a-mart/chrome-cdp
apps/backend/src/swarm/skills/builtins/chrome-cdp/SKILL.md
Interact with local Chrome browser session (only on explicit user approval after being asked to inspect, debug, or interact with a page open in Chrome)
$ install --global
skillsauthnpx skillsauth add a-mart/forge chrome-cdpInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Error
VirusTotalMulti-engine malware detection
70%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Mar 25, 2026, 7:20 PM45.9s2 files scanned
SKILL.md
- name:
- chrome-cdp
- description:
- Comma-separated URL patterns to block (glob-style, e.g. "*mail.google*,*bank*")
- - name:
- CDP_URL_BLOCK
- required:
- false
Chrome CDP
Lightweight Chrome DevTools Protocol CLI. Connects directly to a live local browser session over WebSocket (no Puppeteer dependency).
All commands use node ./scripts/cdp.mjs (path relative to this skill directory).
Prerequisites
- Chrome/Chromium/Brave/Edge/Vivaldi with remote debugging enabled at
chrome://inspect/#remote-debugging - Node.js 22+ (uses built-in
WebSocket) - Optional:
CDP_PORT_FILEifDevToolsActivePortis in a non-standard location
Basic usage
- List tabs:
node ./scripts/cdp.mjs list - Copy a target prefix from list output (for example
6BE827FA). - Use that target in commands below.
<target> is a unique prefix of a tab targetId. If ambiguous, use a longer prefix.
Commands
List open pages
node ./scripts/cdp.mjs list
Screenshot (viewport)
node ./scripts/cdp.mjs shot <target> [file]
Accessibility snapshot
node ./scripts/cdp.mjs snap <target>
HTML extraction
node ./scripts/cdp.mjs html <target> [selector]
- No selector: full page HTML
- With selector: HTML for matching element
Evaluate JavaScript
node ./scripts/cdp.mjs eval <target> <expr>
Navigate
node ./scripts/cdp.mjs nav <target> <url>
Network timing summary
node ./scripts/cdp.mjs net <target>
Click element by selector
node ./scripts/cdp.mjs click <target> <selector>
Click by CSS pixel coordinates
node ./scripts/cdp.mjs clickxy <target> <x> <y>
Type into focused element
node ./scripts/cdp.mjs type <target> <text>
Repeated “load more” clicking
node ./scripts/cdp.mjs loadall <target> <selector> [ms]
Raw CDP method call
node ./scripts/cdp.mjs evalraw <target> <method> [json]
Open new tab
node ./scripts/cdp.mjs open [url]
Stop daemon(s)
node ./scripts/cdp.mjs stop [target]
- No target: stop all daemons
- With target: stop daemon for that tab
Notes
- Chrome may show an "Allow debugging" prompt on first access per tab.
- The script uses per-tab background daemons to keep sessions alive and reduce repeated prompts.
- Daemons auto-exit after inactivity.
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