playwright

playwright is a skill for Claude Code, Codex from OpenKnots/okcode. It costs 11 tokens per session (417 once invoked), scanned A, original, MIT.

A skill for controlling real web browsers from the terminal using Playwright. It supports scripted navigation, form actions, screenshots, page checks, and end-to-end tests, which test a complete user flow through an application.

In plain words
What is it for?
Use it to automate browser interactions, verify web interfaces, write regression tests, inspect pages, and debug failures with URLs, selectors, screenshots, and assertion results.
Why use it?
It makes browser checks repeatable and gives useful evidence when a page or user flow fails. It focuses tests on behavior users can observe instead of fragile styling details.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to automate browser interactions, verify web interfaces, write regression tests, inspect pages, and debug failures with URLs, selectors, screenshots, and assertion results.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/openknots/okcode/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 OpenKnots/okcode --skill playwright
Clone the repo
git clone --depth 1 https://github.com/OpenKnots/okcode

Made for: Claude Code, Codex.

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 playwright

README.md
[![agentmods](https://agentmods.dev/badge/skills/openknots/okcode/playwright/github.svg)](https://agentmods.dev/skills/openknots/okcode/playwright)
Your own site
<a href="https://agentmods.dev/skills/openknots/okcode/playwright"><img src="https://agentmods.dev/badge/skills/openknots/okcode/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 playwright

Your own site · 80×15
<a href="https://agentmods.dev/skills/openknots/okcode/playwright"><img src="https://agentmods.dev/badge/skills/openknots/okcode/playwright.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 11 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 417 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 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 $0.00011 $0.00417
Opus 5.5 $0.00004 $0.00167
Sonnet 5.5 $0.00002 $0.00083
Haiku 4.5 $0.00001 $0.00042

Measured 1mo ago against content hash 6e0e017d388a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

playwright scanned grade A with 0 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 1mo 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

packages/shared/src/skills-catalog/recommended/playwright/SKILL.md · 50 lines

What it actually says

Playwright Skill

When to use this skill

  • Use when the task needs browser automation, UI verification, end-to-end testing, or scripted web interactions.
  • Use when the user needs reproducible validation of browser behavior rather than manual spot-checking.
  • Use when screenshots, DOM assertions, navigation flows, or form automation are part of the task.
  • Use when the user wants a reliable browser-based regression check from the terminal.

What this skill does

  • Designs Playwright workflows that are deterministic, inspectable, and resilient to minor UI changes.
  • Prefers stable selectors and event-driven waits over brittle timing assumptions.
  • Captures actionable failure context such as URLs, selectors, screenshots, and expectation mismatches.
  • Keeps test intent focused on behavior, not incidental implementation details.

Implementation

  • Clarify whether the goal is one-off browser automation, a reusable test, or a debugging workflow.
  • Prefer semantic selectors and stable locators over deep CSS selectors tied to styling structure.
  • Use assertions that reflect user-observable behavior rather than implementation accidents.
  • Prefer waits based on navigation, visible UI state, or network/DOM readiness rather than arbitrary sleep intervals.
  • If the task is exploratory, keep scripts short and focused on reproducing the target behavior.
  • If the task is test authoring, structure steps and assertions so failures are easy to diagnose.
  • Capture enough context on failure for a human to reproduce and fix the issue quickly.

Best practices

  • Avoid timing-based waits unless no stronger signal exists.
  • Keep selectors robust and understandable.
  • Prefer behavior-level assertions over snapshotting everything.
  • Include screenshots or other evidence when reporting a browser failure.
  • Keep scripts and tests maintainable; do not overfit to current DOM noise.
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. 1mo ago First seen · 50 lines · 11 tokens per session scan A 6e0e017d388a

Subscribe to this mod's changes

playwright is a skill published in the GitHub repository OpenKnots/okcode (24 stars, last pushed 5mo ago), licensed MIT. It adds 11 tokens to every session and 417 once invoked, about $0.0000 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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