verify-with-playwright

verify-with-playwright is a skill for Claude Code from aiatelie/ai-atelie. It costs 88 tokens per session (3,518 once invoked), scanned C, original, MIT.

A browser-checking workflow that tests a running AI Atelie development server and saves screenshots, video, and browser traces as evidence. A development server is the local version of a web application used while building it.

In plain words
What is it for?
Use it to verify web pages, the editor canvas, chat, toolbars, or other visible behaviour after a change.
Why use it?
It helps confirm that user-visible web changes work in a real browser and provides files that others can inspect.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: reads .claude/ paths.

Good fit Use it to verify web pages, the editor canvas, chat, toolbars, or other visible behaviour after a change.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aiatelie/ai-atelie/verify-with-playwright
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.

Any agent
npx skills add aiatelie/ai-atelie --skill verify-with-playwright
Clone the repo
git clone --depth 1 https://github.com/aiatelie/ai-atelie

Made for: Claude Code.

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 verify-with-playwright

README.md
[![agentmods](https://agentmods.dev/badge/skills/aiatelie/ai-atelie/verify-with-playwright/github.svg)](https://agentmods.dev/skills/aiatelie/ai-atelie/verify-with-playwright)
Your own site
<a href="https://agentmods.dev/skills/aiatelie/ai-atelie/verify-with-playwright"><img src="https://agentmods.dev/badge/skills/aiatelie/ai-atelie/verify-with-playwright/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for verify-with-playwright

Your own site · 80×15
<a href="https://agentmods.dev/skills/aiatelie/ai-atelie/verify-with-playwright"><img src="https://agentmods.dev/badge/skills/aiatelie/ai-atelie/verify-with-playwright.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 88 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,518 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00088 $0.03518
Opus 5 $0.00044 $0.01759
Sonnet 5 $0.00018 $0.00704
Haiku 4.5 $0.00009 $0.00352

Measured 12d ago against content hash 0ebd2ae89a6f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade C, and why

verify-with-playwright scanned grade C with 2 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 12d 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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

ls -1t .evidence | tail -n +6 | xargs -I{} rm -rf ".evidence/{}"

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -sSf http://localhost:5173 > /dev/null && echo "up" || echo "down"
.claude/skills/verify-with-playwright/SKILL.md · 223 lines

How it starts

The opening of the file, as written. The whole thing — 223 lines — stays where its author put it; the contents beside it link to each section on GitHub.

verify-with-playwright

A contributor workflow for AI Atelie. Drives the local dev server with @playwright/test (runner mode, not MCP), produces a test-results/<spec>/ folder with video + screenshots + trace, then bundles the relevant files into .evidence/<run>/ for upload to a PR.

This skill is dev-time only. It does not load into adapter sessions spawned by the editor.

When to invoke

  • After implementing any change that touches web/, the iframe canvas, the chat surface, the editor toolbar, or any other user-visible behaviour.
  • When the ship-task orchestrator delegates verification.
  • When the user asks "does it actually work in the browser?" or "show me proof".

Skip when:

  • The change is API-only with no observable surface (use web/tests/test-*.mjs integration tests instead).
  • The change is a doc-only or config-only edit.

Preflight (do this before writing any spec)

  1. Confirm the dev server is up. Run:
    curl -sSf http://localhost:5173 > /dev/null && echo "up" || echo "down"
    
    If down, STOP and tell the user: "Run bun run dev in another terminal, then retry." Do NOT spawn bun run dev from this skill — backgrounded dev servers leak across sessions and will clobber the user's own terminal.
  2. Confirm Playwright is installed. bunx playwright --version should print Version 1.59.x or higher. If not, run bun add -D @playwright/test && bunx playwright install chromium.
  3. Read playwright.config.ts at repo root to confirm the test dir, baseURL, and artifact policy haven't drifted.

Workflow (paste this checklist into your reply and tick as you go)

  • Preflight passed (dev server up, Playwright installed).
  • Acceptance criteria identified. From the issue or the user's task description, list the user-observable properties that must hold. Example for #1 (live preview): "agent text deltas appear in iframe srcdoc within 500ms of arrival; full reload not required".
  • Spec authored. Write web/tests/e2e/<slug>.spec.ts. One scenario per file. Use role-based selectors. Each acceptance criterion → one or more expect(...) calls.
  • Spec runs. bunx playwright test web/tests/e2e/<slug>.spec.ts --reporter=list.
  • Wait for the agent to FULLY COMPLETE before stopping the recording. This is the rule reviewers care about most — see "Evidence must show the post-completion state" below. A capture that ends mid-stream proves nothing.
  • Capture the post-completion state explicitly. A final screenshot AFTER the busy/loading state clears AND the user-visible result is rendered. The reviewer must be able to see what the agent actually produced, not just that it was working.
  • Evidence bundled. Copy test-results/<slug>/video.webm and any *.png into .evidence/<ISO-timestamp>-<slug>/.
  • (Optional) headed run for video review. --headed for clearer screen recordings on visual changes.
  • Cleanup. Prune .evidence/ to keep only the last 5 run folders.
  • Report. Output the absolute paths of evidence artifacts so ship-task (or the user) can attach them to the PR.

Read the full file on GitHub · 223 lines

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. 12d ago First seen · 223 lines · 88 tokens per session scan C 0ebd2ae89a6f

Subscribe to this mod's changes

verify-with-playwright is a skill published in the GitHub repository aiatelie/ai-atelie (8 stars, last pushed 3mo ago), licensed MIT. It adds 88 tokens to every session and 3,518 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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