MCPInstall

playwriter

Control the user's currently open Chrome tab through the Playwriter CLI (no new browser launch). Use when you need to inspect live UI state, run scripted browser actions, capture console output, or reproduce frontend issues directly in the user's tab.

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2.7K
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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/brianlovin/agent-config --skill playwriter
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads playwriter automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Playwriter

Use this skill to drive the user's active Chrome tab via Playwriter.

Full documentation is available here: https://playwriter.dev/

Quick Start

  1. Ensure the Playwriter extension is enabled (green) on the target tab.
  2. Ensure CLI is available:
playwriter --version || npx -y playwriter --version
  1. Create/attach a session:
playwriter session new
  1. Run commands against that session:
playwriter -s 1 -e "console.log(await page.url())"

Core Workflow

  1. Confirm connection and correct tab:
playwriter -s <session> -e "console.log(await page.url()); console.log(await page.title());"
  1. Collect page structure when needed:
playwriter -s <session> -e "console.log(await accessibilitySnapshot({ page }))"
  1. Execute targeted actions (click/type/hover/fetch/evaluate).
  2. Pull logs and structured state via page.evaluate.
  3. Summarize findings with exact IDs, timestamps, and observed state transitions.

Useful Commands

Get list rows/options from current app UI:

playwriter -s <session> -e "const rows = await page.getByRole('option').all(); console.log(rows.length);"

Read popup/hover content:

playwriter -s <session> -e "const row = page.getByRole('option').nth(0); await row.hover(); await page.waitForTimeout(700); console.log(await page.locator('[data-side]').first().innerText());"

Run arbitrary in-page debug code:

playwriter -s <session> -e "const out = await page.evaluate(() => ({ href: location.href })); console.log(out);"

Troubleshooting

  • If the session attaches to the wrong tab, click the extension icon on the intended tab and re-run playwriter session new.
  • If playwriter command is missing, use npx -y playwriter ... or install globally.
  • If execution errors suggest stale connection, create a fresh session.

Guardrails

  • Prefer read-only inspection unless the task requires mutation.
  • Announce destructive UI actions before running them.
  • When capturing logs, redact sensitive tokens/user data in summaries.

FAQ

What does the playwriter skill do?

Control the user's currently open Chrome tab through the Playwriter CLI (no new browser launch). Use when you need to inspect live UI state, run scripted browser actions, capture console output, or reproduce frontend issues directly in the user's tab.

How do I install playwriter?

Run npx skills add https://github.com/brianlovin/agent-config --skill playwriter in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/playwriter/ (personal) or .claude/skills/playwriter/ (project).

Which AI agents can use playwriter?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is playwriter safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains playwriter?

It is published by brianlovin in brianlovin/agent-config. It has 2,681 recorded installs.

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