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+---
+name: bowser
+description: Headless browser automation using Playwright CLI. Use when you need headless browsing, parallel browser sessions, UI testing, screenshots, web scraping, or browser automation that can run in the background. Keywords - playwright, headless, browser, test, screenshot, scrape, parallel.
+allowed-tools: Bash
+---
+
+# Playwright Bowser
+
+## Purpose
+
+Automate browsers using `playwright-cli` — a token-efficient CLI for Playwright. Runs headless by default, supports parallel sessions via named sessions (`-s=`), and doesn't load tool schemas into context.
+
+## Key Details
+
+- **Headless by default** — pass `--headed` to `open` to see the browser
+- **Parallel sessions** — use `-s=<name>` to run multiple independent browser instances
+- **Persistent profiles** — cookies and storage state preserved between calls
+- **Token-efficient** — CLI-based, no accessibility trees or tool schemas in context
+- **Vision mode** (opt-in) — set `PLAYWRIGHT_MCP_CAPS=vision` to receive screenshots as image responses in context instead of just saving to disk
+
+## Sessions
+
+**Always use a named session.** Derive a short, descriptive kebab-case name from the user's prompt. This gives each task a persistent browser profile (cookies, localStorage, history) that accumulates across calls.
+
+```bash
+# Derive session name from prompt context:
+# "test the checkout flow on mystore.com" → -s=mystore-checkout
+# "scrape pricing from competitor.com"    → -s=competitor-pricing
+# "UI test the login page"               → -s=login-ui-test
+
+playwright-cli -s=mystore-checkout open https://mystore.com --persistent
+playwright-cli -s=mystore-checkout snapshot
+playwright-cli -s=mystore-checkout click e12
+```
+
+Managing sessions:
+```bash
+playwright-cli list                                     # list all sessions
+playwright-cli close-all                                # close all sessions
+playwright-cli -s=<name> close                          # close specific session
+playwright-cli -s=<name> delete-data                    # wipe session profile
+```
+
+## Quick Reference
+
+```
+Core:       open [url], goto <url>, click <ref>, fill <ref> <text>, type <text>, snapshot, screenshot [ref], close
+Navigate:   go-back, go-forward, reload
+Keyboard:   press <key>, keydown <key>, keyup <key>
+Mouse:      mousemove <x> <y>, mousedown, mouseup, mousewheel <dx> <dy>
+Tabs:       tab-list, tab-new [url], tab-close [index], tab-select <index>
+Save:       screenshot [ref], pdf, screenshot --filename=f
+Storage:    state-save, state-load, cookie-*, localstorage-*, sessionstorage-*
+Network:    route <pattern>, route-list, unroute, network
+DevTools:   console, run-code <code>, tracing-start/stop, video-start/stop
+Sessions:   -s=<name> <cmd>, list, close-all, kill-all
+Config:     open --headed, open --browser=chrome, resize <w> <h>
+```
+
+## Workflow
+
+1. Derive a session name from the user's prompt and open with `--persistent` to preserve cookies/state. Always set the viewport via env var at launch:
+```bash
+PLAYWRIGHT_MCP_VIEWPORT_SIZE=1440x900 playwright-cli -s=<session-name> open <url> --persistent
+# or headed:
+PLAYWRIGHT_MCP_VIEWPORT_SIZE=1440x900 playwright-cli -s=<session-name> open <url> --persistent --headed
+# or with vision (screenshots returned as image responses in context):
+PLAYWRIGHT_MCP_VIEWPORT_SIZE=1440x900 PLAYWRIGHT_MCP_CAPS=vision playwright-cli -s=<session-name> open <url> --persistent
+```
+
+3. Get element references via snapshot:
+```bash
+playwright-cli snapshot
+```
+
+4. Interact using refs from snapshot:
+```bash
+playwright-cli click <ref>
+playwright-cli fill <ref> "text"
+playwright-cli type "text"
+playwright-cli press Enter
+```
+
+5. Capture results:
+```bash
+playwright-cli screenshot
+playwright-cli screenshot --filename=output.png
+```
+
+6. **Always close the session when done.** This is not optional — close the named session after finishing your task:
+```bash
+playwright-cli -s=<session-name> close
+```
+
+## Configuration
+
+If a `playwright-cli.json` exists in the working directory, use it automatically. If the user provides a path to a config file, use `--config path/to/config.json`. Otherwise, skip configuration — the env var and CLI defaults are sufficient.
+
+```json
+{
+  "browser": {
+    "browserName": "chromium",
+    "launchOptions": { "headless": true },
+    "contextOptions": { "viewport": { "width": 1440, "height": 900 } }
+  },
+  "outputDir": "./screenshots"
+}
+```
+
+## Full Help
+
+Run `playwright-cli --help` or `playwright-cli --help <command>` for detailed command usage.
+
+See [docs/playwright-cli.md](docs/playwright-cli.md) for full documentation.