Local first
Runs on your machine
The bootstrapper picks a compatible Python 3.12+ runtime, downloads the diagnostic script, and hands off locally through your terminal.
Claude Code diagnostics
claude-diag
A local-first diagnostic report for Claude Code support. Run one command, review the redacted Markdown output, and share only when you choose.
curl -fsSL https://sh.cdiag.link | bash Python 3.12+ selected automatically
Secrets scrubbed before output
Optional PasteMyst publishing
claude-diag
$curl -fsSL https://sh.cdiag.link | bash
claude-diag
Redacted Claude Code diagnostics for sharing and support.
This will choose Python 3.12+, download the script, and redact before output.
Using Python: /opt/homebrew/bin/python3.14 (3.14.0)
...
Redacted by default
Scrubs before output
Secrets, emails, hostnames, public IPs, and user paths are redacted before the Markdown report is saved, printed, or shared.
Open source
Auditable flow
The script and installer live in the public repository, so support teams and users can inspect exactly what the diagnostic collects.
Optional sharing
PasteMyst publishing
Generated reports can stay local, print to stdout, or publish as an anonymous expiring PasteMyst link when the user confirms it.