Browser automation, debugging, and performance analysis using Puppeteer CLI scripts. Use for automating browsers, taking screenshots, analyzing performance, monitoring network traffic, web scraping, form automation, and JavaScript debugging.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Chrome DevTools Agent Skill
Browser automation via executable Puppeteer scripts. All scripts output JSON for easy parsing.
## Quick Start
**CRITICAL**: Always check `pwd` before running scripts.
### Installation
#### Step 1: Install System Dependencies (Linux/WSL only)
On Linux/WSL, Chrome requires system libraries. Install them first:
```bash
pwd # Should show current working directory
cd .claude/skills/chrome-devtools/scripts
./install-deps.sh # Auto-detects OS and installs required libs
```
Supports: Ubuntu, Debian, Fedora, RHEL, CentOS, Arch, Manjaro
**macOS/Windows**: Skip this step (dependencies bundled with Chrome)
#### Step 2: Install Node Dependencies
```bash
npm install # Installs puppeteer, debug, yargs
```
#### Step 3: Install ImageMagick (Optional, Recommended)
ImageMagick enables automatic screenshot compression to keep files under 5MB:
**macOS:**
```bash
brew install imagemagick
```
**Ubuntu/Debian/WSL:**
```bash
sudo apt-get install imagemagick
```
**Verify:**
```bash
magick -version # or: convert -version
```
Without ImageMagick, screenshots >5MB will not be compressed (may fail to load in Gemini/Claude).
### Test
```bash
…
The line at the top of this page pins the label git:20260502.38d5305, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_rslja7qgt2c2mklp
GET https://markdownregistry.com/api/v1/resolve?ref=vodailocz/kilo-kit-mcp/chrome-devtools
GET https://markdownregistry.com/api/v1/blob/1df9c6666632a9f68e8a6cc4500b6f1a51a8892f09c80dc59863eeb48b328b47
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