Playwright DevSAFE
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
Overview
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
4fa84dafd0e0OBSERVED · 2026-10-20What it tells the agent
The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.
--- name: playwright-dev description: Explains how to develop Playwright - add APIs, MCP tools, CLI commands, and vendor dependencies. --- # Playwright Development Guide See [AGENTS.md](../../../AGENTS.md) for monorepo structure, build/test/lint commands, and coding conventions. ## Detailed Guides - [Library Architecture](library.md) — client/server/dispatcher structure, protocol layer, DEPS rules - [Adding and Modifying APIs](api.md) — define API docs, implement client/server, add tests - [MCP Tools and CLI Commands](tools.md) — add MCP tools, CLI commands, config options - [Vendor Dependencies & Bundling](vendor.md) — utilsBundle, coreBundle, babelBundle; adding vendored npm packages; DEPS.list; `check_deps` - [Updating WebKit Safari Version](webkit-safari-version.md) — update the Safari version string in the WebKit user-agent - [WebView (iOS Safari) Backend](webview.md) — `webkit/webview/` against stock Mobile Safari; provisional-target pause/resume; what's upstream vs Playwright patches; local + CI test setup - [Bisecting Across Published Versions](bisect-published-versions.md) — reproduce regressions side-by-side from npm and diff `node_modules/playwright/lib/` between versions - [Dashboard](dashboard.md) - the UI powering the "playwright cli show" command, and how to work on it
Trust audit
SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | NA |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- none-observed
- Shell
- none-observed
- Dependencies
- pinned
- Secrets in source
- none-found
Findings (0)
No findings outside the package's declared scope.
Gates applied: no_behavioural_pass.
4fa84dafd0e0full audit observations/trust-audit/skill/microsoft__playwright-dev.json · Report an issue / request a re-scanAudit history
Every audit this skill has had.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-20 | 4fa84dafd0e0 | SAFE | B | 89 | first audit |
Questions
What does the playwright-dev — microsoft/playwright skill do?
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
Is playwright-dev — microsoft/playwright safe to install?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean skill reads B.
What can playwright-dev — microsoft/playwright access on my machine?
The audit observed no filesystem, network or shell use at all in its source.
How current is this page?
The grade is for one exact copy of the source (4fa84dafd0e0), read on 2026-10-20. The repository is watched, and a new audit runs when it changes — this is the first audit.
Add this badge to your README
Shows this page's audit result and links back to it. It updates when the audit does.
[](https://modelsatlas.com/skills/microsoft/playwright-dev/)
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