Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add lttr/claude-marketplace/plugin install browserWrote 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.
[](https://agentmods.dev/skills/lttr/claude-marketplace/playwright-cli)<a href="https://agentmods.dev/skills/lttr/claude-marketplace/playwright-cli"><img src="https://agentmods.dev/badge/skills/lttr/claude-marketplace/playwright-cli/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.
<a href="https://agentmods.dev/skills/lttr/claude-marketplace/playwright-cli"><img src="https://agentmods.dev/badge/skills/lttr/claude-marketplace/playwright-cli.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00019 | $0.03854 |
| Opus 5.5 | $0.00008 | $0.01542 |
| Sonnet 5.5 | $0.00004 | $0.00771 |
| Haiku 4.5 | $0.00002 | $0.00385 |
Grade A, and why
playwright-cli 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 18d 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.
How it starts
The opening of the file, as written. The whole thing — 508 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Browser Automation with playwright-cli
Quick start
# open new browser
playwright-cli open
# navigate to a page
playwright-cli goto https://playwright.dev
# interact with the page using refs from the snapshot
playwright-cli click e15
playwright-cli type "page.click"
playwright-cli press Enter
# take a screenshot (rarely used, as snapshot is more common)
playwright-cli screenshot
# close the browser
playwright-cli close
Commands
Core
playwright-cli open
# open and navigate right away
playwright-cli open https://example.com/
playwright-cli goto https://playwright.dev
playwright-cli type "search query"
playwright-cli click e3
playwright-cli dblclick e7
# --submit presses Enter after filling the element
playwright-cli fill e5 "[email protected]" --submit
playwright-cli drag e2 e8
# drop files or data onto an element (from outside the page)
playwright-cli drop e4 --path=./image.png
playwright-cli drop e4 --data="text/plain=hello world"
playwright-cli hover e4
playwright-cli select e9 "option-value"
playwright-cli upload ./document.pdf
playwright-cli check e12
playwright-cli uncheck e12
playwright-cli snapshot
# search the snapshot for text or a regexp, returns matching nodes with surrounding context
playwright-cli find "Sign in"
playwright-cli find --regex "Sign (in|up)"
# wrap the regexp in slashes to add flags, e.g. /i for case-insensitive
playwright-cli find --regex "/sign (in|up)/i"
playwright-cli eval "document.title"
playwright-cli eval "el => el.textContent" e5
# get element id, class, or any attribute not visible in the snapshot
playwright-cli eval "el => el.id" e5
playwright-cli eval "el => el.getAttribute('data-testid')" e5
playwright-cli dialog-accept
playwright-cli dialog-accept "confirmation text"
playwright-cli dialog-dismiss
playwright-cli resize 1920 1080
playwright-cli close
Navigation
playwright-cli go-back
playwright-cli go-forward
playwright-cli reload
Keyboard
playwright-cli press Enter
playwright-cli press ArrowDown
playwright-cli keydown Shift
playwright-cli keyup Shift
What ships with it
13 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- check.sh 4.4 KB runs code
- fixups.sh 1.8 KB runs code
- plugin-notes.md 3.3 KB
- references/element-attributes.md 665 B
- references/playwright-tests.md 1.7 KB
- references/request-mocking.md 2.1 KB
- references/running-code.md 5.5 KB
- references/session-management.md 5.5 KB
- references/storage-state.md 5.1 KB
- references/test-generation.md 16 KB
- references/tracing.md 3.5 KB
- references/video-recording.md 5.3 KB
- vendor.sh 1.6 KB runs code
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.
- 18d ago Changed · -1 lines 9228b867aaee
- 1mo ago First seen · 509 lines · 19 tokens per session scan A ce1fb192726e
playwright-cli is a skill published in the GitHub repository lttr/claude-marketplace (2 stars, last pushed 14d ago), licensed MIT. It adds 19 tokens to every session and 3,854 once invoked, about $0.0001 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 2026-09-08.
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