshot-assets in your project.

What does Screenshot Assets need to run?

Going by SKILL.md and its folder, Screenshot Assets needs Python for the scripts in its folder and the command-line tools its instructions call (uv). Our summary lists: Python 3.

Does Screenshot Assets access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Screenshot Assets safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Screenshot Assets use?

Screenshot Assets is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Screenshot Assets use?

About 583 tokens (SKILL.md is roughly 2.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Screenshot Assets?

Skills that share tags, products or a category with Screenshot Assets: Web Application Testing (anthropics/skills, 180k stars), Playwright CLI (sanity-io/sanity, 6.4k stars), Write and Verify Playwright Tests (appsmithorg/appsmith, 41k stars) and playwright-cli Browser Automation (github/gh-aw, 5.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Screenshot Assets?

tsingyuai (a GitHub organization) maintains it in tsingyuai/growth-lab, which has 2,000 GitHub stars. The repository holds 22 skills in this directory. The repository was last updated on September 28, 2026.

Source: tsingyuai/growth-lab on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.