devattom/browser-download
agents-global/browser-download/SKILL.md
Download files from authenticated web sessions. Use when the browser tool cannot directly download files (attachments, exports) and you need to use cookies with curl.
tools
Updated Apr 4, 2026
$ install --global
skillsauthnpx skillsauth add devattom/.claude browser-downloadInstall 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%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 4, 2026, 5:10 PM8.7s1 file scanned
SKILL.md
- name:
- browser-download
- description:
- Download files from authenticated web sessions. Use when the browser tool cannot directly download files (attachments, exports) and you need to use cookies with curl.
Browser Download Workaround
The browser tool doesn't support direct file downloads. Use this workaround to download files from authenticated sessions.
Method
- Extract cookies from the browser session
- Use curl with those cookies to download
Step 1: Extract Cookies
// In browser act → evaluate
document.cookie
Step 2: Download with curl
curl -L -b "cookie1=value1; cookie2=value2" -o /path/to/output.file "https://url/to/download"
Gmail Attachment Example
# 1. Get cookies from Gmail session
# browser act → evaluate → document.cookie
# 2. Download attachment
curl -L \
-b "GMAIL_AT=xxx; SID=yyy; HSID=zzz" \
-o ~/Downloads/attachment.pdf \
"https://mail.google.com/mail/u/0?ui=2&ik=xxx&attid=0.1&disp=safe&realattid=xxx&zw"
Google Drive Example
curl -L \
-b "SID=xxx; HSID=yyy" \
-o ~/Downloads/file.pdf \
"https://drive.google.com/uc?export=download&id=FILE_ID"
Tips
- Use
-Lto follow redirects - Use
-oto specify output filename - Some sites require additional headers:
-H "User-Agent: Mozilla/5.0..." - For large files, add
--progress-barto see download progress
Alternative: Browser Screenshot/Print
For documents that can't be downloaded:
- Navigate to the document in browser
- Use
browser screenshot --fullPageto capture - Or use
browser pdfto save as PDF (if supported)
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